{"id":4769,"date":"2025-09-29T10:37:05","date_gmt":"2025-09-29T10:37:05","guid":{"rendered":"https:\/\/icobench.com\/cz\/?page_id=4769"},"modified":"2025-12-15T10:13:21","modified_gmt":"2025-12-15T10:13:21","slug":"co-je-blockchain","status":"publish","type":"page","link":"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/","title":{"rendered":"Co je blockchain? Kompletn\u00ed pr\u016fvodce pro za\u010d\u00e1te\u010dn\u00edky 2026"},"content":{"rendered":"<p>Blockchain je jednou z nejinovativn\u011bj\u0161\u00edch technologi\u00ed tohoto stolet\u00ed. V tomto \u010dl\u00e1nku zjist\u00edte, co je blockchain, jak funguje a kdy vznikl. <strong>Prozkoum\u00e1me z\u00e1klady decentralizovan\u00e9 datab\u00e1ze, blockchainov\u00e9 technologie a souvisej\u00edc\u00ed pojmy (blockchain explorer, krypto pen\u011b\u017eenka, v\u00fdb\u011br pen\u011bz z blockchainu apod.)<\/strong>. Text je ur\u010den\u00fd hlavn\u011b pro za\u010d\u00e1te\u010dn\u00edky v tomto sektoru, ale p\u0159edstav\u00edme v\u00e1m i v\u00edce technick\u00e9 detaily a trendy.<\/p>\n<div>\n    <section class=\"toc-sticky w-100 bg-white \">\n        <div class=\"toc-sticky__container container\">\n            <div class=\"toc-sticky__open d-flex align-items-end\" data-bs-toggle=\"collapse\" aria-controls=\"multiCollapse1\" data-bs-target=\"#multiCollapse1\">\n                <button class=\"btn btn-primary collapse-action-btn p-1 rounded-circle\" type=\"button\">\n                    <i class=\"icon-chevron-up\"><\/i>\n                <\/button>\n                <span id=\"toc-current-title\" class=\"d-flex align-items-center\">\n                    Table of Contents\n                <\/span>\n                <span class=\"toc-main-title-permanent\">Table of Contents<\/span>\n            <\/div>\n            <div class=\"collapse my-3\" id=\"multiCollapse1\">\n                <ol class=\"StepProgress\">\n                                                                        <li class=\"StepProgress-item current\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"zaklady_blockchainu\" onclick='handleScrollToTitle(\"zaklady_blockchainu\")' class=\"StepProgress-item__link\" data-level=\"2\">Z\u00e1klady blockchainu<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"historie_blockchainu_kde_se_vzal\" onclick='handleScrollToTitle(\"historie_blockchainu_kde_se_vzal\")' class=\"StepProgress-item__link\" data-level=\"2\">Historie blockchainu \u2013 kde se vzal?<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"jak_funguje_blockchain\" onclick='handleScrollToTitle(\"jak_funguje_blockchain\")' class=\"StepProgress-item__link\" data-level=\"2\">Jak funguje blockchain<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"blockchain_a_kryptomeny_jak_spolu_souvisi\" onclick='handleScrollToTitle(\"blockchain_a_kryptomeny_jak_spolu_souvisi\")' class=\"StepProgress-item__link\" data-level=\"2\">Blockchain a kryptom\u011bny \u2013 jak spolu souvis\u00ed?<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"nejzajimavejsi_kryptomeny_ktere_nyni_lze_najit_na_blockchainu\" onclick='handleScrollToTitle(\"nejzajimavejsi_kryptomeny_ktere_nyni_lze_najit_na_blockchainu\")' class=\"StepProgress-item__link\" data-level=\"2\">Nejzaj\u00edmav\u011bj\u0161\u00ed kryptom\u011bny, kter\u00e9 nyn\u00ed lze naj\u00edt na blockchainu<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"co_je_krypto_penezenka\" onclick='handleScrollToTitle(\"co_je_krypto_penezenka\")' class=\"StepProgress-item__link\" data-level=\"2\">Co je krypto pen\u011b\u017eenka?<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"blockchain_explorer\" onclick='handleScrollToTitle(\"blockchain_explorer\")' class=\"StepProgress-item__link\" data-level=\"2\">Blockchain explorer<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                    <li class=\"StepProgress-item subList-in-progress \">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"jak_vybrat_penize_z_blockchainu\" onclick='handleScrollToTitle(\"jak_vybrat_penize_z_blockchainu\")' class=\"StepProgress-item__link\" data-level=\"2\">Jak vybrat pen\u00edze z blockchainu<\/a>\n                                                            <button class=\"StepProgress-item__arrow collapse-action-btn\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#TOC1sublist-jak_vybrat_penize_z_blockchainu\" aria-controls=\"sublist-jak_vybrat_penize_z_blockchainu\">\n                                    <i class=\"icon-chevron-down\"><\/i>\n                                <\/button>\n                                                    <\/div>\n                                                    <ol class=\"StepProgress-sub-list collapse\" id=\"TOC1sublist-jak_vybrat_penize_z_blockchainu\">\n                                                                    <li class=\"StepProgress-sub-item\">\n                    <span>\n                      <a data-id=\"na_co_si_dat_pozor_poplatky_limity_bezpecnost\" onclick='handleScrollToTitle(\"na_co_si_dat_pozor_poplatky_limity_bezpecnost\")' class=\"StepProgress-item__link\" data-level=\"3\">Na co si d\u00e1t pozor (poplatky, limity, bezpe\u010dnost)<\/a>\n                    <\/span>\n                                    <\/li>\n                                                            <\/ol>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"blockchain_jako_investice\" onclick='handleScrollToTitle(\"blockchain_jako_investice\")' class=\"StepProgress-item__link\" data-level=\"2\">Blockchain jako investice<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"blockchain_a_dane\" onclick='handleScrollToTitle(\"blockchain_a_dane\")' class=\"StepProgress-item__link\" data-level=\"2\">Blockchain a dan\u011b<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"budoucnost_blockchainu\" onclick='handleScrollToTitle(\"budoucnost_blockchainu\")' class=\"StepProgress-item__link\" data-level=\"2\">Budoucnost blockchainu<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"zaver\" onclick='handleScrollToTitle(\"zaver\")' class=\"StepProgress-item__link\" data-level=\"2\">Z\u00e1v\u011br<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"casto_kladene_otazky\" onclick='handleScrollToTitle(\"casto_kladene_otazky\")' class=\"StepProgress-item__link\" data-level=\"2\">\u010casto kladen\u00e9 ot\u00e1zky<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"souvisejici_clanky\" onclick='handleScrollToTitle(\"souvisejici_clanky\")' class=\"StepProgress-item__link\" data-level=\"2\">Souvisej\u00edc\u00ed \u010dl\u00e1nky<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                    <\/ol>\n                <div class=\"toc-sticky__container__disperse\"><\/div>\n                <div class=\"toc-sticky__btn-top justify-content-center\">\n                    <button class=\"btn btn-link d-flex align-items-center\" onclick=\"{btnTop()}\"><p>Show Full Guide<\/p><img decoding=\"async\" src=\"\/wp-content\/plugins\/table-of-contents\/assets\/images\/arrow-up-circle.svg\" alt=\"arrow-up-circle\">\n                    <\/button>\n                <\/div>\n            <\/div>\n        <\/div>\n    <\/section>\n    <div class=\"toc-sticky-list\">\n        <div class=\"toc-sticky__container container\">\n            <div class=\"toc-sticky__open d-flex align-items-end\" data-bs-toggle=\"collapse\" aria-controls=\"multiCollapse2\" data-bs-target=\"#multiCollapse2\">\n                <button class=\"btn btn-primary collapse-action-btn p-1 rounded-circle\" type=\"button\">\n                    <i class=\"icon-chevron-up up\"><\/i>\n                <\/button>\n                <span id=\"toc-current-title\" class=\"d-flex align-items-center\">\n                    Table of Contents\n                <\/span>\n            <\/div>\n            <div class=\"collapse my-3\" id=\"multiCollapse2\">\n                <ol class=\"StepProgress\">\n                    \t\t\t\t\t \t\t\t\t\t                                                     <li class=\"StepProgress-item current \">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"zaklady_blockchainu\" onclick='handleScrollToTitle(\"zaklady_blockchainu\")' class=\"StepProgress-item__link\" data-level=\"2\">Z\u00e1klady blockchainu<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t                                                     <li class=\"StepProgress-item \">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"historie_blockchainu_kde_se_vzal\" onclick='handleScrollToTitle(\"historie_blockchainu_kde_se_vzal\")' class=\"StepProgress-item__link\" data-level=\"2\">Historie blockchainu \u2013 kde se vzal?<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t                                                     <li class=\"StepProgress-item \">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"jak_funguje_blockchain\" onclick='handleScrollToTitle(\"jak_funguje_blockchain\")' class=\"StepProgress-item__link\" data-level=\"2\">Jak funguje blockchain<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t\n\t\t\t\t\t\t <span class=\"show_moretoc\">Show Full Guide<\/span>\n\t\t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                                                      <li class=\"StepProgress-item ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"blockchain_a_kryptomeny_jak_spolu_souvisi\" onclick='handleScrollToTitle(\"blockchain_a_kryptomeny_jak_spolu_souvisi\")' class=\"StepProgress-item__link\" data-level=\"2\">Blockchain a kryptom\u011bny \u2013 jak spolu souvis\u00ed?<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                                                      <li class=\"StepProgress-item ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"nejzajimavejsi_kryptomeny_ktere_nyni_lze_najit_na_blockchainu\" onclick='handleScrollToTitle(\"nejzajimavejsi_kryptomeny_ktere_nyni_lze_najit_na_blockchainu\")' class=\"StepProgress-item__link\" data-level=\"2\">Nejzaj\u00edmav\u011bj\u0161\u00ed kryptom\u011bny, kter\u00e9 nyn\u00ed lze naj\u00edt na blockchainu<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                                                      <li class=\"StepProgress-item ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"co_je_krypto_penezenka\" onclick='handleScrollToTitle(\"co_je_krypto_penezenka\")' class=\"StepProgress-item__link\" data-level=\"2\">Co je krypto pen\u011b\u017eenka?