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 article discusses the case of Yao Qian, former director of the Technology Supervision Department of the China Securities Regulatory Commission, highlighting the emergence of new forms of corruption facilitated by virtual currencies and blockchain technology [2][12][32]. Group 1: Case Overview - Yao Qian was investigated for corruption, with a focus on his use of virtual currencies to conceal illicit transactions [8][29]. - The investigation revealed that Yao received bribes in the form of virtual currencies, which were stored in hardware wallets, with a total value estimated in the tens of millions of RMB [4][12]. - The case exemplifies the challenges of regulating new forms of corruption that leverage digital assets, emphasizing the need for advanced investigative techniques [10][32]. Group 2: Investigation Techniques - The investigative team utilized big data and blockchain technology to trace the flow of virtual currencies and establish a comprehensive evidence chain [15][27]. - Key evidence included the discovery of hardware wallets and the analysis of transactions on the blockchain, which revealed the movement of significant sums of money linked to Yao Qian [18][29]. - The investigation successfully identified "mask accounts" controlled by Yao, which were used to facilitate large transactions, including a 10 million RMB payment for a property [17][20]. Group 3: Implications for Corruption - The case illustrates the evolving nature of corruption, where traditional methods are being replaced by more sophisticated techniques involving digital currencies [12][32]. - It highlights the importance of adapting regulatory frameworks and investigative practices to address the complexities introduced by virtual currencies [10][32]. - The successful prosecution of Yao Qian serves as a precedent for future cases involving virtual currency-related corruption, reinforcing the message that no form of corruption can evade scrutiny [29][32].