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An Improved Ripple Consensus Method for Non-Permissioned Chains

A consensus, legal person technology, applied in the blockchain field, can solve problems such as difficulty in ensuring network security and activity, and inapplicability to weakly synchronous network environments

Active Publication Date: 2022-03-15
HARBIN INST OF TECH +1
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Problems solved by technology

[0005] In view of the above problems, the present invention proposes an improved Ripple consensus method suitable for non-licensed chains to solve the problem that the existing Ripple consensus protocol is difficult to ensure the security and activity of the network, and is not applicable to weak The problem of synchronous network environment

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  • An Improved Ripple Consensus Method for Non-Permissioned Chains

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[0046] In order to enable those skilled in the art to better understand the solutions of the present invention, exemplary implementations or embodiments of the present invention will be described below in conjunction with the accompanying drawings. Apparently, the described embodiments or examples are only part of the embodiments or embodiments of the present invention, not all of them. Based on the implementation modes or examples in the present invention, all other implementation modes or examples obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0047] The present invention proposes an improved scheme Ripple+ based on the Ripple consensus protocol, which improves the Ripple consensus protocol from three aspects: 1. Ripple+ uses a specific trust model and corresponding UNL selection guidance to make it easy to meet security requirements during actual deployment. 2. Increase the master ...

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Abstract

An improved Ripple consensus method suitable for non-licensed chains, involving the field of blockchain technology, to solve the problem that the existing Ripple consensus protocol is difficult to ensure the security and activity of the network, and it is not suitable for weak The problem of synchronous network environment. The technical points of the present invention include: improving the Ripple consensus protocol from three aspects: by adopting a specific trust model and corresponding UNL selection guidance, it is easy to meet the security and activity conditions during actual deployment; increasing the master node and view The switching mechanism solves the situation that Ripple may be inactivated in some extreme scenarios mentioned in the previous research; removes Ripple's strong synchronization clock and timeout mechanism in the consensus process, making it suitable for networks with weak synchronization assumptions. Experimental results show that the method of the present invention can achieve a throughput of tens of thousands of transactions per second within a time delay of no more than half a minute, and the view switching mechanism hardly generates additional overhead. The present invention is suitable as a consensus support for permissionless chains.

Description

technical field [0001] The invention relates to the technical field of block chains, in particular to an improved Ripple consensus method suitable for non-licensed chains. Background technique [0002] One of the most famous blockchain projects, Ripple acts as a bridge between different currencies, an internet transaction protocol that allows people to pay in any currency. The Ripple network uses the Ripple consensus protocol as its consensus support to ensure network consistency. The Ripple consensus protocol is a Byzantine fault-tolerant consensus protocol with distributed trust characteristics, which means that each node in the network can select a trust subset (ie UNL) from all nodes, and reach a consensus based only on the proposals of nodes in UNL Consensus, while ignoring proposals from other nodes. Compared with Byzantine Fault Tolerance (BFT) consensus (such as PBFT, etc.) of other centralized trust models, the Ripple consensus protocol is more suitable for divers...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/32H04L9/08H04L9/40
CPCH04L9/3247H04L9/0861H04L63/20H04L9/50
Inventor 张宇马传旺周大胜任旻旻
Owner HARBIN INST OF TECH
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