Alliance chain account management method and device, equipment and storage medium

The invention discloses an account management method and device for an alliance chain, equipment and a storage medium, and belongs to the technical field of block chains. The method comprises the following steps: in response to an on-chain account loss reporting transaction request which is initiated by an alliance chain user node and comprises identity information of a target user, determining a target on-chain account of the target user according to the identity information, and freezing the target on-chain account; verifying the legality of an account certificate associated with the account on the target chain or the legality of an account certificate of a hosting party of the account on the target chain; and if the verification result is legal, updating the on-chain account information of the target on-chain account according to the new external account address of the target user and the identity information, and unfreezing the target on-chain account. According to the technical scheme, the problem that t