Wrapped Bitcoin Tokens (WBTC) is an ERC20 token fully backed by real BTC. The proof of reserves is on-chain, showing the exact 1:1 ratio between minted WBTC tokens and BTC stored by the custodians. A collaborative effort with a community of partners to bring Bitcoin to the Ethereum network will bring the stability and value of Bitcoin to Ethereum's expansive ecosystem of decentralized applications.
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.