<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                                                      <li class=\"StepProgress-item ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"blockchain_explorer\" onclick='handleScrollToTitle(\"blockchain_explorer\")' class=\"StepProgress-item__link\" data-level=\"2\">Blockchain explorer<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                          \t\t\t\t\t\t\n                        <li class=\"StepProgress-item subList-in-progress  ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"jak_vybrat_penize_z_blockchainu\" onclick='handleScrollToTitle(\"jak_vybrat_penize_z_blockchainu\")' class=\"StepProgress-item__link\" data-level=\"2\">Jak vybrat pen\u00edze z blockchainu<\/a>\n                                                                    <button class=\"StepProgress-item__arrow collapse-action-btn\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#sublist-jak_vybrat_penize_z_blockchainu\" aria-controls=\"sublist-jak_vybrat_penize_z_blockchainu\">\n                                        <i class=\"icon-chevron-down\"><\/i>\n                                    <\/button>\n                                                            <\/div>\n                                                            <ol class=\"StepProgress-sub-list collapse\" id=\"sublist-jak_vybrat_penize_z_blockchainu\">\n                                                                            <li class=\"StepProgress-sub-item\">\n                    <span>\n                      <a data-id=\"na_co_si_dat_pozor_poplatky_limity_bezpecnost\" onclick='handleScrollToTitle(\"na_co_si_dat_pozor_poplatky_limity_bezpecnost\")' class=\"StepProgress-item__link\" data-level=\"3\">Na co si d\u00e1t pozor (poplatky, limity, bezpe\u010dnost)<\/a>\n                    <\/span>\n                                        <\/li>\n                                                                    <\/ol>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                                                      <li class=\"StepProgress-item ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"blockchain_jako_investice\" onclick='handleScrollToTitle(\"blockchain_jako_investice\")' class=\"StepProgress-item__link\" data-level=\"2\">Blockchain jako investice<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                                                      <li class=\"StepProgress-item ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"blockchain_a_dane\" onclick='handleScrollToTitle(\"blockchain_a_dane\")' class=\"StepProgress-item__link\" data-level=\"2\">Blockchain a dan\u011b<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                                                      <li class=\"StepProgress-item ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"budoucnost_blockchainu\" onclick='handleScrollToTitle(\"budoucnost_blockchainu\")' class=\"StepProgress-item__link\" data-level=\"2\">Budoucnost blockchainu<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                                                      <li class=\"StepProgress-item ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"zaver\" onclick='handleScrollToTitle(\"zaver\")' class=\"StepProgress-item__link\" data-level=\"2\">Z\u00e1v\u011br<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                                                      <li class=\"StepProgress-item ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"casto_kladene_otazky\" onclick='handleScrollToTitle(\"casto_kladene_otazky\")' class=\"StepProgress-item__link\" data-level=\"2\">\u010casto kladen\u00e9 ot\u00e1zky<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                                                      <li class=\"StepProgress-item ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"souvisejici_clanky\" onclick='handleScrollToTitle(\"souvisejici_clanky\")' class=\"StepProgress-item__link\" data-level=\"2\">Souvisej\u00edc\u00ed \u010dl\u00e1nky<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                                    <\/ol>\n            <\/div>\n            <div class=\"toc-sticky__container__disperse\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<script id=\"toc-js\">\n    window.addEventListener(\"DOMContentLoaded\", () => {\n        const header = document.querySelector(\".site-header\");\n\n        const pageLegend = document.querySelector('#multiCollapse1');\n        const pageLegendList = document.querySelector('#multiCollapse2');\n        const pageLegendCollapse = new bootstrap.Collapse(pageLegend, {toggle: document.querySelector(\".toc-sticky\").classList.contains('sticky')});\n\n        \/**\n         * Changing current title\n         *\/\n        (function (pageLegend) {\n            const titleNodes = pageLegend.querySelectorAll('.StepProgress-item__link');\n\n            if (!titleNodes.length) return;\n\n            const titles = [...titleNodes].map((itm, i) => ({\n                id: itm.getAttribute('data-id'),\n                text: itm.textContent,\n                level: itm.getAttribute('data-level'),\n                linkNode: itm,\n                titleNode: document.getElementById(itm.getAttribute('data-id')),\n                index: i,\n            }));\n\n            \/**\n             * Source: https:\/\/www.sitepoint.com\/throttle-scroll-events\/\n             * @param {Function} fn\n             * @param {number} wait\n             * @returns {(function(): void)|*}\n             *\/\n            const throttle = (fn, wait) => {\n                let time = Date.now();\n                return function () {\n                    if ((time + wait - Date.now()) < 0) {\n                        fn();\n                        time = Date.now();\n                    }\n                }\n            }\n\n            const changeCurrentTitle = () => {\n                const documentScrollTop = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0;\n                let current = 0;\n\n                \/\/ Title\n                titles.forEach((itm, i) => {\n\t\t\t\t\/\/console.log(itm)\n                    const itmOffsetTop = itm.titleNode ? itm.titleNode.offsetTop - 100 : 0;\n\n                    if (documentScrollTop >= itmOffsetTop) {\n                        document.getElementById('toc-current-title').innerHTML = itm.text;\n                        document.getElementById('toc-current-title').setAttribute('data-current-id', itm.id);\n                        document.getElementById('toc-current-title').setAttribute('data-current-level', itm.level);\n                        current = i;\n                    }\n                })\n\n                \/\/ close all list and open sub list if needed\n                if (document.querySelector(\".toc-sticky\").classList.contains('sticky')) {\n                    document.querySelectorAll('.subList-in-progress').forEach((el) => {\n                        el.children[1].classList.remove('show');\n                        el.getElementsByClassName('icon-chevron-down')[0].classList.remove('up');\n                    });\n                    const currentEl = titles[current];\n                    currentEl.linkNode.classList.add('show');\n                }\n\n                titles.forEach((itm, i) => {\n                    itm.linkNode.parentNode.parentNode.classList.remove('current', 'is-done');\n                    if (current > i) {\n                        itm.linkNode.parentNode.parentNode.classList.add('is-done')\n                    };\n                    if (current === i) {\n                      itm.linkNode.parentNode.parentNode.classList.add('current');\n                    };\n                })\n\n            }\n\n            changeCurrentTitle();\n\n            document.addEventListener('scroll', throttle(changeCurrentTitle, 50));\n        })(pageLegend);\n\n\n        \/**\n         *  Collapse\n         *\/\n        (function (pageLegend, header) {\n            const icon = pageLegend.parentNode.querySelector(\".collapse-action-btn i\");\n\n            const collapseToggle = (status) => (e) => {\n                if (!e.target.isEqualNode(pageLegend)) return;\n\n                icon.classList.toggle(\"up\");\n\n                const containerHeight = pageLegend.getBoundingClientRect().height;\n\n                const showSubtitleContent = () => {\n                    const currentId = document.getElementById('toc-current-title').getAttribute('data-current-id');\n                    const currentLevel = document.getElementById('toc-current-title').getAttribute('data-current-level');\n                    const currentSubTitle = currentLevel == 3 ? document.querySelector(`a[data-id=\"${currentId}\"]`).parentNode.parentNode.parentNode : false;\n\n                    if (!currentSubTitle) return;\n                    new bootstrap.Collapse(currentSubTitle, {toggle: false}).show();\n                }\n\n                showSubtitleContent();\n\t\t\t\t\/\/console.log(status+'fdsfsd'+containerHeight);\n                if (status === 'shown' && document.querySelector(\".toc-sticky\").classList.contains('sticky') ) {\n                    document.querySelector('html').classList.remove('overflow-hidden');\n                    pageLegend.classList.add('overflow-auto');\n                    pageLegend.style.height = `calc(100vh - ${header.getBoundingClientRect().height + document.querySelector('.toc-sticky__open').getBoundingClientRect().height + 16}px)`;\n                } else if (status === 'hide') {\n                    document.querySelector('html').classList.remove('overflow-hidden');\n                    pageLegend.classList.remove('overflow-auto');\n                    pageLegend.style.height = 'auto';\n                }\n            }\n\n            pageLegend.addEventListener('shown.bs.collapse', collapseToggle('shown'));\n            pageLegend.addEventListener('hide.bs.collapse', collapseToggle('hide'));\n        })(pageLegend, header);\n\n        \/**\n         * Collapse sub-titles\n         *\/\n        (function (pageLegend) {\n            const collapseEls = pageLegend.querySelectorAll('.collapse');\n\n            collapseEls.forEach(function (el) {\n\n                const toggleArrowDirection = function (e) {\n                    if (!e.target.isEqualNode(el)) return;\n\n                    const id = this.getAttribute('id');\n                    document.querySelector(`.collapse-action-btn[data-bs-target=\"#${id}\"] .icon-chevron-down`).classList.toggle('up');\n                }\n                el.addEventListener('shown.bs.collapse', toggleArrowDirection);\n                el.addEventListener('hide.bs.collapse', toggleArrowDirection);\n            })\n        })(pageLegend);\n\n        \/**\n         *  Collapse main title\n         *\/\n        (function (pageLegendList) {\n            const icon = pageLegendList.parentNode.querySelector(\".collapse-action-btn i\");\n\n            const collapseToggle = () => (e) => {\n                if (!e.target.isEqualNode(pageLegendList)) return;\n\n                icon.classList.toggle(\"up\");\n\n            }\n            pageLegendList.addEventListener('shown.bs.collapse', collapseToggle());\n            pageLegendList.addEventListener('hide.bs.collapse', collapseToggle());\n        })(pageLegendList);\n\n        (function (pageLegendList) {\n            const collapseEls = pageLegendList.querySelectorAll('.collapse');\n\n            collapseEls.forEach(function (el) {\n\n                const toggleArrowDirection = function (e) {\n                    if (!e.target.isEqualNode(el)) return;\n\n                    const id = this.getAttribute('id');\n                    document.querySelector(`.toc-sticky-list .collapse-action-btn[data-bs-target=\"#${id}\"] .icon-chevron-down`).classList.toggle('up');\n                }\n                el.addEventListener('shown.bs.collapse', toggleArrowDirection);\n                el.addEventListener('hide.bs.collapse', toggleArrowDirection);\n            })\n        })(pageLegendList);\n\n        \/**\n         * Sticky functionality\n         * Source: https:\/\/stackoverflow.com\/questions\/17893771\/javascript-sticky-div-after-scroll\n         *\/\n        (function (header, pageLegendCollapse) {\n            \/\/ set everything outside the onscroll event (less work per scroll)\n            const target = document.querySelector(\".toc-sticky\");\n            const targetListStatic = document.querySelector(\".toc-sticky-list\");\n\n            if (!target || !header) return;\n\n            const headerHeight = header.getBoundingClientRect().height;\n            const targetHeight = targetListStatic.getBoundingClientRect().height;\n\n            \/\/ -headerHeight so it won't be jumpy\n            const stop = targetListStatic.offsetTop + headerHeight + targetHeight;\n            const docBody =\n                document.documentElement || document.body.parentNode || document.body;\n            const hasOffset = window.pageYOffset !== undefined;\n\n            const applySticky = function () {\n                \/\/ cross-browser compatible scrollTop.