China: National Information Security Standardisation Technical Committee closes consultation on standard security requirements for blockchain consensus mechanisms

On 10 February 2026, the National Information Security Standardisation Technical Committee (TC260) closes a consultation on its standard on security requirements for blockchain consensus mechanisms. The standard sets out security requirements for blockchain consensus mechanisms, which ensure that consensus nodes agree on a series of orderly transaction sequences, thus enabling consistent transaction data. The standard describes the operation of different types of consensus mechanisms, sets out security objectives, and describes security requirements for different components.