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Block processing method, apparatus, and block link node

A processing method and a technology of a processing device, which are applied in the field of communication, can solve problems such as the reduction of blockchain network security, and achieve the effect of avoiding double-spend attacks and improving security

Active Publication Date: 2018-12-11
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Claims
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Problems solved by technology

[0003] If two different mining nodes grab the accounting right of the same transaction information, the two different mining nodes can record the same transaction information in different blocks, and record the same transaction information in different blocks Broadcast to the blockchain network, causing the same bitcoin to take effect in two transactions, the so-called double-spend attack, which reduces the security of the blockchain network

Method used

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  • Block processing method, apparatus, and block link node
  • Block processing method, apparatus, and block link node
  • Block processing method, apparatus, and block link node

Examples

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Embodiment Construction

[0048] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

[0049] The block processing method provided by the present invention can be applied to figure 1 The communication system shown. Such as figure 1 As shown, the communication system includes: an access network device 11 , a terminal device 12 and a server 13 . It should be noted, figure 1 The communication system shown can be applied to different network standards, for example, can b...

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Abstract

The embodiment of the invention provides a block processing method, a device and a block chain node. The method comprises the following steps: a block chain node receives a second block within a preset time after receiving a first block, the identification information of the first block is the same as the identification information of the second block, the first block comprises a first timestamp,and the second block comprises a second timestamp; if the first timestamp is smaller than the second timestamp, the block chain node determines the the first block is valid; if the second timestamp issmaller than the first timestamp, the block chain node determines the the second block is valid; wherein the first timestamp is determined according to the reception time of the first hash value whenthe timestamp server receives the first hash value corresponding to the first block. The embodiment of the invention ensures the the block chain is not bifurcated, thereby effectively avoiding the double spent attack and improving the safety of the block chain network.

Description

technical field [0001] The embodiment of the present invention relates to the field of communication technology, and in particular to a block processing method, device and block chain node. Background technique [0002] In the blockchain network, when a mining node grabs the accounting right of a certain transaction information, the mining node can record the transaction information into a block and broadcast the block to the blockchain network . [0003] If two different mining nodes grab the accounting right of the same transaction information, the two different mining nodes can record the same transaction information in different blocks, and record the same transaction information in different blocks Broadcasting to the blockchain network causes the same bitcoin to take effect in two transactions, which is the so-called double-spend attack, which reduces the security of the blockchain network. Contents of the invention [0004] Embodiments of the present invention pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/32H04L29/06
CPCH04L9/3236H04L9/3247H04L9/3297H04L63/12H04L63/20
Inventor 田新雪马书惠肖征荣
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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