\n                const scrollTop = hasOffset ? window.pageYOffset : docBody.scrollTop;\n\n                \/\/ if user scrolls to headerHeight from the top of the target div\n                if (scrollTop >= stop) {\n                    pageLegendCollapse.hide();\n                    \/\/ stick the div\n                    target.classList.add(\"sticky\");\n                    \/\/target.style.marginTop = `${headerHeight}px`;\n                } else {\n                    pageLegendCollapse.show();\n                    \/\/ release the div\n                    target.classList.remove(\"sticky\");\n                    target.style.marginTop = \"\";\n                }\n            }\n\n            applySticky();\n\n            window.addEventListener('scroll', applySticky);\n        })(header, pageLegendCollapse);\n\tjQuery('span.show_moretoc').click(function(){\n\t\tjQuery('span.show_moretoc').hide();\n\t   jQuery('.ms_hidetoc').show();\n\t});\n    });\n\n    \/\/ When the user clicks on the button, scroll to the top of the document\n    function btnTop() {\n        const pageLegend = document.querySelector('#multiCollapse1');\n        document.querySelector('html').classList.remove('overflow-hidden');\n        pageLegend.classList.remove('overflow-auto');\n        pageLegend.style.height = 'auto';\n        window.scrollTo({\n            top: 0,\n            behavior: 'smooth'\n        });\n    }\n\n    const handleScrollToTitle = (id) => {\n        const el = document.getElementById(id);\n        const headerHeightDifference = window.innerWidth < 992 ? -30 : -15;\n        window.scrollTo({\n            top: el.offsetTop - 60 - headerHeightDifference - 10,\n        });\n    }\n<\/script>\n\n<h2><span id=\"zaklady_blockchainu\">Z\u00e1klady blockchainu<\/span><\/h2>\n<p>Pokud se pt\u00e1te, co to je blockchain, m\u00e1me pro v\u00e1s odpov\u011b\u010f.<strong> Je to decentralizovan\u00e1 datab\u00e1ze bez centr\u00e1ln\u00ed autority<\/strong>. Z\u00e1znamy, nap\u0159\u00edklad transakce <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/\" target=\"_blank\" rel=\"noopener\">kryptom\u011bn<\/a>, se skl\u00e1daj\u00ed do blok\u016f. Bloky na sebe navazuj\u00ed a tvo\u0159\u00ed \u0159et\u011bzec. Transakce se ulo\u017e\u00ed a\u017e po potvrzen\u00ed v\u011bt\u0161inou uzl\u016f v s\u00edti a t\u00edm z\u00edsk\u00e1 blok kolektivn\u00ed ov\u011b\u0159en\u00ed a st\u00e1v\u00e1 se nem\u011bnn\u00fdm. Zp\u011btn\u00e9 \u00fapravy by toti\u017e rozbily vazby mezi bloky, a proto jsou v praxi t\u00e9m\u011b\u0159 nemo\u017en\u00e9.\u00a0Co blockchain nab\u00edz\u00ed?<\/p>\n<figure id=\"attachment_4789\" aria-describedby=\"caption-attachment-4789\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-4789 size-large\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Co-je-blockchain-1024x629.png\" alt=\"Co je blockchain\" width=\"750\" height=\"461\" srcset=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Co-je-blockchain-1024x629.png 1024w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Co-je-blockchain-300x184.png 300w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Co-je-blockchain-768x471.png 768w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Co-je-blockchain.png 1292w\" sizes=\"(max-width: 750px) 100vw, 750px\"><figcaption id=\"caption-attachment-4789\" class=\"wp-caption-text\">Blockchain je z\u00e1klad v\u0161ech kryptom\u011bn. Zdroj: investopedia.com<\/figcaption><\/figure>\n<ul>\n<li><strong>Decentralizovan\u00e1 peer-to-peer s\u00ed\u0165 \u2013 <\/strong>Ka\u017ed\u00fd uzel dr\u017e\u00ed kompletn\u00ed kopii datab\u00e1ze. V\u00fdpadek jednoho stroje proto \u017e\u00e1dn\u00e1 data neohroz\u00ed. Ostatn\u00ed uzly toti\u017e b\u011b\u017e\u00ed d\u00e1l a kopii dopln\u00ed. S\u00ed\u0165 tak nem\u00e1 jedin\u00fd bod selh\u00e1n\u00ed a uzly se pr\u016fb\u011b\u017en\u011b synchronizuj\u00ed a porovn\u00e1vaj\u00ed verze. T\u00edm udr\u017euj\u00ed jeden spole\u010dn\u00fd stav, kter\u00e9mu lze v\u011b\u0159it bez nutnosti prost\u0159edn\u00edka. D\u00edky \u0161\u00ed\u0159en\u00ed blok\u016f je obnova po v\u00fdpadku rychl\u00e1 a s\u00ed\u0165 si udr\u017euje vysokou dostupnost i stabilitu.<\/li>\n<li><strong>Transparentnost dat \u2013 <\/strong>Ve\u0159ejn\u00fd z\u00e1znam umo\u017en\u00ed komukoli kontrolu vybran\u00fdch transakc\u00ed. Stav adresy a historii p\u0159evod\u016f ov\u011b\u0159\u00edte b\u011bhem chvilky. Slou\u017e\u00ed k tomu prohl\u00ed\u017eec\u00ed n\u00e1stroj tzv. blockchain explorer. Ten v\u00e1m uk\u00e1\u017ee posledn\u00ed bloky, detaily transakc\u00ed i poplatky. D\u00edky tomu lze ve\u0161ker\u00e9 platby snadno auditovat. Transparentnost zvy\u0161uje d\u016fv\u011bru i bezpe\u010dnost u\u017eivatel\u016f, proto\u017ee si i za\u010d\u00e1te\u010dn\u00edk snadno ov\u011b\u0159\u00ed p\u0159\u00edchoz\u00ed platbu, ani\u017e by spol\u00e9hal na support burzy nebo zprost\u0159edkovatele. Sta\u010d\u00ed zn\u00e1t adresu <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/nejlepsi-kryptomenove-penezenky\/\" target=\"_blank\" rel=\"noopener\">krypto pen\u011b\u017eenky<\/a> nebo hash transakce.<\/li>\n<li><strong>Kryptografick\u00e1 ochrana \u2013 <\/strong>Ka\u017ed\u00fd blok obsahuje hash p\u0159edchoz\u00edho bloku. Tento \u201eotisk\u201c pevn\u011b propoj\u00ed celou strukturu blok\u016f, proto\u017ee zm\u011bna by\u0165 jedin\u00e9 bajtov\u00e9 hodnoty hash rozbije, \u0159et\u011bzec p\u0159estane navazovat a s\u00ed\u0165 to odhal\u00ed. Nen\u00ed tedy nutn\u00e9 spol\u00e9hat na jednu autoritu, proto\u017ee integritu zaji\u0161\u0165uje kryptografie a matematika. Tato vlastnost tak d\u00e1v\u00e1 blockchainu odolnost proti cenzu\u0159e i manipulaci a d\u011bl\u00e1 z n\u011bj spolehliv\u00fd z\u00e1klad pro uchov\u00e1v\u00e1n\u00ed digit\u00e1ln\u00ed hodnoty.<\/li>\n<li><strong>Ov\u011b\u0159en\u00ed konsenzem \u2013 <\/strong>Nov\u00e9 bloky se p\u0159id\u00e1vaj\u00ed a\u017e po dohod\u011b uzl\u016f. Konsenzus zaji\u0161\u0165uj\u00ed mechanismy jako Proof-of-Work (PoW) a Proof-of-Stake (PoS). Ty ur\u010duj\u00ed, kdo blok navrhne a kdo jej potvrd\u00ed. Do \u0159et\u011bzce tedy projdou jen platn\u00e9 a ov\u011b\u0159en\u00e9 z\u00e1znamy. Konsenzus br\u00e1n\u00ed podvrh\u016fm a z\u00e1rove\u0148 \u0159\u00edd\u00ed tempo s\u00edt\u011b. Tato pravidla motivuj\u00ed \u00fa\u010dastn\u00edky jednat poctiv\u011b, proto\u017ee neplatn\u00e9 bloky by ztratily odm\u011bny a reputaci a s\u00ed\u0165 by je rychle odm\u00edtla.<\/li>\n<\/ul>\n<h2><span id=\"historie_blockchainu_kde_se_vzal\">Historie blockchainu \u2013 kde se vzal?<\/span><\/h2>\n<p>Za za\u010d\u00e1tek blockchainu se obvykle bere rok 2008, kdy se objevily prvn\u00ed zm\u00ednky o <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/jak-koupit-bitcoin\/\" target=\"_blank\" rel=\"noopener\">Bitcoinu<\/a>. <strong>Tehdy se objevil dokument \u201eBitcoin: A Peer-to-Peer Electronic Cash System\u201c, jeho\u017e autor vystupoval pod jm\u00e9nem Satoshi Nakamoto<\/strong>.<\/p>\n<p><strong>\u0160lo o pl\u00e1n na digit\u00e1ln\u00ed pen\u00edze bez prost\u0159edn\u00edk\u016f<\/strong>. Z\u00e1klad tohoto n\u00e1padu tvo\u0159ila ve\u0159ejn\u00e1 \u00fa\u010detn\u00ed kniha sd\u00edlen\u00e1 mezi u\u017eivateli s t\u00edm, \u017ee ka\u017ed\u00fd z\u00e1pis m\u011bl jasn\u00e1 pravidla a kryptografii. My\u0161lenky na \u0159et\u011bzen\u00ed dat tu sice byly u\u017e d\u0159\u00edve \u2013 \u010dasto se zmi\u0148uj\u00ed pr\u00e1ce dvojice Haber a Stornettay, ale a\u017e Satoshi uk\u00e1zal, jak to cel\u00e9 uv\u00e9st do chodu.<\/p>\n<figure id=\"attachment_4790\" aria-describedby=\"caption-attachment-4790\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-4790 size-large\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Co-je-blockchain-satoshi-nakamoto-1024x674.png\" alt=\"Co je blockchain a kdo je Satoshi Nakamoto?\" width=\"750\" height=\"494\" srcset=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Co-je-blockchain-satoshi-nakamoto-1024x674.png 1024w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Co-je-blockchain-satoshi-nakamoto-300x198.png 300w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Co-je-blockchain-satoshi-nakamoto-768x506.png 768w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Co-je-blockchain-satoshi-nakamoto.png 1236w\" sizes=\"(max-width: 750px) 100vw, 750px\"><figcaption id=\"caption-attachment-4790\" class=\"wp-caption-text\">Satoshi Nakamoto je otcem modern\u00edho blockchainu. Zdroj: river.com<\/figcaption><\/figure>\n<p>Dal\u0161\u00ed kl\u00ed\u010dov\u00fd miln\u00edk p\u0159i\u0161el v lednu 2009. Vznikl prvn\u00ed blok Bitcoinu, takzvan\u00fd\u00a0<em>genesis block<\/em>. <strong>T\u00edm se spustil re\u00e1ln\u00fd provoz s\u00edt\u011b t\u00e9to <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/kryptomeny-s-nejvetsim-potencialem\/\" target=\"_blank\" rel=\"noopener\">kryptom\u011bny s nejv\u011bt\u0161\u00edm potenc\u00e1lem<\/a> a transakce se za\u010daly ov\u011b\u0159ovat bez bank a \u00fa\u0159ad\u016f.<\/strong> Ka\u017ed\u00fd si najednou mohl kontrolovat historii plateb a cel\u00e1 s\u00ed\u0165 st\u00e1la na pravidlech, ne na autorit\u011b. To samoz\u0159ejm\u011b p\u0159it\u00e1hlo v\u00fdvoj\u00e1\u0159e i zv\u011bdav\u00e9 u\u017eivatele a odstartovala nov\u00e1 \u00e9ra, kdy se blockchain testoval v praxi a postupn\u011b s\u00edlil.<\/p>\n<p>Brzy se objevily mnoh\u00e9 nov\u00e9 projekty. Bitcoin z\u016fstal digit\u00e1ln\u00edm zlatem, ale ostatn\u00ed \u0161li d\u00e1l. <strong><a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/jak-koupit-ethereum\/\" target=\"_blank\" rel=\"noopener\">Ethereum<\/a> p\u0159ineslo smart kontrakty a prostor pro aplikace \u2013 v\u00fdvoj\u00e1\u0159i mohli ps\u00e1t programy, kter\u00e9 b\u011b\u017e\u00ed na blockchainu.<\/strong> Vznikly dal\u0161\u00ed m\u011bny jako Litecoin nebo Ripple. kter\u00e9 zkou\u0161ely rychlost, poplatky i jin\u00e9 nov\u00e9 mechanismy. Z\u00e1kladn\u00ed principy v\u0161ak z\u016fstaly stejn\u00e9. Sd\u00edlen\u00fd \u0159et\u011bzec, konsenzus a kryptografie dr\u017eely v\u0161e pohromad\u011b.<\/p>\n<p><strong>Po roce 2015 se roz\u0161\u00ed\u0159ilo i spektrum pou\u017eit\u00ed. Nastoupily <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/nejlepsi-defi-coins\/\" target=\"_blank\" rel=\"noopener\">DeFi<\/a> slu\u017eby a digit\u00e1ln\u00ed sb\u011bratelsk\u00e9 tokeny NFT.<\/strong> Firmy za\u010daly testovat sledov\u00e1n\u00ed zbo\u017e\u00ed v \u0159et\u011bzc\u00edch a \u010d\u00edm d\u00e1l v\u00edce se mluvilo o zdravotnictv\u00ed, identit\u011b a ve\u0159ejn\u00fdch registrech. Do t\u00e9matu vstoupily i st\u00e1ty a velk\u00e9 instituce, kter\u00e9 hledaly transparentnost a odolnost proti manipulaci. Blockchain se posunul od experimentu k infrastruktu\u0159e a dnes pat\u0159\u00ed mezi technologie, kter\u00e9 m\u011bn\u00ed pravidla hry nap\u0159\u00ed\u010d obory.<\/p>\n<h2><span id=\"jak_funguje_blockchain\">Jak funguje blockchain<\/span><\/h2>\n<p>Pokud se pt\u00e1te, blockchain co to je, jedn\u00e1 se o \u0159et\u011bz blok\u016f, kter\u00e9 na sebe pevn\u011b navazuj\u00ed. <strong>V ka\u017ed\u00e9m bloku je \u010d\u00e1st historie, typicky seznam transakc\u00ed, a tak\u00e9 jeho digit\u00e1ln\u00ed \u201eotisk\u201c neboli hash. Hash je jedine\u010dn\u00fd souhrn obsahu bloku.<\/strong> Do hlavi\u010dky ka\u017ed\u00e9ho nov\u00e9ho bloku se ukl\u00e1d\u00e1 hash bloku p\u0159edchoz\u00edho, \u010d\u00edm\u017e vznik\u00e1 chronologick\u00e1 posloupnost, kde ka\u017ed\u00fd \u010dl\u00e1nek z\u00e1vis\u00ed na tom p\u0159ed n\u00edm. Jak\u00e1koli neopr\u00e1vn\u011bn\u00e1 zm\u011bna by hash zm\u011bnila, \u0159et\u011bz by pak nesed\u011bl a s\u00ed\u0165 by tuto \u00fapravu odm\u00edtla.<\/p>\n<figure id=\"attachment_4791\" aria-describedby=\"caption-attachment-4791\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-4791\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Jak-funguje-blockchain.png\" alt=\"Jak funguje blockchain\" width=\"750\" height=\"759\" srcset=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Jak-funguje-blockchain.png 845w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Jak-funguje-blockchain-296x300.png 296w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Jak-funguje-blockchain-768x777.png 768w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Jak-funguje-blockchain-64x64.png 64w\" sizes=\"(max-width: 750px) 100vw, 750px\"><figcaption id=\"caption-attachment-4791\" class=\"wp-caption-text\">Jak funguje blockchain. Zdroj: money.com<\/figcaption><\/figure>\n<p><strong>Aby se nov\u00fd blok dostal do \u0159et\u011bzce, mus\u00ed jej nejprve ov\u011b\u0159it ostatn\u00ed \u00fa\u010dastn\u00edci s\u00edt\u011b.