Patent ID: 11943373
Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC H

Claim 6:
7. The method according to claim 1, wherein the issuing a second identity certificate to the first terminal through the second-tier certificate authority node further comprises:
performing authentication on the registration information by using the second-tier certificate authority node;
generating a public key and a private key of the second terminal for the second terminal when the authentication succeeds;
generating the second identity certificate for the second terminal, the second identity certificate comprising the public key of the second terminal; and
transmitting the second identity certificate and the private key of the second terminal to the first terminal, so that the first terminal forwards the second identity certificate and the private key of the second terminal to the second terminal, the second identity certificate and the private key of the second terminal being used for communication between the second terminal and another blockchain node in the blockchain network.