Social chain (SNC) is a decentralized encrypted digital asset based on blockchain technology. Users who hold social chain (SNC) can be safe on any computer connected to the Internet in any country in the world. Trading. Decentralization features and algorithms can ensure that the value of the currency cannot be artificially manipulated by creating a large number of social chains (SNC). The design based on cryptography can enable the social chain (SNC) to be transferred or paid only by the real owner, ensuring that the social chain (SNC) ) The anonymity of ownership and circulation transactions.