Trusted anonymous management method for associated records of primary account

The invention discloses a credible anonymous management method for a primary account association record. The method comprises the following steps: firstly, registering a ring public and private key pair by an association account enterprise; a user registers a block chain account; the operator generates a registration identifier according to the account address and the main account by using a secure hash function and signs the registration identifier; when a user registers an associated account, the user provides a registration identifier, a signature and D-H parameters for an enterprise; the enterprise verifies the signature, calculates an associated information abstract by using a secure HMAC function, signs an associated registration information ring, and sends the signed associated registration information ring to the user; the user verifies the associated information abstract and the ring signature, signs the associated registration information and sends the signed associated registration information to t