<\/strong> Uzly v s\u00edti sb\u00edraj\u00ed nepotvrzen\u00e9 transakce a skl\u00e1daj\u00ed z nich n\u00e1vrh bloku. N\u00e1sleduje ov\u011b\u0159ovac\u00ed proces, kter\u00fd prokazuje, \u017ee blok spl\u0148uje ve\u0161ker\u00e1 pot\u0159ebn\u00e1 pravidla. Nejzn\u00e1m\u011bj\u0161\u00ed je mechanismus Proof-of-Work (PoW), kter\u00fd proslavil hlavn\u011b Bitcoin nebo tak\u00e9 jedni\u010dku mezi <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/nejlepsi-altcoiny\/\" target=\"_blank\" rel=\"noopener\">altcoiny<\/a> \u2013 DOGE. T\u011b\u017ea\u0159i hledaj\u00ed vhodn\u00e9 n\u00e1hodn\u00e9 \u010d\u00edslo, takzvan\u00e9 nonce, aby v\u00fdsledn\u00fd hash splnil c\u00edlov\u00e9 podm\u00ednky. Jde o n\u00e1ro\u010dn\u00fd v\u00fdpo\u010det, na kter\u00fd je pot\u0159eba vysok\u00fd v\u00fdkon dalece p\u0159esahuj\u00edc\u00ed b\u011b\u017en\u00e9 osobn\u00ed po\u010d\u00edta\u010de. Proto se t\u011b\u017ea\u0159i tak\u00e9 sdru\u017euj\u00ed do tzv. pool\u016f.<\/p>\n<p>Proof-of-Work je sice velmi bezpe\u010dn\u00fd, ale je tak\u00e9 zna\u010dn\u011b energeticky n\u00e1ro\u010dn\u00fd. <strong>Alternativou je Proof-of-Stake (PoS), kter\u00fd pou\u017e\u00edvaj\u00ed n\u011bkter\u00e9 modern\u00ed s\u00edt\u011b (nap\u0159. Ethereum, <a href=\"https:\/\/icobench.com\/cz\/visit\/hyper\" target=\"_blank\" rel=\"noopener nofollow\">Bitcoin Hyper<\/a> \u010di jin\u00e9 altcoiny).<\/strong> V PoS nepracuj\u00ed t\u011b\u017ea\u0159i, ale tzv. valid\u00e1to\u0159i, kte\u0159\u00ed uzamknou vlastn\u00ed mince jako z\u00e1ruku. Pro n\u00e1vrh dal\u0161\u00edho bloku se pseudon\u00e1hodn\u011b vyb\u00edr\u00e1 z t\u011bchto \u00fa\u010dastn\u00edk\u016f. Vybran\u00fd valid\u00e1tor blok sestav\u00ed a po\u0161le ostatn\u00edm ke kontrole. V\u00fdhodou je daleko ni\u017e\u0161\u00ed spot\u0159eba energie ne\u017e u PoW, nev\u00fdhodou zase v\u011bt\u0161\u00ed vliv velk\u00fdch dr\u017eitel\u016f.<\/p>\n<figure id=\"attachment_4599\" aria-describedby=\"caption-attachment-4599\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-4599 size-large\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/O-projektu-Bitcoin-Hyper-1024x459.png\" alt=\"O projektu Bitcoin Hyper\" width=\"750\" height=\"336\" srcset=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/O-projektu-Bitcoin-Hyper-1024x459.png 1024w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/O-projektu-Bitcoin-Hyper-300x134.png 300w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/O-projektu-Bitcoin-Hyper-768x344.png 768w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/O-projektu-Bitcoin-Hyper-1536x689.png 1536w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/O-projektu-Bitcoin-Hyper-1568x703.png 1568w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/O-projektu-Bitcoin-Hyper.png 1887w\" sizes=\"(max-width: 750px) 100vw, 750px\"><figcaption id=\"caption-attachment-4599\" class=\"wp-caption-text\">Bitcoin Hyper pou\u017e\u00edv\u00e1 PoS a pat\u0159\u00ed mezi nejz\u00e1\u0159iv\u011bj\u0161\u00ed altcoiny. Zdroj: bitcoinhyper<\/figcaption><\/figure>\n<p>Po potvrzen\u00ed se nov\u00fd blok \u0161\u00ed\u0159\u00ed k ostatn\u00edm uzl\u016fm, kter\u00e9 si udr\u017euj\u00ed aktu\u00e1ln\u00ed kopii cel\u00e9 datab\u00e1ze. D\u00edky tomu neexistuje jedin\u00e9 m\u00edsto, kde by bylo mo\u017en\u00e9 historii tajn\u011b p\u0159epsat. <strong>\u00dato\u010dn\u00edk by musel porazit v\u011bt\u0161inu s\u00edt\u011b, a\u0165 u\u017e ve v\u00fdpo\u010detn\u00edm v\u00fdkonu, nebo v minc\u00edch, kter\u00e9 jsou ve <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/staking-kryptomen\/\" target=\"_blank\" rel=\"noopener\">stakingu<\/a>.<\/strong> Takzvan\u00fd 51% \u00fatok je teoreticky mo\u017en\u00fd, ale prakticky velmi n\u00e1kladn\u00fd. Podkopal by d\u016fv\u011bru v s\u00ed\u0165, a t\u00edm i jej\u00ed hodnotu. Pr\u00e1v\u011b kombinace kryptografie, konsenzu a replikace udr\u017euje blockchain stabiln\u00ed.<\/p>\n<h2><span id=\"blockchain_a_kryptomeny_jak_spolu_souvisi\">Blockchain a kryptom\u011bny \u2013 jak spolu souvis\u00ed?<\/span><\/h2>\n<p>Blockchain a kryptom\u011bny jsou dv\u011b v\u011bci, kter\u00e9 si lid\u00e9 \u010dasto pletou. Nejde ale o tot\u00e9\u017e.<strong> Blockchain je technologie pro decentralizovan\u00e9 ukl\u00e1d\u00e1n\u00ed dat a funguje jako chytr\u00e1 \u00fa\u010detn\u00ed kniha sd\u00edlen\u00e1 v s\u00edti.<\/strong> Kryptom\u011bna je naopak digit\u00e1ln\u00ed m\u011bna, kter\u00e1 tento syst\u00e9m vyu\u017e\u00edv\u00e1. Bitcoin je historicky prvn\u00ed m\u011bna se sv\u00fdm vlastn\u00edm blockchainem. V jeho \u0159et\u011bzci le\u017e\u00ed v\u0161echny transakce a z\u016fstatky. Ethereum m\u00e1 zase vlastn\u00ed s\u00ed\u0165 pro ether, smart kontrakty a aplikace.<\/p>\n<p>Rozd\u00edl si lze p\u0159edstavit jednodu\u0161e. <strong>Blockchain je infrastruktura a kryptom\u011bny jsou obsah, kter\u00fd po n\u00ed \u201eb\u011bh\u00e1\u201c<\/strong>. Z\u00e1znamy v blockchainu maj\u00ed podobu blok\u016f sv\u00e1zan\u00fdch kryptografi\u00ed, d\u00edky \u010demu\u017e jsou ov\u011b\u0159iteln\u00e9 a odoln\u00e9 proti z\u00e1sah\u016fm. Ka\u017ed\u00fd si tak m\u016f\u017ee zkontrolovat stav adresy a historii p\u0159evod\u016f d\u00edky vyu\u017eit\u00ed n\u00e1stroje blockchain explorer. Transparentnost zvy\u0161uje d\u016fv\u011bru u\u017eivatel\u016f a z\u00e1rove\u0148 usnad\u0148uje audit i \u0159e\u0161en\u00ed spor\u016f.<\/p>\n<p><strong>Kryptom\u011bny se nakupuj\u00ed a prod\u00e1vaj\u00ed p\u0159es aplikace, kter\u00e9 s blockchainem komunikuj\u00ed.<\/strong> Typicky jde o\u00a0pen\u011b\u017eenky (nap\u0159. <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/ethereum-penezenka\/\" target=\"_blank\" rel=\"noopener\">ethereum pen\u011b\u017eenky<\/a>) a r\u016fzn\u00e9 burzy (CEX, DEX). Krypto pen\u011b\u017eenka dr\u017e\u00ed kl\u00ed\u010de a podepisuje transakce a burza pom\u00e1h\u00e1 sm\u011bnit digit\u00e1ln\u00ed aktiva za jin\u00e9 coiny nebo fiat. Princip v\u0161ak z\u016fst\u00e1v\u00e1 stejn\u00fd. Aby se p\u0159evod stal realitou, mus\u00ed se zapsat do bloku a t\u00edm potvrdit. S\u00ed\u0165 z\u00e1pis n\u00e1sledn\u011b ov\u011b\u0159\u00ed a roz\u0161\u00ed\u0159\u00ed v\u0161em uzl\u016fm. U\u017eivatel tak vid\u00ed platbu i jej\u00ed potvrzen\u00ed b\u011bhem p\u00e1r minut.<\/p>\n<figure id=\"attachment_4792\" aria-describedby=\"caption-attachment-4792\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-4792 size-large\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Web-3.0-1024x623.png\" alt=\"Blockchain a Web 3.0\" width=\"750\" height=\"456\" srcset=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Web-3.0-1024x623.png 1024w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Web-3.0-300x183.png 300w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Web-3.0-768x467.png 768w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Web-3.0.png 1234w\" sizes=\"(max-width: 750px) 100vw, 750px\"><figcaption id=\"caption-attachment-4792\" class=\"wp-caption-text\">Web 3.0 se neust\u00e1le rozr\u016fst\u00e1. Zdroj: media.lcdn.com<\/figcaption><\/figure>\n<p>Blockchain se p\u0159itom neomezuje jen na pen\u00edze.<strong> Roste sv\u011bt aplikac\u00ed pro identitu, hlasov\u00e1n\u00ed, logistiku a spr\u00e1vu dat a do pop\u0159ed\u00ed se v\u00edc a v\u00edce dost\u00e1vaj\u00ed NFT a dApps, kter\u00e9 b\u011b\u017e\u00ed bez centr\u00e1ln\u00edho provozovatele.<\/strong> Mluv\u00ed se o Webu 3.0. \u2013 o internetu, kde u\u017eivatel\u00e9 dr\u017e\u00ed sv\u00e1 data i hodnotu. Finan\u010dn\u00ed slu\u017eby v DeFi b\u011b\u017e\u00ed nonstop a bez bank, co\u017e umo\u017e\u0148uje vznik nov\u00fdch model\u016f hern\u00ed ekonomiky, otev\u0159en\u00fdch trh\u016f nebo mikrop\u016fj\u010dek. Otev\u0159en\u00e1 architektura podporuje inovace a p\u0159in\u00e1\u0161\u00ed \u0161anci m\u011bnit zaveden\u00e9 obory.<\/p>\n<h2><span id=\"nejzajimavejsi_kryptomeny_ktere_nyni_lze_najit_na_blockchainu\">Nejzaj\u00edmav\u011bj\u0161\u00ed kryptom\u011bny, kter\u00e9 nyn\u00ed lze naj\u00edt na blockchainu<\/span><\/h2>\n<p><span data-sheets-root=\"1\"><div class=\"cbm-presale-toplist__wrapper \" data-id=\"349\">\n    <div class=\"cbm-presale-toplist__offers-list\">\n        <div class=\"cbm-presale-toplist__offer\" data-id=\"2267\" data-offer-name=\"Bitcoin Hyper ($HYPER)\">\n    <div class=\"cbm-presale-toplist__offer-body\">\n        <div class=\"cbm-presale-toplist__offer-logo-w-title\">\n            <div class=\"cbm-presale-toplist__offer-logo\">\n                <img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/06\/Snimek-obrazovky-2025-06-06-070418-64x64.png\" alt=\"Logo\">\n            <\/div>\n            <a class=\"cbm-presale-toplist__offer-title\" href=\"http:\/\/icobench.com\/cz\/visit\/hyper\" target=\"_blank\" rel=\"nofollow sponsored\">Bitcoin Hyper ($HYPER)<\/a>\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-pros\">\n            <ul><li><span><\/span>Vysok\u00e1 adaptabilita<\/li><li><span><\/span>Vyu\u017eit\u00ed revolu\u010dn\u00ed Layer 2<\/li><li><span><\/span>Podpora DeFi<\/li><\/ul>\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-launched\">\n            \n\t\t\t\t<div class=\"cbm-presale-toplist__date-head\">Spu\u0161t\u011bn\u00ed projektu<\/div>\n\t\t\t\t<div class=\"cbm-presale-toplist__date-body\">kv\u011bten 2025<\/div>\n\t\t\t\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-meta\">\n            \n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-purchase-methods\">\n            <div class=\"cbm-presale-toplist__offer-purchase-methods-title\">Platebn\u00ed metody<\/div><ul><li><img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/bnb-paymentmethod.png\" alt=\"BNB\"><div class=\"cbm-presale-toplist__tooltip\">BNB<\/div><\/li><li><img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/eth-paymentmethod.png\" alt=\"ETH\"><div class=\"cbm-presale-toplist__tooltip\">ETH<\/div><\/li><li><img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/card-logo.png\" alt=\"Platebn\u00ed karta\"><div class=\"cbm-presale-toplist__tooltip\">Platebn\u00ed karta<\/div><\/li><\/ul>\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-link\">\n            <a class=\"cbm-presale-toplist__offer-cta-button\" href=\"http:\/\/icobench.com\/cz\/visit\/hyper\" target=\"_blank\" rel=\"nofollow sponsored\">P\u0159ej\u00edt na projekt<\/a>\n        <\/div>\n    <\/div>\n    \n<\/div>\n<div class=\"cbm-presale-toplist__offer\" data-id=\"3268\" data-offer-name=\"Maxi Doge ($MAXI)\">\n    <div class=\"cbm-presale-toplist__offer-body\">\n        <div class=\"cbm-presale-toplist__offer-logo-w-title\">\n            <div class=\"cbm-presale-toplist__offer-logo\">\n                <img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/07\/Screenshot-2025-07-31-at-16-10-41-Maxi-Doge-Official-Website-MaxiDoge-Token-Presale-64x64.jpg\" alt=\"Logo\">\n            <\/div>\n            <a class=\"cbm-presale-toplist__offer-title\" href=\"\/cz\/visit\/maxidoge\" target=\"_blank\" rel=\"nofollow sponsored\">Maxi Doge ($MAXI)<\/a>\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-pros\">\n            <ul><li><span><\/span>Maxi Doge funguje na Ethereu<\/li><li><span><\/span>Atraktivn\u00ed odm\u011bny za staking pro brzk\u00e9 investory<\/li><li><span><\/span>Vlajkov\u00fd meme coin \u201edegen\u201d krypto investor\u016f<\/li><\/ul>\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-launched\">\n            \n\t\t\t\t<div class=\"cbm-presale-toplist__date-head\">Spu\u0161t\u011bn\u00ed projektu<\/div>\n\t\t\t\t<div class=\"cbm-presale-toplist__date-body\">\u010dervenec 2025<\/div>\n\t\t\t\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-meta\">\n            \n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-purchase-methods\">\n            <div class=\"cbm-presale-toplist__offer-purchase-methods-title\">Platebn\u00ed metody<\/div><ul><li><img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/eth-paymentmethod.png\" alt=\"ETH\"><div