Patent ID: 11893139
Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 17:
18. The user node according to claim 16, wherein:
the blockchain includes a plurality of sub-blockchains, each sub-blockchain having a sub-blockchain identifier,
the transmitting the blockchain data to a content security module further comprises:
transmitting the blockchain data together with a sub-blockchain identifier of a sub-blockchain where the blockchain data is located to the content security device, and

the filtering out the content in the blockchain data based on the filtering rule further comprises:
searching a pre-stored table of a correspondence between sub-blockchain identifiers and filtering rules based on the sub-blockchain identifier to obtain a filtering rule corresponding to the sub-blockchain identifier; and
filtering out the content in the blockchain data based on the filtering rule corresponding to the sub-blockchain identifier.