Patent ID: 11902446
Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 7:
8. The method according to claim 6, wherein the determining whether the output item to which the input item of the transaction information in the target data block is linked is already linked to the input item of the transaction information in the data block recorded on the blockchain before the target data block is recorded on the blockchain comprises:
querying an occupancy status corresponding to the output item of the transaction information in the another data block to which the input item of the transaction information in the target data block is linked, and determining that the verification result is ‘Not Passed’ based on the occupancy status indicating an occupied state; otherwise, the verification result is ‘Passed’,
the method further comprising, after the transmitting the target data block to the other accounting nodes:
setting an occupancy status corresponding to the output item of the transaction information in the target data block, to indicate an unoccupied state; and
setting the occupancy status corresponding to the output item of the transaction information in the another data block to which the input item of the transaction information in the target data block is linked, to indicate the occupied state.