class=\"cbm-presale-toplist__tooltip\">ETH<\/div><\/li><li><img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/bnb-paymentmethod.png\" alt=\"BNB\"><div class=\"cbm-presale-toplist__tooltip\">BNB<\/div><\/li><li><img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/tether-paymentmethod.png\" alt=\"USDT\"><div class=\"cbm-presale-toplist__tooltip\">USDT<\/div><\/li><li style=\"display: none;\"><img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/card-logo.png\" alt=\"Platebn\u00ed karta\"><div class=\"cbm-presale-toplist__tooltip\">Platebn\u00ed karta<\/div><\/li><li class=\"cbm-presale-toplist__offer-purchase-methods-more\">+1 dal\u0161\u00ed<\/li><\/ul>\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-link\">\n            <a class=\"cbm-presale-toplist__offer-cta-button\" href=\"\/cz\/visit\/maxidoge\" target=\"_blank\" rel=\"nofollow sponsored\">P\u0159ej\u00edt na projekt<\/a>\n        <\/div>\n    <\/div>\n    \n<\/div>\n<div class=\"cbm-presale-toplist__offer\" data-id=\"3508\" data-offer-name=\"BMIC ($BMIC)\">\n    <div class=\"cbm-presale-toplist__offer-body\">\n        <div class=\"cbm-presale-toplist__offer-logo-w-title\">\n            <div class=\"cbm-presale-toplist__offer-logo\">\n                <img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2026\/01\/BMIC_400x400-64x64.jpg\" alt=\"Logo\">\n            <\/div>\n            <a class=\"cbm-presale-toplist__offer-title\" href=\"https:\/\/icobench.com\/cz\/visit\/bmic\" target=\"_blank\" rel=\"nofollow sponsored\">BMIC ($BMIC)<\/a>\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-pros\">\n            <ul><li><span><\/span>Krypto pen\u011b\u017eenka s ultra vysokou bezpe\u010dnost\u00ed<\/li><li><span><\/span>Vysok\u00e9 odm\u011bny za staking<\/li><li><span><\/span>Fixn\u00ed nab\u00eddka token\u016f<\/li><\/ul>\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-launched\">\n            \n\t\t\t\t<div class=\"cbm-presale-toplist__date-head\">Spu\u0161t\u011bn\u00ed projektu<\/div>\n\t\t\t\t<div class=\"cbm-presale-toplist__date-body\">prosinec 2025<\/div>\n\t\t\t\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-meta\">\n            \n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-purchase-methods\">\n            <div class=\"cbm-presale-toplist__offer-purchase-methods-title\">Platebn\u00ed metody<\/div><ul><li><img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/eth-paymentmethod.png\" alt=\"ETH\"><div class=\"cbm-presale-toplist__tooltip\">ETH<\/div><\/li><li><img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/tether-paymentmethod.png\" alt=\"USDT\"><div class=\"cbm-presale-toplist__tooltip\">USDT<\/div><\/li><li><img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/card-logo.png\" alt=\"Platebn\u00ed karta\"><div class=\"cbm-presale-toplist__tooltip\">Platebn\u00ed karta<\/div><\/li><\/ul>\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-link\">\n            <a class=\"cbm-presale-toplist__offer-cta-button\" href=\"https:\/\/icobench.com\/cz\/visit\/bmic\" target=\"_blank\" rel=\"nofollow sponsored\">P\u0159ej\u00edt na projekt<\/a>\n        <\/div>\n    <\/div>\n    \n<\/div>\n<div class=\"cbm-presale-toplist__offer\" data-id=\"6973\" data-offer-name=\"LiquidChain ($LIQUID)\">\n    <div class=\"cbm-presale-toplist__offer-body\">\n        <div class=\"cbm-presale-toplist__offer-logo-w-title\">\n            <div class=\"cbm-presale-toplist__offer-logo\">\n                <img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2026\/01\/Liquid-Chain-logo-64x64.png\" alt=\"Logo\">\n            <\/div>\n            <a class=\"cbm-presale-toplist__offer-title\" href=\"\/cz\/visit\/Liquidchain\" target=\"_blank\" rel=\"nofollow sponsored\">LiquidChain ($LIQUID)<\/a>\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-pros\">\n            <ul><li><span><\/span>Spojuje Bitcoin, Ethereum a Solanu na Layer 3<\/li><li><span><\/span>Vysok\u00e1 odm\u011bna za staking<\/li><li><span><\/span>Pevn\u011b dan\u00e1 celkov\u00e1 nab\u00eddka token\u016f<\/li><\/ul>\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-launched\">\n            \n\t\t\t\t<div class=\"cbm-presale-toplist__date-head\">Spu\u0161t\u011bn\u00ed projektu<\/div>\n\t\t\t\t<div class=\"cbm-presale-toplist__date-body\">prosinec 2025<\/div>\n\t\t\t\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-meta\">\n            \n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-purchase-methods\">\n            <div class=\"cbm-presale-toplist__offer-purchase-methods-title\">Platebn\u00ed metody<\/div><ul><li><img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/eth-paymentmethod.png\" alt=\"ETH\"><div class=\"cbm-presale-toplist__tooltip\">ETH<\/div><\/li><li><img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/card-logo.png\" alt=\"Platebn\u00ed karta\"><div class=\"cbm-presale-toplist__tooltip\">Platebn\u00ed karta<\/div><\/li><\/ul>\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-link\">\n            <a class=\"cbm-presale-toplist__offer-cta-button\" href=\"\/cz\/visit\/Liquidchain\" target=\"_blank\" rel=\"nofollow sponsored\">P\u0159ej\u00edt na projekt<\/a>\n        <\/div>\n    <\/div>\n    \n<\/div>\n<div class=\"cbm-presale-toplist__offer\" data-id=\"1501\" data-offer-name=\"SUBBD ($SUBBD)\">\n    <div class=\"cbm-presale-toplist__offer-body\">\n        <div class=\"cbm-presale-toplist__offer-logo-w-title\">\n            <div class=\"cbm-presale-toplist__offer-logo\">\n                <img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/04\/subbd-64x64-1.png\" alt=\"Logo\">\n            <\/div>\n            <a class=\"cbm-presale-toplist__offer-title\" href=\"https:\/\/icobench.com\/cz\/visit\/subbd\" target=\"_blank\" rel=\"nofollow sponsored\">SUBBD ($SUBBD)<\/a>\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-pros\">\n            <ul><li><span><\/span>Prvn\u00ed platforma pro tvorbu obsahu a pr\u00e9miov\u00e9 slu\u017eby s AI<\/li><li><span><\/span>P\u0159es 250+ milion\u016f sleduj\u00edc\u00edch<\/li><li><span><\/span>Staking s 20% APY<\/li><\/ul>\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-launched\">\n            \n\t\t\t\t<div class=\"cbm-presale-toplist__date-head\">Spu\u0161t\u011bn\u00ed projektu<\/div>\n\t\t\t\t<div class=\"cbm-presale-toplist__date-body\">duben 2025<\/div>\n\t\t\t\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-meta\">\n            \n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-purchase-methods\">\n            <div class=\"cbm-presale-toplist__offer-purchase-methods-title\">Platebn\u00ed metody<\/div><ul><li><img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/bnb-paymentmethod.png\" alt=\"BNB\"><div class=\"cbm-presale-toplist__tooltip\">BNB<\/div><\/li><li><img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/card-logo.png\" alt=\"Platebn\u00ed karta\"><div class=\"cbm-presale-toplist__tooltip\">Platebn\u00ed karta<\/div><\/li><li><img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/eth-paymentmethod.png\" alt=\"ETH\"><div class=\"cbm-presale-toplist__tooltip\">ETH<\/div><\/li><li style=\"display: none;\"><img decoding=\"async\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/tether-paymentmethod.png\" alt=\"USDT\"><div class=\"cbm-presale-toplist__tooltip\">USDT<\/div><\/li><li class=\"cbm-presale-toplist__offer-purchase-methods-more\">+1 dal\u0161\u00ed<\/li><\/ul>\n        <\/div>\n        <div class=\"cbm-presale-toplist__offer-link\">\n            <a class=\"cbm-presale-toplist__offer-cta-button\" href=\"https:\/\/icobench.com\/cz\/visit\/subbd\" target=\"_blank\" rel=\"nofollow sponsored\">P\u0159ej\u00edt na projekt<\/a>\n        <\/div>\n    <\/div>\n    \n<\/div>\n\n    <\/div>\n<\/div>\n<\/span><\/p>\n<h2><span id=\"co_je_krypto_penezenka\">Co je krypto pen\u011b\u017eenka?<\/span><\/h2>\n<p><strong>Krypto pen\u011b\u017eenka je n\u00e1stroj pro spr\u00e1vu digit\u00e1ln\u00edch m\u011bn.<\/strong> Umo\u017en\u00ed v\u00e1m bezpe\u010dn\u011b p\u0159ij\u00edmat, pos\u00edlat a dr\u017eet va\u0161e st\u00e1vaj\u00edc\u00ed i <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/nove-kryptomeny\/\" target=\"_blank\" rel=\"noopener\">nov\u00e9 kryptom\u011bny<\/a>. Funguje podobn\u011b jako \u00fa\u010det v bance, ale bez pot\u0159eby prost\u0159edn\u00edk\u016f a t\u0159et\u00edch stran. Z\u00e1kladem t\u011bchto pen\u011b\u017eenk jsou priv\u00e1tn\u00ed kl\u00ed\u010de, kter\u00fdmi podepisujete transakce a potvrzujete vlastnictv\u00ed. Kdo kl\u00ed\u010de zn\u00e1, ovl\u00e1d\u00e1 pen\u011b\u017eenku a proto se doporu\u010duje je chr\u00e1nit pe\u010dliv\u011bji ne\u017e b\u011b\u017en\u00e9 heslo.<\/p>\n<figure id=\"attachment_4661\" aria-describedby=\"caption-attachment-4661\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-4661 size-large\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Best-Wallet-penezenka-1-1024x454.png\" alt=\"Best Wallet krypto pen\u011b\u017eenka\" width=\"750\" height=\"333\" srcset=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Best-Wallet-penezenka-1-1024x454.png 1024w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Best-Wallet-penezenka-1-300x133.png 300w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Best-Wallet-penezenka-1-768x340.png 768w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Best-Wallet-penezenka-1-1536x681.png 1536w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Best-Wallet-penezenka-1-1568x695.png 1568w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Best-Wallet-penezenka-1.png 1895w\" sizes=\"(max-width: 750px) 100vw, 750px\"><figcaption id=\"caption-attachment-4661\" class=\"wp-caption-text\">Nejlep\u0161\u00ed krypto pen\u011b\u017eenka na trhu pro blockchain projekty. Zdroj: bestwallet<\/figcaption><\/figure>\n<ul>\n<li><strong>Softwarov\u00e9 pen\u011b\u017eenky \u2013 <\/strong>B\u011b\u017e\u00ed jako aplikace v mobilu (nap\u0159. <a href=\"https:\/\/icobench.com\/cz\/visit\/bestwallet-wallet\" target=\"_blank\" rel=\"noopener nofollow\">Best Wallet<\/a>), na po\u010d\u00edta\u010di nebo ve webov\u00e9m prohl\u00ed\u017ee\u010di. Kl\u00ed\u010de jsou ulo\u017een\u00e9 digit\u00e1ln\u011b, tak\u017ee m\u00e1te rychl\u00fd p\u0159\u00edstup k platb\u00e1m. V\u011bt\u0161ina zvl\u00e1dne v\u00edce m\u011bn i p\u0159ehledn\u00e9 sledov\u00e1n\u00ed z\u016fstatk\u016f. Jsou pohodln\u00e9 pro ka\u017edodenn\u00ed pou\u017eit\u00ed. Na v\u011bt\u0161\u00ed \u010d\u00e1stky se ale hod\u00ed sp\u00ed\u0161 n\u011bkter\u00e9 z offline \u0159e\u0161en\u00ed.<\/li>\n<li><strong>Hardwarov\u00e9 pen\u011b\u017eenky \u2013 <\/strong>Jde o mal\u00e9 fyzick\u00e9 za\u0159\u00edzen\u00ed, kter\u00e9 dr\u017e\u00ed kl\u00ed\u010de mimo internet (nap\u0159. <a href=\"https:\/\/icobench.com\/cz\/visit\/trezor\" target=\"_blank\" rel=\"noopener nofollow\">Trezor<\/a>). P\u0159ipoj\u00edte ho jen p\u0159i podpisu transakce. d\u00edky \u010demu\u017e odol\u00e1 v\u011bt\u0161in\u011b online \u00fatok\u016f. Pro dlouhodob\u00e9 dr\u017een\u00ed vy\u0161\u0161\u00edch \u010d\u00e1stek pat\u0159\u00ed k nejbezpe\u010dn\u011bj\u0161\u00edm volb\u00e1m. Ovl\u00e1d\u00e1n\u00ed je jednoduch\u00e9 \u2013 sta\u010d\u00edp\u0159ipojit, potvrdit, odpojit.<\/li>\n<li><strong>Paper wallet (pap\u00edrov\u00e1 pen\u011b\u017eenka) \u2013 <\/strong>Priv\u00e1tn\u00ed kl\u00ed\u010de jsou vyti\u0161t\u011bn\u00e9 na pap\u00ed\u0159e, \u010dasto jako QR k\u00f3dy. Je to \u010dist\u00e9 offline \u0159e\u0161en\u00ed bez softwaru, kter\u00e9 se ale v dne\u0161n\u00ed dob\u011b ji\u017e moc nevyu\u017e\u00edv\u00e1. Hod\u00ed se pro dlouh\u00e9 ulo\u017een\u00ed, pokud pap\u00edr neztrat\u00edte a nepo\u0161kod\u00edte. Rizikem je samoz\u0159ejm\u011b ohe\u0148, voda i zapomenut\u00e9 m\u00edsto ulo\u017een\u00ed.<\/li>\n<\/ul>\n<p><strong>Krypto pen\u011b\u017eenka nedr\u017e\u00ed va\u0161e pen\u00edze sama o sob\u011b, je to pouze p\u0159\u00edstupov\u00fd kl\u00ed\u010d k nim.