I am a blockchain developer, consultant, and technical writer. Owner of Bitfalls.com and Coinvendor.io. Consulted at dozens of ICOs and non-ICO companies, developed many smart contract projects. Cryptocurrency investor. Previously in web development for 10 years, full time in blockchain since 2016. Frequent conference speaker, tech track lead at Blockchain Innovation Conference Netherlands and founder of Bločk - the North-Croatian blockchain development conference. Lecturer and course writer at Smartninja, SitePoint, and various blockchain academies.