Regulation of blockchain confidential transactions

摘要

Implementations of the present disclosure include obtaining a public key of a regulator node, by a client node of the blockchain network; Generating, by the client node, one or more commitment values of the confidential transaction of the client node by applying a cryptographic commitment scheme to the transaction data of the confidential transaction; Encrypting the transaction data using the public key of the regulator node to generate encrypted regulation information of the confidential transaction, by the client node; And sending, by the client node, to the consensus node of the blockchain network, the contents of the confidential transaction for execution, wherein the contents of the confidential transaction include one or more commitment values; Encrypted regulatory information; And one or more proofs of zero knowledge of the transaction data.