Openchat primarily defines blockchain-based chat protocol bimp. On the traditional XMPP protocol, a digital asset can be transmitted in various IM functions, and the temporary landing project is beechat. Beechat is a blockchain based mobile phone communication application. With unique de-centric distributed technology, highly secure encryption services ensure free global chat, with a population of up to 30000 people. It is also based on quantum chain Blockchain technology, supporting Btc,eth,qtum's mobile wallet, red envelope transfer and chat as simple and fast. Chatcoin, abbreviated as chat, is used in Chat tools to distribute red envelopes, rewards, paid to enter the small bee circle and other services content.