Partitioned blockchain network and method of realizing partition consensus thereby

Abstract

The application discloses a partitioned blockchain network. The network is formed by multiple nodes; part or all of the nodes are divided into one or more partitions according to visible authority ofeach node on different transaction data; the transaction data inside the same partition are completely visible to the inside of the same partition, and the transaction data in the partition are invisible to the other different partitions; all the nodes are also classified according to authority of each node on participating in consensus processes: the nodes which can participate in the consensus processes of all the partitions are global consensus nodes, the nodes which can only participate in the consensus processes of the local partitions are partition consensus nodes, and the nodes which cannot participate in any consensus process are synchronization nodes; and transaction data waiting for confirmation are verified only by the global consensus nodes and the partition consensus nodes ofthe local partition. According to the network, a range of the nodes participating in the consensus processes is limited through partitioning and classifying all the nodes in the blockchain network, thus a spreading range of the transaction data waiting for confirmation is enabled to be greatly reduced, and a data privacy protection effect is improved.

Description

technical field [0001] The present application relates to a blockchain technology, and in particular to a consensus mechanism in which transaction data / candidate blocks awaiting confirmation are verified. Background technique [0002] In the "White Paper on China's Blockchain Technology and Application Development" issued by the Ministry of Industry and Information Technology on October 18, 2016, the blockchain is defined as a kind of participant who does not need to participate in the intermediary and can also rely on mutual distrust or weak trust. A technology that maintains a set of non-tamperable ledger records. First of all, the blockchain is a chain-like data structure with blocks as the unit, and each block is linked with the previous block through cryptographic proof, such as figure 1 shown. Secondly, the blockchain is a distributed ledger shared by the entire network. In many scenarios, the two technical terms blockchain and distributed ledger have the same meani...

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Problems solved by technology

Unauthorized nodes can only obtain encrypted transaction data, which cannot be decrypted due to the lack of decryption parameters

The disadvantage of this scheme is that all transaction data is still broadcast to all nodes in the blockchain. Although only specific authorized nodes can decrypt it, the summary of the trans

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