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Anti-money laundering analysis method for block chain digital currencies

A digital currency and analysis method technology, applied in the field of blockchain digital currency, can solve problems such as sacrificing privacy, and achieve the effects of good flexibility, high analysis efficiency, and high accuracy

Active Publication Date: 2019-04-16
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

By issuing legal digital currency, the country can require a real-name system, but at the same time sacrifices privacy to a certain extent

Method used

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  • Anti-money laundering analysis method for block chain digital currencies
  • Anti-money laundering analysis method for block chain digital currencies
  • Anti-money laundering analysis method for block chain digital currencies

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Experimental program
Comparison scheme
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Embodiment

[0025] The present invention relates to an anti-money laundering analysis method for blockchain digital currency, characterized in that,

[0026] Step 1. Download the current blockchain public ledger data, and select an account in the current blockchain ledger data; in this step 1, select an account and define it as account A, and the selection method is: in the current blockchain ledger data Select an account A from the top n trading accounts whose transaction amount ranks in the top n and meet the set time period.

[0027] Step 2. Calculate the payment transaction path according to the number of transactions in the selected account, the amount of each transaction, and the UTXO of the transaction, and calculate the repetition degree of the final collection account of all paths. If these paths form a "double fan", there is money laundering Suspects include:

[0028] Step 2.1. Calculate the number of transactions paid by account A, denoted as K. Record the UTXO paid in each t...

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PUM

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Abstract

The invention relates to the field of block chain digital currencies, and especially relates to an anti-money laundering analysis method for block chain digital currencies. The method comprises the following steps: step 1, downloading current block chain public account book data, and selecting an account from the current block chain account book data; and step 2, calculating payment transaction paths according to the number of transactions in the selected account, the sum of each transaction and the UTXO of the transaction, calculating the repetition of all the paths finally to the collectionaccount, and if the paths form a double fan shape, determining that the money laundering suspicion exists. The method is high in analysis efficiency, high in accuracy and good in flexibility. The method is based on the divergence model of invisible polymerization provided by the invention.

Description

technical field [0001] The present invention relates to the field of blockchain digital currency, in particular to an anti-money laundering analysis method for blockchain digital currency. Background technique [0002] An important problem in blockchain digital currency is that account numbers are anonymous, so money laundering is possible. The supervision of digital currency is an important task for national financial stability and financial security. It is also an important question whether the blockchain digital currency can be widely used. By issuing legal digital currency, the country can require a real-name system, but at the same time, privacy is sacrificed to a certain extent. [0003] As far as the current anonymous digital currency is concerned, how to analyze the transaction data of digital currency to find out whether there is money laundering in it is an important security issue. Contents of the invention [0004] Above-mentioned technical problem of the pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q20/22G06Q40/04
CPCG06Q20/22G06Q40/04Y02D10/00
Inventor 任伟郭瑾仪李昌楼
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)