Anti-money laundering (AML), as an important measure to ensure financial security and social stability, has attracted more and more attention. However, due to customer privacy protection, market competition, and other reasons, the current regulatory authorities and financial institutions have not yet formed a customer information sharing mechanism, which makes it difficult to monitor suspicious transactions. In paper, we use the distributed digital identity based on the blockchain to improve over the traditional know your customer (KYC) authent...