<\/strong> Chcete-li kryptom\u011bnu sm\u011bnit za koruny \u010di eura, po\u0161lete ji na burzu nebo sm\u011bn\u00e1rnu, kde ji prod\u00e1te a zad\u00e1te v\u00fdb\u011br na bankovn\u00ed \u00fa\u010det. Kombinace pen\u011b\u017eenky a <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/nejlepsi-burzy-bez-kyc\/\" target=\"_blank\" rel=\"noopener\">krypto burzy<\/a> v\u00e1m tak umo\u017en\u00ed plynule p\u0159ech\u00e1zet mezi sv\u011btem krypta a tradi\u010dn\u00edch financ\u00ed.<\/p>\n<h2><span id=\"blockchain_explorer\">Blockchain explorer<\/span><\/h2>\n<p>Blockchain explorer je webov\u00e9 rozhran\u00ed, kter\u00e9 v\u00e1m uk\u00e1\u017ee, co je \u201epod kapotou\u201c ve\u0159ejn\u00e9ho blockchainu. <strong>P\u0159ipom\u00edn\u00e1 vyhled\u00e1va\u010d nebo pr\u016fzkumn\u00edk soubor\u016f, jen m\u00edsto dokument\u016f prohl\u00ed\u017e\u00ed bloky a transakce.<\/strong> Sta\u010d\u00ed zadat adresu, hash transakce (TXID), hash bloku nebo v\u00fd\u0161ku bloku. Explorer pak na\u010dte historii plateb, z\u016fstatky, \u010dasov\u00e1 raz\u00edtka i metadata. V\u011bt\u0161ina explorer\u016f pracuje v re\u00e1ln\u00e9m \u010dase, tak\u017ee vid\u00edte nov\u00e9 bloky a pending transakce, kter\u00e9 \u010dekaj\u00ed na potvrzen\u00ed.<\/p>\n<figure id=\"attachment_4793\" aria-describedby=\"caption-attachment-4793\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-4793 size-large\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Blockchain-explorer-1024x555.png\" alt=\"Top 5 blockchain explorer\u016f - co je blockchain\" width=\"750\" height=\"406\" srcset=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Blockchain-explorer-1024x555.png 1024w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Blockchain-explorer-300x162.png 300w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Blockchain-explorer-768x416.png 768w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Blockchain-explorer-1536x832.png 1536w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Blockchain-explorer-1568x849.png 1568w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Blockchain-explorer.png 1586w\" sizes=\"(max-width: 750px) 100vw, 750px\"><figcaption id=\"caption-attachment-4793\" class=\"wp-caption-text\">Na v\u00fdb\u011br m\u00e1te z n\u011bkolika blockchain explorer\u016f. Zdroj: pmf-research.eu<\/figcaption><\/figure>\n<p>V praxi tak snadno ov\u011b\u0159\u00edte, \u017ee platba opravdu ode\u0161la nebo dorazila. U ka\u017ed\u00e9 transakce uvid\u00edte po\u010det\u00a0potvrzen\u00ed. <strong>Jedno potvrzen\u00ed znamen\u00e1, \u017ee se transakce dostala do bloku; ka\u017ed\u00fdm dal\u0161\u00edm blokem roste jistota, \u017ee z\u00e1znam z\u016fstane trval\u00fd.<\/strong> Explorer \u010dasto uk\u00e1\u017ee i odhady poplatk\u016f, co\u017e pom\u016f\u017ee ur\u010dit, jak rychle se transakce potvrd\u00ed. U s\u00edt\u00ed typu Ethereum nav\u00edc uvid\u00edte gas a ud\u00e1losti (logs). U token\u016f a <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/nejlepsi-meme-coiny\/\" target=\"_blank\" rel=\"noopener\">meme coin\u016f<\/a> pak p\u0159ehled p\u0159evod\u016f, dr\u017eitel\u016f a p\u0159\u00edpadn\u011b i metadata NFT.<\/p>\n<p>Typicky v\u00e1m blockchain explorer uk\u00e1\u017ee:<\/p>\n<ul>\n<li>Posledn\u00ed potvrzen\u00e9 bloky\u00a0a jejich\u00a0v\u00fd\u0161ky, \u010das a velikost,<\/li>\n<li>Detail transakce: vstupy, v\u00fdstupy, poplatky, status, po\u010det potvrzen\u00ed,<\/li>\n<li>Z\u016fstatek\u00a0a historii konkr\u00e9tn\u00ed\u00a0adresy\u00a0(pen\u011b\u017eenky),<\/li>\n<li>S\u00ed\u0165ov\u00e9 statistiky: po\u010det transakc\u00ed, hash rate\u00a0(u PoW), mempool, obt\u00ed\u017enost,<\/li>\n<li>U smart kontrakt\u016f: ov\u011b\u0159en\u00fd k\u00f3d, interakce, ud\u00e1losti, tokeny a jejich standardy.<\/li>\n<\/ul>\n<p><strong>Existuje v\u00edce explorer\u016f pro stejnou s\u00ed\u0165, proto p\u0159i v\u00fdpadku zkuste jin\u00fd.<\/strong> Mal\u00e9 odchylky v metrik\u00e1ch jsou b\u011b\u017en\u00e9 a nelze je zcela eliminovat. Explorer je pouze prohl\u00ed\u017ee\u010d, nikdy do n\u011bj proto nevkl\u00e1dejte seed ani priv\u00e1tn\u00ed kl\u00ed\u010de. U adres dbejte na\u00a0soukrom\u00ed: v open blockchainech jsou pohyby ve\u0159ejn\u00e9, proto pou\u017e\u00edvejte nov\u00e9 adresy a zva\u017ete mixovac\u00ed techniky tam, kde je to leg\u00e1ln\u00ed. Pro automatizaci vyu\u017eijete API\u00a0explorer\u016f, t\u0159eba pro fakturaci nebo monitoring plateb. D\u00edky t\u011bmto funkc\u00edm slou\u017e\u00ed blockchain explorer u\u017eivatel\u016fm, obchodn\u00edk\u016fm i auditor\u016fm jako transparentn\u00ed a rychl\u00fd n\u00e1stroj pro ov\u011b\u0159en\u00ed reality na \u0159et\u011bzci.<\/p>\n<p><span data-sheets-root=\"1\"><div class=\"su-note\" style=\"border-color:#d5d5d5;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#efefef;border-color:#ffffff;color:#333333;\">\n<h2><span id=\"jak_vybrat_penize_z_blockchainu\">Jak vybrat pen\u00edze z blockchainu<\/span><\/h2>\n<p><strong>P\u0159evod kryptom\u011bn na b\u011b\u017en\u00e9 pen\u00edze (fiat) m\u00e1 n\u011bkolik krok\u016f.<\/strong> C\u00edl je jednoduch\u00fd: prodat sv\u00e9 coiny za koruny \u010di eura a poslat \u010d\u00e1stku na bankovn\u00ed \u00fa\u010det. N\u00ed\u017ee najdete jasn\u00fd postup, praktick\u00e9 tipy i varov\u00e1n\u00ed, na co si d\u00e1t pozor.<\/p>\n<ul>\n<li><strong>Vyberte spr\u00e1vnou platformu \u2013 <\/strong>Nej\u010dast\u011bj\u0161\u00ed je <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/burza-pro-zacatecniky\/\" target=\"_blank\" rel=\"noopener\">kryptom\u011bnov\u00e1 burza<\/a> (nap\u0159. Binance, Kraken, Coinbase) nebo P2P tr\u017ei\u0161t\u011b, kde obchodujete p\u0159\u00edmo s ostatn\u00edmi lidmi. Alternativou jsou kryptobankomaty \u2013 ty umo\u017en\u00ed prodej za hotovost, ale \u010dasto s vy\u0161\u0161\u00edm poplatkem. U burzy sledujte podporovan\u00e9 m\u011bny, zp\u016fsoby v\u00fdb\u011bru (SEPA, karta), reputaci a z\u00e1kaznickou podporu.<\/li>\n<\/ul>\n<figure id=\"attachment_3425\" aria-describedby=\"caption-attachment-3425\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-3425 size-large\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/08\/Binance-fotka-1024x407.png\" alt=\"Krypto burza Binance\" width=\"750\" height=\"298\" srcset=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/08\/Binance-fotka-1024x407.png 1024w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/08\/Binance-fotka-300x119.png 300w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/08\/Binance-fotka-768x305.png 768w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/08\/Binance-fotka-1536x611.png 1536w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/08\/Binance-fotka-1568x623.png 1568w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/08\/Binance-fotka.png 1846w\" sizes=\"(max-width: 750px) 100vw, 750px\"><figcaption id=\"caption-attachment-3425\" class=\"wp-caption-text\">Binance je dlouhodob\u011b nejv\u011bt\u0161\u00ed burza pro blockchain projekty. Zdroj: binance<\/figcaption><\/figure>\n<ul>\n<li><strong>Registrace a KYC (ov\u011b\u0159en\u00ed identity) \u2013 <\/strong>Renomovan\u00e9 slu\u017eby vy\u017eaduj\u00ed ov\u011b\u0159en\u00ed toto\u017enosti. Nahrajete doklad, p\u0159\u00edpadn\u011b selfie a potvrzen\u00ed adresy. Jde o standardn\u00ed AML\/KYC proces. Bez n\u011bj b\u00fdvaj\u00ed limity n\u00edzk\u00e9 nebo v\u00fdb\u011br fiat v\u016fbec nefunguje. P\u0159ipravte si tak\u00e9 2FA ov\u011b\u0159en\u00ed (nap\u0159. aplikaci Authenticator) \u2013 zv\u00fd\u0161\u00edte tak bezpe\u010dnost \u00fa\u010dtu i v\u00fdb\u011br\u016f.<\/li>\n<li><strong>Po\u0161lete krypto na burzu a prodejte \u2013 <\/strong>V burze nebo <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/nejlepsi-krypto-smenarna\/\" target=\"_blank\" rel=\"noopener\">krypto sm\u011bn\u00e1rn\u011b<\/a> si zvol\u00edte spr\u00e1vnou s\u00ed\u0165 a vygenerujete vkladovou adresu. Z pen\u011b\u017eenky na ni ode\u0161lete krypto (pozor na s\u00ed\u0165 a memo\/tag u n\u011bkter\u00fdch minc\u00ed). Jakmile vklad doraz\u00ed a m\u00e1 pot\u0159ebn\u00e1 potvrzen\u00ed, v rozhran\u00ed zvol\u00edte prodej za fiat (market\/limit). Po proveden\u00ed obchodu m\u00e1te na \u00fa\u010dtu burzy koruny\/eura.<\/li>\n<li><strong>Nastav fiat v\u00fdb\u011br \u2013 <\/strong>P\u0159ejd\u011bte do sekce Withdrawal a vyberte bankovn\u00ed p\u0159evod (nap\u0159. SEPA). Zadejte \u010d\u00e1stku a \u010d\u00edslo \u00fa\u010dtu. Pe\u010dliv\u011b zkontrolujte IBAN i jm\u00e9no p\u0159\u00edjemce; chybn\u00fd \u00fadaj m\u016f\u017ee znamenat zdr\u017een\u00ed nebo vr\u00e1cen\u00ed platby. N\u011bkter\u00e9 <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/nejlepsi-aplikace-na-kryptomeny\/\" target=\"_blank\" rel=\"noopener\">nejlep\u0161\u00ed aplikace na kryptom\u011bny<\/a> podporuj\u00ed i platebn\u00ed karty \u010di rychl\u00e9 p\u0159evody \u2013 obvykle s vy\u0161\u0161\u00edm poplatkem.<\/li>\n<li><strong>Po\u010dkejte na zpracov\u00e1n\u00ed \u2013 <\/strong>Intern\u00ed kontrola burzy a bankovn\u00ed p\u0159evod mohou b\u00fdt okam\u017eit\u00e9, ale \u010dasto trvaj\u00ed od p\u00e1r minut po n\u011bkolik pracovn\u00edch dn\u00ed. Sledujte stav v\u00fdb\u011bru v historii \u00fa\u010dtu. Pokud se p\u0159evod zasekne, kontaktujte podporu a m\u011bjte p\u0159ipraven\u00e9 ID transakce a potvrzen\u00ed o prodeji.<\/li>\n<\/ul>\n<p><span data-sheets-root=\"1\"><\/span><\/p><\/div><\/div><\/span><\/p>\n<h3><span id=\"na_co_si_dat_pozor_poplatky_limity_bezpecnost\">Na co si d\u00e1t pozor (poplatky, limity, bezpe\u010dnost)<\/span><\/h3>\n<ul>\n<li><strong>Poplatky:<\/strong> Po\u010d\u00edtejte s poplatkem za obchod, p\u0159\u00edpadn\u011b za v\u00fdb\u011br na banku. P\u0159i <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/p2p-pro-kryptomeny-jak-to-funguje-a-kde-zacit\/\" target=\"_blank\" rel=\"noopener\">P2P<\/a> si hl\u00eddejte mar\u017ei a sm\u011bnn\u00fd kurz.<\/li>\n<li><strong>Limity:<\/strong> Ov\u011b\u0159en\u00ed \u00fa\u010dtu zvy\u0161uje denn\u00ed\/m\u011bs\u00ed\u010dn\u00ed limity. Bez KYC b\u00fdvaj\u00ed limity relativn\u011b n\u00edzk\u00e9.<\/li>\n<li><strong>Bezpe\u010dnost:<\/strong> Zapn\u011bte 2FA, hl\u00eddejte phishing a neklikejte na podez\u0159el\u00e9 odkazy. Velk\u00e9 \u010d\u00e1stky si rad\u0161i rozd\u011blte do v\u00edce v\u00fdb\u011br\u016f.<\/li>\n<li><strong>S\u00ed\u0165 a memo\/tag:<\/strong> U n\u011bkter\u00fdch kryptom\u011bn \u010di <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-to-shitcoin\/\" target=\"_blank\" rel=\"noopener\">shitcoin\u016f<\/a> je nutn\u00e9 zadat tag\/memo. Bez n\u011bj m\u016f\u017ee vklad uv\u00edznout a nemus\u00ed b\u00fdt proveden.<\/li>\n<li><strong>Bankovn\u00ed politika:<\/strong> N\u011bkter\u00e9 banky kryptoplatby prov\u011b\u0159uj\u00ed. M\u011bjte p\u0159ipraven\u00e9 podklady (nap\u0159. potvrzen\u00ed o obchodu) pro p\u0159\u00edpadn\u00e9 dotazy.<\/li>\n<\/ul>\n<p><strong>T\u00edmto postupem bezpe\u010dn\u011b prom\u011bn\u00edte kryptom\u011bnu na pen\u00edze na va\u0161em \u00fa\u010dtu.<\/strong> Z\u00e1kladem je volba spolehliv\u00e9 platformy, spr\u00e1vn\u00e9 zad\u00e1n\u00ed detail\u016f a trp\u011blivost p\u0159i zpracov\u00e1n\u00ed p\u0159evodu.<\/p>\n<h2><span id=\"blockchain_jako_investice\">Blockchain jako investice<\/span><\/h2>\n<p>Mo\u017enost\u00ed, jak se na blockchainu pod\u00edlet investi\u010dn\u011b, je v\u00edc. <strong>Obl\u00edben\u00fd je p\u0159\u00edm\u00fd n\u00e1kup kryptom\u011bn, zejm\u00e9na bitcoinu a etherea.<\/strong> T\u00edm z\u00edsk\u00e1te expozici na cenu samotn\u00e9 s\u00edt\u011b. Volit lze i akcie firem, kter\u00e9 vyv\u00edjej\u00ed nebo provozuj\u00ed blockchainov\u00e1 \u0159e\u0161en\u00ed (Coinbase, IBM, Hut 8, Riot atd.). Pro \u0161ir\u0161\u00ed z\u00e1b\u011br existuj\u00ed tematick\u00e9 fondy a ETF. Ty rozkl\u00e1daj\u00ed riziko mezi v\u00edce titul\u016f a usnad\u0148uj\u00ed spr\u00e1vu portfolia. Ka\u017ed\u00e1 cesta m\u00e1 jin\u00e9 n\u00e1klady, likviditu a da\u0148ov\u00e9 dopady. Vyplat\u00ed se proto porovnat poplatky, zp\u016fsob \u00faschovy i podporovan\u00e9 trhy (nap\u0159. rozd\u00edl mezi spot, ETF a akciemi).