HitBTC is the most advanced Bitcoin exchange.
yoyow.org is a Blockchain-based social media platform developed by senior members of China Bitshares community. yoyow intends to become the blockchain version of Facebook, Quora and Zhihu, it uses a new consensus algorithm – PoF (proof of flow) to reward content creators, curators and third party platforms. Unlike its competitors, yoyow provides full toolkit for content compliance. But yet, it is still a fully decentralized blockchain content platform.