Patent ID: 11924358
Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. The method according to claim 1, wherein a blockchain comprises a plurality of sub-blockchains, and the generating a public key and a private key of the node for the node comprises:
generating, for the node, a public key and a private key of the node that are on a to-be-registered sub-blockchain;
the registration information comprises the to-be-registered sub-blockchain;
the obtaining a registration information authentication policy corresponding to the node from the authentication policy module comprises:
obtaining a registration information authentication policy corresponding to the to-be-registered sub-blockchain from the authentication policy module;
the authenticating the registration information based on the registration information authentication policy corresponding to the node comprises:
authenticating the registration information on the to-be-registered sub-blockchain based on the registration information authentication policy corresponding to the to-be-registered sub-blockchain; and
the plaintext information comprises a public key on a sub-blockchain on which authentication succeeds.