Identity identification method in bitcoin transaction

An identity identification and bitcoin technology, applied in the field of information technology and security, can solve the problems of backward transaction information, low accuracy, and unsatisfactory identification technology, and achieve the effect of high accuracy, low cost, and avoiding interference.

Inactive Publication Date: 2018-05-08
NAT COMP NETWORK & INFORMATION SECURITY MANAGEMENT CENT +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] low accuracy
First of all, the probe node may not be able to capture the transaction information forwarded by the originating node; secondly, the transaction information forwarded by the originating node may lag behind other nodes due to interference such as network delay during the forwarding process
[0017] To sum up, the existing bitcoin transaction identification technologies are not ideal, and the industry urgently needs an effective bitcoin transaction identification method

Method used

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  • Identity identification method in bitcoin transaction
  • Identity identification method in bitcoin transaction
  • Identity identification method in bitcoin transaction

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Experimental program
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Embodiment Construction

[0054] working principle:

[0055] The main technical idea of ​​the present invention is: after a Bitcoin node initiates a transaction, it first forwards the transaction information to its own neighbor node, and then the neighbor node continues to forward it to its own neighbor node, and so on, until the transaction information is spread throughout the network . Obviously, the node that initiated the transaction forwarded the transaction the earliest time, followed by neighbor nodes, and other nodes delayed in turn. If the probe node can maintain connection with all server nodes by arranging the probe node, for a transaction, the probe node can receive the transaction information from different nodes in turn. Regardless of the network delay, it can be regarded as the first forwarding transaction The node where the information reaches the probe node is the transaction originating node. The present invention is based on the above-mentioned principle to realize the Bitcoin transac...

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PUM

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Abstract

The invention provides an identity identification method in bitcoin transaction. The method comprises: a probe node that can be connected to nodes as many as possible is deployed in a bitcoin network;a to-be-monitored node in the bitcoin network is selected; a neighbor node of the to-be-monitored node is determined by the probe node; and transaction information and a transaction propagation pathof the bitcoin network are monitored and obtained; matching values of the transaction propagation path with the to-be-monitored node and the neighbor node are calculated; a matching transaction of theto-be-monitored node is screened out by a threshold value; and the matching transaction is outputted and an IP tag is assigned for the transaction. Therefore, with the matching identifier for the bitcoin transaction and the trader's IP address, the identity of the trader is identified, so that the high identification accuracy is improved; and compared with the prior art, the method provided by the invention enables the cost to be reduced substantially.

Description

Technical field [0001] The present invention relates to the field of information technology and security technology, in particular to specific identification, and in particular to a method for identification of bitcoin transactions. Background technique [0002] Bitcoin is a decentralized digital currency that does not rely on specific institutions to issue currency, nor does it rely on specific institutions to operate and maintain the Bitcoin system. Anyone can directly trade with other people on any computer, without the need for a third party to intermediary. Therefore, there is no central node with all user identity information. In addition, both parties in a bitcoin transaction use bitcoin addresses as their identity pronouns, and bitcoin addresses are created by users themselves and have nothing to do with identity information. Therefore, although Bitcoin transaction information is public, user identification information cannot be directly found from the transaction infor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q20/06G06Q20/38G06Q20/40G06Q40/04G06Q50/00
CPCG06Q20/065G06Q20/382G06Q20/4014G06Q40/04G06Q50/01
Inventor 毛洪亮王秀文吴震李焱余徐小磊唐积强马秀娟张露晨苏沐冉李传海高峰沈蒙祝烈煌
Owner NAT COMP NETWORK & INFORMATION SECURITY MANAGEMENT CENT
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