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A game method for channel network steady-state evolution in blockchain environment

An evolutionary game and blockchain technology, applied in the blockchain field, can solve problems such as network sparseness

Active Publication Date: 2021-11-26
ANHUI NORMAL UNIV
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Problems solved by technology

[0018] (3) Due to the characteristics of the channel network, the network may be sparse, and there are few opportunities to complete transactions through direct connections. Therefore, the method of simply isolating Type II nodes is not suitable, and these Type II nodes need to be fully utilized;

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  • A game method for channel network steady-state evolution in blockchain environment
  • A game method for channel network steady-state evolution in blockchain environment
  • A game method for channel network steady-state evolution in blockchain environment

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Embodiment Construction

[0062] The specific implementation of the present invention will be described in further detail below by describing the embodiments with reference to the accompanying drawings, so as to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concepts and technical solutions of the present invention.

[0063] To construct a dynamic evolutionary game model based on a channel network, three basic elements of game analysis need to be considered: participants, strategy space, and payoff matrix.

[0064] The participants of the game are composed of two different node sets: one is a node set composed of type I nodes, which can obtain benefits by forwarding a transaction; the other is a node set composed of type II nodes, which can Gain revenue by launching attacks or forwarding transactions.

[0065] For I-type nodes, there are three strategies: cooperation, non-cooperation and defense. The strategy space of I-type nodes is recorded as...

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Abstract

The invention discloses a channel network steady-state evolution game method in a blockchain environment. Based on bounded rationality and the "replication dynamic" mechanism of the biological evolution process, the node transactions in the channel network are modeled as a dynamic evolution game model. The model design A dynamic defense mechanism of channel network based on evolutionary game. This mechanism adds a defense strategy to the strategy space of type I nodes, and considers the cost and success rate of type II node attacks under the condition of deploying defense strategies. This defense mechanism can help Type I nodes resist attacks from Type II nodes with a certain probability. The nodes of this model have the evolutionary learning ability of bounded rationality, and can dynamically adjust their respective strategies according to the attacker's different attack strategies to achieve effective defense.

Description

technical field [0001] The invention belongs to the technical field of block chain, and more specifically, the present invention relates to a game method for steady-state evolution of a channel network under a block chain environment. Background technique [0002] The security of blockchain-based cryptocurrencies (e.g. Bitcoin, Ethereum) comes in part from extensive replication of block data, at the expense of limited scalability. One of the main ways to increase the scale of cryptocurrencies is to focus on moving transactions from the blockchain to off-chain by using peer-to-peer payment channels through which parties can transfer large amounts of transactions and eventually settle the net proceeds on the blockchain , to reduce the delay in transaction confirmation. Although the off-chain payment based on the channel network is fast, if one party withdraws from the transaction and closes the channel, both parties will need to submit each operation of the transaction to the...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L12/24H04L29/08
CPCH04L41/14H04L63/20H04L67/10
Inventor 张佩云李晨曦汪丽翠章一磊张捷
Owner ANHUI NORMAL UNIV
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