<\/p>\n<p>Hlavn\u00edmi l\u00e1kadly jsou decentralizace a transparentnost. Transakce prob\u00edhaj\u00ed bez prost\u0159edn\u00edk\u016f, obvykle nonstop a celosv\u011btov\u011b. <strong>Otev\u0159en\u00e1 \u00fa\u010detn\u00ed kniha umo\u017e\u0148uje ov\u011b\u0159it p\u0159evody b\u011bhem minut, nikoli dn\u016f.<\/strong> D\u00edky t\u011bmto vlastnostem klesaj\u00ed provozn\u00ed n\u00e1klady a roste tak dostupnost slu\u017eeb. T\u00edm blockchainy oslovuj\u00ed nejen jednotlivce, ale i instituce.<\/p>\n<p><strong>V posledn\u00edch letech vstoupily na trh firmy, kter\u00e9 dr\u017e\u00ed \u010d\u00e1st rezerv v Bitcoinu a nab\u00edzej\u00ed tzv. <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/nejlepsi-krypto-akcie\/\" target=\"_blank\" rel=\"noopener\">krypto akcie<\/a><\/strong> (nejv\u011bt\u0161\u00ed z nich je MicroStrategy, resp. Strategy). Z\u00e1jem ale projevuj\u00ed i banky a spr\u00e1vci majetku a paraleln\u011b vznikaj\u00ed tak\u00e9 pilotn\u00ed projekty digit\u00e1ln\u00edch m\u011bn centr\u00e1ln\u00edch bank (CBDC).<\/p>\n<figure id=\"attachment_4794\" aria-describedby=\"caption-attachment-4794\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-4794\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Krypto-akcie-firmy.png\" alt=\"TOP 10 bitcoin holding\u016f - co je blockchain\" width=\"750\" height=\"670\" srcset=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Krypto-akcie-firmy.png 842w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Krypto-akcie-firmy-300x268.png 300w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Krypto-akcie-firmy-768x686.png 768w\" sizes=\"(max-width: 750px) 100vw, 750px\"><figcaption id=\"caption-attachment-4794\" class=\"wp-caption-text\">TOP 10 bitcoin holding\u016f. Zdroj: threads.com<\/figcaption><\/figure>\n<p>Je v\u0161ak f\u00e9r dodat i odvr\u00e1cenou stranu. <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/jak-na-investice-do-kryptomen\/\" target=\"_blank\" rel=\"noopener\">Investice do kryptom\u011bn<\/a> jsou nevyzpytateln\u00e9. Kryptom\u011bny toti\u017e reaguj\u00ed na zpr\u00e1vy i regulaci (nap\u0159. zm\u011bny sazeb, pr\u00e1vn\u00ed spory atd.). <strong>Pr\u00e1vn\u00ed r\u00e1mec se li\u0161\u00ed podle zem\u00ed a vyv\u00edj\u00ed se a s\u00ed\u0165ov\u00e1 omezen\u00ed mohou zvy\u0161ovat poplatky a zpomalovat vypo\u0159\u00e1d\u00e1n\u00ed v obdob\u00edch \u0161pi\u010dky.<\/strong> U n\u011bkter\u00fdch s\u00edt\u00ed hraje roli i spot\u0159eba energie (PoW). Technologick\u00e1 rizika zahrnuj\u00ed \u00fatoky na burzy, phishing a ztr\u00e1tu p\u0159\u00edstupu k pen\u011b\u017eence.<\/p>\n<p>Rozumn\u00fd p\u0159\u00edstup proto kombinuje anal\u00fdzu i praxi. <strong>Pom\u00e1h\u00e1 diverzifikace mezi kryptom\u011bny a tradi\u010dn\u00ed instrumenty (nap\u0159. kombinace BTC\/ETH, akci\u00ed blockchain firem a t\u00e9matick\u00e9ho ETF)<\/strong>. U \u00faschovy zva\u017ete rozd\u011blen\u00ed mezi vlastn\u00ed pen\u011b\u017eenku (non-custodial) a renomovanou platformu. Zapn\u011bte dvoufaktorov\u00e9 ov\u011b\u0159en\u00ed, za\u010dn\u011bte men\u0161\u00ed \u010d\u00e1stkou a testujte v\u00fdb\u011bry. Sledujte poplatky a likviditu, zejm\u00e9na u men\u0161\u00edch token\u016f (spread, hloubka knihy) a u akci\u00ed a ETF zase zkoumejte expozici a metodiku indexu.<\/p>\n<h2><span id=\"blockchain_a_dane\">Blockchain a dan\u011b<\/span><\/h2>\n<p>Da\u0148ov\u00e9 povinnosti pat\u0159\u00ed k nej\u010dast\u011bji podce\u0148ovan\u00fdm t\u00e9mat\u016fm. <strong>V mnoha zem\u00edch, v\u010detn\u011b \u010ceska, se i zisk <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/kryptomeny-zdarma\/\" target=\"_blank\" rel=\"noopener\">kryptom\u011bny zdarma<\/a> posuzuje jako kapit\u00e1lov\u00fd p\u0159\u00edjem a p\u0159\u00edjem <\/strong><strong>p\u0159i prodeji (sm\u011bn\u011b na fiat) tak m\u016f\u017ee podl\u00e9hat dani z p\u0159\u00edjm\u016f.<\/strong> V n\u011bkter\u00fdch p\u0159\u00edpadech hraj\u00ed roli i pravidla DPH, z\u00e1le\u017e\u00ed v\u0161ak na povaze transakce. Rozhoduj\u00edc\u00ed jsou \u00fa\u010del, frekvence a objem obchod\u016f. Odli\u0161n\u011b se posuzuje dlouhodob\u00e9 dr\u017een\u00ed a odli\u0161n\u011b aktivn\u00ed trading. Podobnost s akciemi zde nen\u00ed n\u00e1hodn\u00e1 \u2013 i u krypta m\u00edv\u00e1 v\u00fdznam doba dr\u017eby a zp\u016fsob nabyt\u00ed (nov\u011b toti\u017e plat\u00ed hodnotov\u00fd i \u010dasov\u00fd test).<\/p>\n<figure id=\"attachment_4795\" aria-describedby=\"caption-attachment-4795\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-4795\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Daneni-kryptomen-ve-svete.png\" alt=\"Zdan\u011bn\u00ed kryptom\u011bn ve sv\u011bt\u011b.\" width=\"750\" height=\"644\" srcset=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Daneni-kryptomen-ve-svete.png 995w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Daneni-kryptomen-ve-svete-300x257.png 300w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Daneni-kryptomen-ve-svete-768x659.png 768w\" sizes=\"(max-width: 750px) 100vw, 750px\"><figcaption id=\"caption-attachment-4795\" class=\"wp-caption-text\">Kryptom\u011bny se v\u0161ude ve sv\u011bt\u011b dan\u00ed r\u016fzn\u011b. Zdroj: ckma.cz<\/figcaption><\/figure>\n<p>Dobr\u00e1 evidence je z\u00e1klad. <strong>Pom\u00e1h\u00e1 v\u00e9st si p\u0159ehled n\u00e1kup\u016f, prodej\u016f, poplatk\u016f a kurz\u016f v okam\u017eiku transakce.<\/strong> S t\u00edm v\u00e1m pomohou v\u00fdpisy z va\u0161\u00ed <a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/bitcoin-penezenka\/\" target=\"_blank\" rel=\"noopener\">bitcoin pen\u011b\u017eenky<\/a> a data z blockchain exploreru. Ka\u017ed\u00fd p\u0159evod m\u00e1 \u010dasov\u00e9 raz\u00edtko a lze jej zp\u011btn\u011b dohledat. Spr\u00e1vn\u00e1 dokumentace v\u00e1m usnadn\u00ed v\u00fdpo\u010det z\u00e1kladu dan\u011b i komunikaci s \u00fa\u0159ady.<\/p>\n<p><strong>Pravidla se vyv\u00edjej\u00ed a proto je vhodn\u00e9 nahl\u00e9dnout do aktu\u00e1ln\u00edch da\u0148ov\u00fdch p\u0159edpis\u016f a odborn\u00fdch metodik<\/strong>. U specifick\u00fdch situac\u00ed (staking, lending, airdropy, NFT) mohou platit odli\u0161n\u00e9 postupy. Smysl m\u00e1 i konzultace s poradcem \u2013 zejm\u00e9na p\u0159i vy\u0161\u0161\u00edch \u010d\u00e1stk\u00e1ch, p\u0159esunech mezi jurisdikcemi nebo p\u0159i podnik\u00e1n\u00ed. C\u00edlem je m\u00edt p\u0159ehled, vyhnout se chyb\u00e1m a zbyte\u010dn\u00fdm sankc\u00edm, a p\u0159itom neztr\u00e1cet v\u00fdhody, kter\u00e9 digit\u00e1ln\u00ed aktiva nab\u00edzej\u00ed.<\/p>\n<h2><span id=\"budoucnost_blockchainu\">Budoucnost blockchainu<\/span><\/h2>\n<p>Tlak na \u0161k\u00e1lov\u00e1n\u00ed a interoperabilitu posouv\u00e1 architektury \u0159et\u011bzc\u016f vp\u0159ed. <strong>\u0158e\u0161en\u00ed druh\u00fdch vrstev (Layer-2), mosty mezi s\u00edt\u011bmi a nov\u00e9 konsenzusn\u00ed postupy (nap\u0159. Proof-of-History, nulov\u00e9 znalosti \/ ZK) slibuj\u00ed vy\u0161\u0161\u00ed pr\u016fchodnost i ni\u017e\u0161\u00ed n\u00e1klady<\/strong>. V\u00fdvoj se soust\u0159ed\u00ed na rychlost, bezpe\u010dnost a u\u017eivatelskou jednoduchost \u2013 aby aplikace vypadaly \u201enorm\u00e1ln\u011b\u201c, i kdy\u017e b\u011b\u017e\u00ed na \u0159et\u011bzci. C\u00edlem je, aby technologie ustoupila do pozad\u00ed a z\u016fstal jen plynul\u00fd z\u00e1\u017eitek.<\/p>\n<figure id=\"attachment_4796\" aria-describedby=\"caption-attachment-4796\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-4796 size-large\" src=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Budoucnost-blockchainu-1024x530.png\" alt=\"Budoucnost blockchainu - co je blockchain\" width=\"750\" height=\"388\" srcset=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Budoucnost-blockchainu-1024x530.png 1024w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Budoucnost-blockchainu-300x155.png 300w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Budoucnost-blockchainu-768x397.png 768w, https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Budoucnost-blockchainu.png 1370w\" sizes=\"(max-width: 750px) 100vw, 750px\"><figcaption id=\"caption-attachment-4796\" class=\"wp-caption-text\">Budoucnost blockchainu je pln\u00e1 o\u010dek\u00e1v\u00e1n\u00ed. Zdroj: 101blockchains.com<\/figcaption><\/figure>\n<p>Roste i institucion\u00e1ln\u00ed adopce. <strong>Banky testuj\u00ed vypo\u0159\u00e1d\u00e1n\u00ed a \u00faschovu aktiv na blockchainu, firmy buduj\u00ed intern\u00ed registry a sledov\u00e1n\u00ed tok\u016f zbo\u017e\u00ed.<\/strong> Spr\u00e1vci majetku p\u0159in\u00e1\u0161ej\u00ed produkty s expozic\u00ed na krypto a tokenizovan\u00e1 aktiva. St\u00e1ty zkoumaj\u00ed digit\u00e1ln\u00ed m\u011bny centr\u00e1ln\u00edch bank a vyu\u017eit\u00ed pro ve\u0159ejn\u00e9 registry. Postupn\u011b se rod\u00ed infrastrukturn\u00ed vrstvy pro identitu, logistiku a e-government.<\/p>\n<p>Z\u00e1rove\u0148 s\u00edl\u00ed d\u016fraz na vzd\u011bl\u00e1v\u00e1n\u00ed a ochranu u\u017eivatel\u016f. <strong>Transparentn\u00ed \u00fa\u010detn\u00ed kniha pom\u00e1h\u00e1 v d\u016fv\u011b\u0159e, ale vy\u017eaduje spr\u00e1vn\u00e9 n\u00e1vyky: bezpe\u010dnou spr\u00e1vu kl\u00ed\u010d\u016f, pr\u00e1ci s poplatky, porozum\u011bn\u00ed soukrom\u00ed.<\/strong> Jak p\u0159ib\u00fdv\u00e1 \u00fasp\u011b\u0161n\u00fdch p\u0159\u00edpad\u016f nasazen\u00ed \u2013 od charit p\u0159es zdravotnictv\u00ed a\u017e po ve\u0159ejn\u00fd sektor \u2013 miz\u00ed bari\u00e9ry vn\u00edm\u00e1n\u00ed. Je pravd\u011bpodobn\u00e9, \u017ee \u010d\u00e1st budouc\u00edch aplikac\u00ed pob\u011b\u017e\u00ed na blockchainu, ani\u017e by si toho u\u017eivatel v\u0161iml.<\/p>\n<h2><span id=\"zaver\">Z\u00e1v\u011br<\/span><\/h2>\n<p><strong>Blockchain je podle n\u011bkter\u00fdch a\u017e p\u0159elomov\u00e1 technologie, skrze kterou je mo\u017en\u00e9 pos\u00edlat kapit\u00e1l p\u0159es cel\u00fd sv\u011bt s velmi n\u00edzk\u00fdmi a\u017e t\u00e9m\u011b\u0159 nulov\u00fdmi n\u00e1klady<\/strong>. Jedn\u00e1 se o otev\u0159enou \u00fa\u010detn\u00ed knihu, kter\u00e1 zaznamen\u00e1v\u00e1 transakce a do kter\u00e9 se postupn\u011b p\u0159id\u00e1vaj\u00ed nov\u00e9 bloky. V tomto \u010dl\u00e1nku jsme pro v\u00e1s popsali, co to blockchain je a jak funguje, kdy vznikl a tak\u00e9 se pobavili o jeho budoucnosti.<\/p>\n<h2><span id=\"casto_kladene_otazky\">\u010casto kladen\u00e9 ot\u00e1zky<\/span><\/h2>\n<div class=\"man_faq_sec\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\"><script>jQuery(document).ready(function() {\n\t\t\t\t\t\t\t\tjQuery(\".accordionButton\").click(function() {\n\t\t\t\t\t\t\t\t\tjQuery(\".accordionButton\").removeClass(\"on\");\n\t\t\t\t\t\t\t\t\tjQuery(\".accordionContent\").slideUp(\"normal\");\n\t\t\t\t\t\t\t\t\tif(jQuery(this).next().is(\":hidden\") == true) {\n\t\t\t\t\t\t\t\t\t\tjQuery(this).addClass(\"on\");\n\t\t\t\t\t\t\t\t\t\tjQuery(this).next().slideDown(\"normal\");\n\t\t\t\t\t\t\t\t\t } \n\t\t\t\t\t\t\t\t\t  \n\t\t\t\t\t\t\t\t });\n\t\t\t\t\t\t\t\t });\n\t\t\t\t\t\t\t<\/script><section class=\"ms_faq ms_card \"><div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><div class=\"accordionButton\"><h3 itemprop=\"name\">Co je to blockchain (technologie)?<\/h3> <\/div>\n<div class=\"accordionContent\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"display:none;\"><p itemprop=\"text\">Blockchain je decentralizovan\u00e1 digit\u00e1ln\u00ed datab\u00e1ze (\u00fa\u010detn\u00ed kniha), kter\u00e1 v s\u00edti po\u010d\u00edta\u010d\u016f pr\u016fb\u011b\u017en\u011b zaznamen\u00e1v\u00e1 data. Ka\u017ed\u00e1 transakce \u010di z\u00e1znam se ulo\u017e\u00ed do bloku a v\u0161echny bloky se propoj\u00ed do chronologick\u00e9ho \u0159et\u011bzce. T\u00edmto zp\u016fsobem blockchain zaji\u0161\u0165uje, \u017ee ulo\u017een\u00e1 data nelze zp\u011btn\u011b m\u011bnit ani fal\u0161ovat.<\/p>\n                <\/div><\/div><\/section>\n<section class=\"ms_faq ms_card \"><div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><div class=\"accordionButton\"><h3 itemprop=\"name\">Jak funguje blockchain?