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A blockchain-based notary selection method and system

A notary, blockchain technology, applied in the blockchain cross-chain field

Active Publication Date: 2020-06-19
卓尔智联(武汉)研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the consortium chain or public chain system, the participation of the notary role is not determined by the cross-chain chain system, and there is currently no plan to select a notary from within the chain system

Method used

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  • A blockchain-based notary selection method and system
  • A blockchain-based notary selection method and system
  • A blockchain-based notary selection method and system

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Experimental program
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Embodiment Construction

[0057] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0058] figure 1 A blockchain-based notary selection method provided for the embodiment of this application may include the following steps:

[0059] S100. Obtain the cross-chain information of both parties to the cross-chain transaction, the cross-chain information includes the first cross-chain type of the first current chain and the second cross-chain type of the second current chain that are currently subject to cross-chain operations, the first current The first current node nu...

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Abstract

The invention provides a notarization person selection method and system based on a block chain. The method comprises the steps of obtaining a current cross-chain operation type; querying a historicalrecord on the chain to obtain a historical cross-chain operation consistent with the current cross-chain operation type; obtaining the current nominator node number of the current chain according tothe historical node number and the historical nominator node number in the historical cross-chain operation; selecting the current nominator node from candidate nominators of the current chain as a node for witnessing the current cross-chain operation according to the number of the current nominator nodes; performing signature verification on the obtained current nominator node; the transaction ofthe current cross-chain service is carried out; all the current noticer nodes witness and record a cross-chain result; according to the method, the non-tampered evidence storage characteristic in theblockchain node is utilized to determine the noticer node with credibility from the interior of the chain system to be subjected to the cross-chain operation, and the related cross-chain service transaction is witnessed and recorded, so that the successful transaction of the cross-chain service is realized, and the problem that a trusted third party must participate in the cross-chain transactionis solved.

Description

technical field [0001] This application relates to the field of blockchain cross-chain technology, in particular to a blockchain-based notary selection method and system. Background technique [0002] Among the many problems faced by the blockchain, the interoperability between blockchains greatly limits the application space of the blockchain. Regardless of whether it is a public chain or a private chain, cross-chain technology is the key to realizing the value Internet. It is a good medicine to save the blockchain from scattered islands, and it is a bridge for the expansion and connection of the blockchain. [0003] Current mainstream cross-chain technologies include Notary schemes, Sidechains / relays, Hash-locking and Distributed private key control. As a kind of cross-chain technology, the notary mechanism is essentially an intermediary method, that is, assuming that blockchain A and blockchain B themselves cannot directly interoperate, they can be connected by introduci...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/64G06Q20/38
CPCG06F21/64G06Q20/382
Inventor 蔡天琪邓承
Owner 卓尔智联(武汉)研究院有限公司