Patent ID: 11876861
Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC G  H  Y | IPC G  H

Claim 15:
16. The data management method according to claim 12, further comprising:
receiving a subscription success response or a subscription failure response from the data provider corresponding to a blockchain network node pointed to by a target address of a currently executed sub-contract,
wherein the subscription success response is returned by the data provider corresponding to the blockchain network node pointed to by the target address of the currently executed sub-contract in a case where the requested data is determined to exist based on a subscription request that is received, and the subscription failure response is returned by the data provider corresponding to the blockchain network node pointed to by the target address of the currently executed sub-contract in a case where the requested data is determined not to exist based on the subscription request that is received.