Blockchain content supervision method and system

Abstract

The invention relates to a blockchain content supervision method and system, and the method comprises the steps: S1, carrying out the initialization configuration of a blockchain, and adding a selective hidden Hash sequence and a supervision conclusion signature transaction in a block data structure of the supervised blockchain, adding a transaction id record which is written into a WorldState world state recently in an access interface provided by a contract container, deploying a supervision contract and a contract method on the supervised block chain; S2, enabling the supervision system toexamine transaction contents of a current block and a historical block in the supervised block chain, generate a supervision conclusion, and construct a supervision conclusion signature transaction according to the supervision conclusion; and S3, after the supervision conclusion signature transaction is output from the block, enabling all networking nodes to execute the supervision conclusion signature transaction, and call the contract method to shield violation content in the block. According to the invention, the integrity of other compliant transaction contents and block contents can stillbe verified after the illegal transaction contents are hidden, and the implementation cost is low.

Description

technical field [0001] The present invention relates to the technical field of block chain supervision, in particular to a method and system for supervising block chain content. Background technique [0002] Through the connection between the block Hash, the block chain technology realizes the non-tamperable content of the verifiable block, which serves as the basis for the verification and establishment of trust of all parties involved in the transaction. On the other hand, once the content of the block contains illegal content (including but not limited to sensitive content, private information, bad content, etc. in text, pictures, audio and video or their links), the non-tamperable feature will lead to The persistent exposure and proliferation of such illegal content is one of the difficulties faced by blockchain supervision. [0003] In this regard, Accenture applied the characteristics of chameleon hashing and applied for a patent on editable blockchain. This method u...

AI Technical Summary

Problems solved by technology

[0004] For a blockchain that adopts a non-competitive consensus, the number of nodes participating in the consensus is small, and it is only necessary to block the propagation of the illegal content from the consensus node that owns the content to a large number of non-consensus networking nodes to resolve the illegal content Persistent exposure and diffusion problems, but when the number of nodes participating in the consensus is large, the applicability is low

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