Block Link (LK for short), Block Link is a blockchain project based on big data communication and social networking, and it is also a cryptocurrency project. Based on the distributed underlying architecture of the blockchain, Lianxun has built a communication and social platform based on Internet data security and encryption, providing secure, anonymous, and unique key-certified communication and social services, and has developed a social privacy security based on Lianxin smart contracts. Encrypted gateway. It is a cryptocurrency based on the POWB consensus. It was born in December 2018 with a total of 1 billion pieces. Block Link's big data communication and social networking aims to create a complete encrypted communication ecosystem integrating "video, communication, and social networking".