<\/h3> <\/div>\n<div class=\"accordionContent\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"display:none;\"><p itemprop=\"text\">V blockchainu u\u017eivatel\u00e9 prov\u00e1d\u011bj\u00ed transakce, kter\u00e9 uzly (po\u010d\u00edta\u010de v s\u00edti) zabal\u00ed do blok\u016f. Ka\u017ed\u00fd blok je \u0161ifrovan\u011b prov\u00e1z\u00e1n s p\u0159edchoz\u00edm hashem a n\u00e1sledn\u011b ov\u011b\u0159en konsenzem s\u00edt\u011b (nej\u010dast\u011bji Proof-of-Work nebo Proof-of-Stake). Po potvrzen\u00ed se nov\u00fd blok p\u0159ipoj\u00ed k \u0159et\u011bzci. V\u0161echny uzly dr\u017e\u00ed kopii blockchainu, tak\u017ee jak\u00e1koliv zm\u011bna by vy\u017eadovala souhlas v\u011bt\u0161iny.<\/p>\n                <\/div><\/div><\/section>\n<section class=\"ms_faq ms_card \"><div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><div class=\"accordionButton\"><h3 itemprop=\"name\">Jak funguje Bitcoin (BTC)?<\/h3> <\/div>\n<div class=\"accordionContent\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"display:none;\"><p itemprop=\"text\">Bitcoin je prvn\u00ed kryptom\u011bna zalo\u017een\u00e1 na blockchainu. U\u017eivatel\u00e9 ji pos\u00edlaj\u00ed prost\u0159ednictv\u00edm sv\u00e9 bitcoinov\u00e9 pen\u011b\u017eenky, kter\u00e1 spou\u0161t\u00ed transakce do bitcoinov\u00e9 s\u00edt\u011b. S\u00ed\u0165 Bitcoin pou\u017e\u00edv\u00e1 konsenzus Proof-of-Work: ka\u017ed\u00fdch p\u0159ibli\u017en\u011b 10 minut t\u011b\u017ea\u0159i uzav\u0159ou nov\u00fd blok transakc\u00ed t\u00edm, \u017ee vylu\u0161t\u00ed slo\u017eit\u00fd hashovac\u00ed \u00fakol. Ten, kdo \u00fakol vy\u0159e\u0161\u00ed, z\u00edsk\u00e1 odm\u011bnu v nov\u011b vytvo\u0159en\u00fdch bitcoinech a v\u0161echny poplatky z transakc\u00ed. Nov\u00fd blok se pak p\u0159id\u00e1 do bitcoinov\u00e9ho blockchainu. T\u00edm je transakce potvrzena a nelze ji pozd\u011bji m\u011bnit, proto\u017ee blok obsahuje hash bloku p\u0159edchoz\u00edho<\/p>\n                <\/div><\/div><\/section>\n<section class=\"ms_faq ms_card \"><div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><div class=\"accordionButton\"><h3 itemprop=\"name\">Co je to blockchain explorer?<\/h3> <\/div>\n<div class=\"accordionContent\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"display:none;\"><p itemprop=\"text\">Blockchain explorer je internetov\u00e1 slu\u017eba (n\u00e1stroj) pro prohl\u00ed\u017een\u00ed blockchainu. Umo\u017e\u0148uje vid\u011bt stav ve\u0159ejn\u00e9 s\u00edt\u011b \u2013 m\u016f\u017eete sledovat nov\u00e9 bloky, zkontrolovat konkr\u00e9tn\u00ed transakce \u010di zobrazit z\u016fstatek jak\u00e9koli adresy. Explorer funguje jako vyhled\u00e1va\u010d pro blockchain: zad\u00e1te hash nebo adresu a ihned vid\u00edte podrobnosti transakce \u010di historie.<\/p>\n                <\/div><\/div><\/section>\n<h2><span id=\"souvisejici_clanky\">Souvisej\u00edc\u00ed \u010dl\u00e1nky<\/span><\/h2>\n<ul>\n<li><a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/nejlepsi-defi-coins\/\" target=\"_blank\" rel=\"noopener\">https:\/\/icobench.com\/cz\/kryptomeny\/nejlepsi-defi-coins\/<\/a><\/li>\n<li><a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/jak-na-investice-do-kryptomen\/\" target=\"_blank\" rel=\"noopener\">https:\/\/icobench.com\/cz\/kryptomeny\/jak-na-investice-do-kryptomen\/<\/a><\/li>\n<li><a href=\"https:\/\/icobench.com\/cz\/kryptomeny\/nejlepsi-burzy-bez-kyc\/\" target=\"_blank\" rel=\"noopener\">https:\/\/icobench.com\/cz\/kryptomeny\/nejlepsi-burzy-bez-kyc\/<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Blockchain je jednou z nejinovativn\u011bj\u0161\u00edch technologi\u00ed tohoto stolet\u00ed. V tomto \u010dl\u00e1nku zjist\u00edte, co je blockchain, jak funguje a kdy&#8230;<\/p>\n","protected":false},"author":187,"featured_media":4776,"parent":110,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-4769","page","type-page","status-publish","has-post-thumbnail","hentry","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Co je blockchain: kompletn\u00ed pr\u016fvodce technologi\u00ed 2026<\/title>\n<meta name=\"description\" content=\"Co je blockchain a jak funguje? Objevte z\u00e1klady technologie, historii, vyu\u017eit\u00ed v kryptom\u011bn\u00e1ch i byznysu a budoucnost blockchainu v roce 2026.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Co je blockchain: kompletn\u00ed pr\u016fvodce technologi\u00ed 2026\" \/>\n<meta property=\"og:description\" content=\"Co je blockchain a jak funguje? Objevte z\u00e1klady technologie, historii, vyu\u017eit\u00ed v kryptom\u011bn\u00e1ch i byznysu a budoucnost blockchainu v roce 2026.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/\" \/>\n<meta property=\"og:site_name\" content=\"Czech\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-15T10:13:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Bez-nazvu-23.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1388\" \/>\n\t<meta property=\"og:image:height\" content=\"782\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"21 minut\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/\",\"url\":\"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/\",\"name\":\"Co je blockchain: kompletn\u00ed pr\u016fvodce technologi\u00ed 2026\",\"isPartOf\":{\"@id\":\"https:\/\/icobench.com\/cz\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Bez-nazvu-23.png\",\"datePublished\":\"2025-09-29T10:37:05+00:00\",\"dateModified\":\"2025-12-15T10:13:21+00:00\",\"description\":\"Co je blockchain a jak funguje? Objevte z\u00e1klady technologie, historii, vyu\u017eit\u00ed v kryptom\u011bn\u00e1ch i byznysu a budoucnost blockchainu v roce 2026.\",\"breadcrumb\":{\"@id\":\"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/#breadcrumb\"},\"inLanguage\":\"cs\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/#primaryimage\",\"url\":\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Bez-nazvu-23.png\",\"contentUrl\":\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Bez-nazvu-23.png\",\"width\":1388,\"height\":782},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\u016f\",\"item\":\"https:\/\/icobench.com\/cz\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Nejlep\u0161\u00ed kryptom\u011bny k n\u00e1kupu v 2026\",\"item\":\"https:\/\/icobench.com\/cz\/kryptomeny\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Co je blockchain? Kompletn\u00ed pr\u016fvodce pro za\u010d\u00e1te\u010dn\u00edky 2025\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/icobench.com\/cz\/#website\",\"url\":\"https:\/\/icobench.com\/cz\/\",\"name\":\"ICOBench CZ\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/icobench.com\/cz\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/icobench.com\/cz\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"cs\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/icobench.com\/cz\/#organization\",\"name\":\"Clickout\",\"url\":\"https:\/\/icobench.com\/cz\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\/\/icobench.com\/cz\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/icobench_1-300x88-1.png\",\"contentUrl\":\"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/icobench_1-300x88-1.png\",\"width\":300,\"height\":88,\"caption\":\"Clickout\"},\"image\":{\"@id\":\"https:\/\/icobench.com\/cz\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Co je blockchain: kompletn\u00ed pr\u016fvodce technologi\u00ed 2026","description":"Co je blockchain a jak funguje? Objevte z\u00e1klady technologie, historii, vyu\u017eit\u00ed v kryptom\u011bn\u00e1ch i byznysu a budoucnost blockchainu v roce 2026.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/","og_locale":"cs_CZ","og_type":"article","og_title":"Co je blockchain: kompletn\u00ed pr\u016fvodce technologi\u00ed 2026","og_description":"Co je blockchain a jak funguje? Objevte z\u00e1klady technologie, historii, vyu\u017eit\u00ed v kryptom\u011bn\u00e1ch i byznysu a budoucnost blockchainu v roce 2026.","og_url":"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/","og_site_name":"Czech","article_modified_time":"2025-12-15T10:13:21+00:00","og_image":[{"width":1388,"height":782,"url":"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Bez-nazvu-23.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"21 minut"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/","url":"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/","name":"Co je blockchain: kompletn\u00ed pr\u016fvodce technologi\u00ed 2026","isPartOf":{"@id":"https:\/\/icobench.com\/cz\/#website"},"primaryImageOfPage":{"@id":"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/#primaryimage"},"image":{"@id":"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/#primaryimage"},"thumbnailUrl":"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Bez-nazvu-23.png","datePublished":"2025-09-29T10:37:05+00:00","dateModified":"2025-12-15T10:13:21+00:00","description":"Co je blockchain a jak funguje? Objevte z\u00e1klady technologie, historii, vyu\u017eit\u00ed v kryptom\u011bn\u00e1ch i byznysu a budoucnost blockchainu v roce 2026.","breadcrumb":{"@id":"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/#breadcrumb"},"inLanguage":"cs","potentialAction":[{"@type":"ReadAction","target":["https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/"]}]},{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/#primaryimage","url":"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Bez-nazvu-23.png","contentUrl":"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Bez-nazvu-23.png","width":1388,"height":782},{"@type":"BreadcrumbList","@id":"https:\/\/icobench.com\/cz\/kryptomeny\/co-je-blockchain\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Dom\u016f","item":"https:\/\/icobench.com\/cz\/"},{"@type":"ListItem","position":2,"name":"Nejlep\u0161\u00ed kryptom\u011bny k n\u00e1kupu v 2026","item":"https:\/\/icobench.com\/cz\/kryptomeny\/"},{"@type":"ListItem","position":3,"name":"Co je blockchain? Kompletn\u00ed pr\u016fvodce pro za\u010d\u00e1te\u010dn\u00edky 2025"}]},{"@type":"WebSite","@id":"https:\/\/icobench.com\/cz\/#website","url":"https:\/\/icobench.com\/cz\/","name":"ICOBench CZ","description":"","publisher":{"@id":"https:\/\/icobench.com\/cz\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/icobench.com\/cz\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"cs"},{"@type":"Organization","@id":"https:\/\/icobench.com\/cz\/#organization","name":"Clickout","url":"https:\/\/icobench.com\/cz\/","logo":{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/icobench.com\/cz\/#\/schema\/logo\/image\/","url":"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/icobench_1-300x88-1.png","contentUrl":"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2024\/12\/icobench_1-300x88-1.png","width":300,"height":88,"caption":"Clickout"},"image":{"@id":"https:\/\/icobench.com\/cz\/#\/schema\/logo\/image\/"}}]}},"featured_image_src":"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Bez-nazvu-23-600x400.png","featured_image_src_square":"https:\/\/icobench.com\/cz\/wp-content\/uploads\/sites\/11\/2025\/09\/Bez-nazvu-23-600x600.png","_links":{"self":[{"href":"https:\/\/icobench.com\/cz\/wp-json\/wp\/v2\/pages\/4769","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/icobench.com\/cz\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/icobench.com\/cz\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/icobench.com\/cz\/wp-json\/wp\/v2\/users\/187"}],"replies":[{"embeddable":true,"href":"https:\/\/icobench.com\/cz\/wp-json\/wp\/v2\/comments?post=4769"}],"version-history":[{"count":21,"href":"https:\/\/icobench.com\/cz\/wp-json\/wp\/v2\/pages\/4769\/revisions"}],"predecessor-version":[{"id":6143,"href":"https:\/\/icobench.com\/cz\/wp-json\/wp\/v2\/pages\/4769\/revisions\/6143"}],"up":[{"embeddable":true,"href":"https:\/\/icobench.com\/cz\/wp-json\/wp\/v2\/pages\/110"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/icobench.com\/cz\/wp-json\/wp\/v2\/media\/4776"}],"wp:attachment":[{"href":"https:\/\/icobench.com\/cz\/wp-json\/wp\/v2\/media?parent=4769"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}