关键词: 数字货币, 洗钱, 钱包地址, 交易所, 匿名性, 调证

Abstract: Money laundering activities have evolved from a traditional model of Underground Bank to the new model such as "Fourth-Party Payment", along with the rising of the emerging digital currency, which has brought huge challenges to crime investigations, and also caused damage to the social financial system. In view of lack of supervision on the application installation of the digital currency system, lack of supervision on the digital currency transactions, as well as the anonymity of digital currency transactions, we put forward the key channels to solve the problems. This article describes the realization of obtaining real-name of digital wallet addresses, identifying digital exchange addresses, and how to establish evidence of digital currency transactions. In order to figure out the data visualization and address tagging display in the process of digital currency trading, provide clear flow tracking graphics of digital currency trading process for staff in case handling, identify the digital currency exchange, determine if it is able to retrieve evidence from that digital currency exchange, which will significantly improve work efficiency on money laundering crime investigation.

Key words: digital currency, money laundering, wallet address, digital currency exchange, anonymity, evidence retrieval