Byzantium fault tolerance method and implementation system thereof

A technology that realizes the system and Byzantine, and is applied in the direction of transmission system, digital transmission system, user identity/authority verification, etc., which can solve the problem of message congestion in the network

Active Publication Date: 2018-10-16
上海分布信息科技有限公司
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Problems solved by technology

Therefore, when the traditional Byzantine fault-tolerant algorithm is used in the blockchain network, the number of messages to b

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  • Byzantium fault tolerance method and implementation system thereof
  • Byzantium fault tolerance method and implementation system thereof
  • Byzantium fault tolerance method and implementation system thereof

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Embodiment Construction

[0051] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0052] see figure 1 In view of the problems existing in the prior art, the present invention provides an embodiment of a Byzantine fault tolerance method, which includes the following steps.

[0053] Node selection step S1: Select at least three types of nodes from all nodes in the blockchain network, as proposal nodes, endorsement nodes and conf...

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Abstract

The invention discloses a Byzantium fault tolerance method which comprises a node selection step, a proposal step, an endorsement step, a confirmation step and a block storage step, wherein in the node selection step, at least proposal nodes, endorsement nodes and confirmation nodes are selected from a blockchain network; in the proposal step, the proposal nodes construct new alternative blocks; in the endorsement step, the endorsement nodes carry out verification on the received alternative blocks, then carry out priority ranking on the alternative blocks and carry out endorsement on an alternative block with the highest priority; in the confirmation steps, if an alternative block is endorsed by a preset number of endorsement nodes in preset time, the confirmation nodes carry out confirmation on the alternative block; and in the block storage step, if an alternative block is confirmed by a preset number of confirmation nodes in preset time, the alternative block completes the consensus, and all the nodes in the blockchain network store the block which completes the consensus. The invention further discloses an implementation system of the Byzantium fault tolerance method. According to the invention, continuous operation in an extreme case can be ensured, and the Byzantium fault tolerance method and the implementation system thereof are beneficial for enlarging the scale of theblockchain network.

Description

technical field [0001] The present invention relates to a consensus algorithm (consensus mechanism) of a blockchain (Blockchain) network, in particular to a Byzantine Fault Tolerance (BFT) method. 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. 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 meaning. [0003] Typically, blockcha...

Claims

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Application Information

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IPC IPC(8): H04L9/32H04L12/801H04L29/06H04L29/08
CPCH04L9/3247H04L47/12H04L63/0428H04L63/0442H04L63/08H04L67/104H04L2209/463H04L67/568
Inventor 丛宏雷胡凝
Owner 上海分布信息科技有限公司
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