一次收受数千万元以太币，证监会原司长购买别墅露出马脚，被留置时别墅还没装修完

Core Viewpoint - The case of Yao Qian, former director of the Technology Supervision Department of the China Securities Regulatory Commission (CSRC), highlights the emergence of new forms of corruption facilitated by virtual currencies, emphasizing the need for enhanced regulatory measures in the digital age [1][2]. Group 1: Case Overview - Yao Qian was investigated for accepting bribes in the form of virtual currencies, with the total value of the seized assets amounting to several tens of millions of RMB [1][2]. - The investigation revealed that Yao utilized "shell accounts" to conceal his financial activities, including a significant transaction of 10 million RMB linked to a virtual currency trading account [3][4]. - A total of 1.2 million RMB was traced back to Yao's accounts, which were used to pay for a villa registered under a relative's name but effectively owned by Yao [4][5]. Group 2: Investigation Techniques - The investigative team employed big data and blockchain technology to trace the flow of virtual currencies, successfully mapping transactions from various wallets to Yao's accounts [7][8]. - The use of hardware wallets and mnemonic phrases was critical in the investigation, as these tools are commonly used to store virtual currencies securely [3][6]. - The investigation confirmed that Yao's influence in the industry facilitated corrupt transactions, including a case where he helped a company issue tokens in exchange for virtual currency bribes [6][7]. Group 3: Implications for Regulatory Practices - The case underscores the challenges posed by virtual currencies in corruption cases, as they can be easily concealed and are difficult to trace without advanced technological methods [2][8]. - The successful prosecution of Yao Qian serves as a precedent for future investigations into corruption involving virtual currencies, highlighting the importance of adapting regulatory frameworks to address new forms of financial misconduct [8][9]. - The findings suggest that while virtual currencies offer anonymity, they ultimately leave a digital footprint that can be traced back to illicit activities when converted into tangible assets [8].