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Chinese Fentanyl Producers Taking Payment in CryptoA report produced by blockchain analytics and crypto compliance solutions firm Elliptic has found that most Chinese suppliers of fentanyl precursors are accepting payments for the illicit material in cryptocurrency.In a blog post published on its website on Tuesday, Elliptic claimed that 90 percent of the 90 China-based firms, from which its researchers received offers of fentanyl precursors, accepted cryptocurrency as a form of payment. The majority of fentanyl which is trafficked into the United States is manufactured using imported fentanyl precursors like the material that the Elliptic researchers were offered.Seventeen of the suppliers even offered to provide fentanyl itself. Others still offered to supply synthetic opioids, equally or more potent than fentanyl, which are currently legal to both produce and supply within China.Photo by Hal Gatewood on UnsplashTracking blockchain transactionsIn tracing back transactions relative to these illicit suppliers, the Elliptic researchers’ analysis demonstrated that the digital asset wallets used by the rogue suppliers have received thousands of payments. The research team has estimated the net worth of those transactions to total $27 million.It appears that a move towards crypto payments is trending with this group of suppliers as there has been a 450% increase year-on-year when it comes to payments for fentanyl precursor using crypto.The study highlighted activity related to Dutch national Alex Peijnenburg. An alleged fentanyl supplier, Peijnenburg, made an $85,000 payment in crypto to one of the ninety fentanyl precursor suppliers identified by Elliptic researchers. In November of last year, the Dutchman was sanctioned by US authorities relative to his activities.Global trade and distributionThe report stated: “During our correspondence, the suppliers showed no concerns about how the chemical would be used, with some explaining that it was their best-selling product and could be used to produce fentanyl.”It went on to state that “others pointedly mentioned that they had sold it to customers in Mexico.” Mexico is a significant location in the global drugs trade, given the activity of drug cartels within the country. One supplier offered an insight to researchers as to the preferences of their nefarious Mexican clients, stating: “They always use USDT or Bitcoin to pay. It is no problem.”While it looks like these nefarious Chinese companies are able to trade into and out of crypto assets, that should be a difficulty for them as China banned the offering of crypto trading services going back a number of years already. Furthermore, foreign digital asset exchanges are prohibited from servicing the needs of Chinese clients where crypto is concerned.Elliptic’s research team uncovered that the majority of the illicit drugs trade suppliers have been using workarounds in order to gain access to overseas digital asset exchanges. The suppliers have used intermediaries in order to convert crypto into Chinese yuan.The report concludes that this part of the international fentanyl trade can be dealt with and “disrupted by the services that act as gateways into and out of crypto assets.” On arriving at that conclusion, Elliptic has acted by notifying the digital asset exchanges that these suppliers are using. “[We] have flagged hundreds of crypto addresses in our tools as being linked to this activity,” the report states.Crypto had infamously been associated with illicit activity on the dark web in its earliest years. It has moved well beyond that although due to its decentralized nature, it’s difficult, if not impossible, to control who utilizes decentralized digital currency.

Safeheron, a Singapore-based provider of digital asset self-custody solutions for institutions, has released the world’s first open-sourced trusted execution environment (TEE) related to Intel Software Guard Extensions (SGX).  The Intel SGX is a hardware-based security technology integrated within some Intel processors. It enables application developers to run application code within a secure isolated environment, while preventing access to that code or modification of it by other applications or by the operating system running on that hardware.Photo by Shubham Dhage on UnsplashAddressing Web3 security & scalability challengesThe Intel SGX enables a TEE, creating a black box for computation. In a blog post published by Safeheron on May 6, the company claimed that its open-source framework “addresses fundamental security and scalability challenges within blockchain and Web3 ecosystems, offering broad potential for deployment across critical scenarios.” The company asserted that the enabling of off-chain TEEs as achieved by its framework, provides for robust blockchain layer-2 scaling, together with privacy-preserving computation. In this way, layer-1 blockchain load can be minimized while enhancing network throughput and verifiability. Safeheron further claimed that this all paves the way for the evolution of a trusted “second execution layer” for decentralized applications. Overcoming Intel SGX complexitySafeheron developed the TEE framework using C++, a high-level object-oriented programming language. The firm open-sourced the SGX framework due to the significant challenges that developing with Intel SGX poses, arising from its complexity and its engineering overhead. On X, the company claimed that the new framework reduces SGX TEE development complexity, enabling developers to build applications securely for blockchain, cloud security and privacy computing. The framework optimizes advanced cryptographic support, enhanced testing capabilities, high-level API design and secure and encrypted file input and output. Moving beyond closed and opaque systemsSafeheron added that it open-sourced the framework as it had seen concern expressed within the Web3 sector regarding the development of closed and opaque systems, with that concern elevated in relation to ongoing security failures related to Web3 platforms. Safeheron CEO Wade Wang told Cointelegraph that in open-sourcing the framework, the firm is “not threatened by competitors,” but that it is concerned about “slow innovation due to closed systems.” The Singaporean firm was established in 2021. It counts HashKey Capital, Bixin Ventures, Antalpha Ventures, M77 Ventures and Kryptos among its investors. Back in 2022, it raised $7 million in a pre-Series A funding round. At the time, the project’s mission was to make private keys, which individuals use to control and self-custody their digital assets, safer. In terms of products offered, the company markets its MPC Node Suite, a white-label solution that allows clients to build out multi-party computation (MPC) wallet-based applications. It also offers Keyless Wallets that facilitate the development of wallets that don’t require traditional keys.  In February crypto exchange platform BYDFi partnered with Safeheron, leveraging its MPC technology and TEE to build out a key management system.

In a major crackdown, the Chengdu Public Security Bureau announced on May 15 the dismantling of an extensive underground banking network, resulting in the arrest of 193 suspects across China in an operation that unveiled illegal businesses using the U.S. dollar stablecoin, Tether (USDT).Photo by DrawKit Illustrations on UnsplashUnauthorized foreign exchange settlements These activities involved illicit transactions amounting to approximately 13.8 billion yuan ($1.9 billion). The investigation began in November 2022 when authorities detected suspicious activities involving underground banks in Chengdu’s Longquanyi district. In response, a specialized task force was formed, integrating experts from various police departments, including economic investigation, cyber security and legal affairs. This team uncovered unauthorized foreign exchange settlements that bypassed national regulations. On June 1 of last year, acting on instructions received from the Ministry of Public Security, the task force conducted coordinated raids in several major cities, such as Shanghai and Shenzhen. These efforts led to the capture of key figures in the criminal syndicate, involving the arrest of 25 suspects. Law enforcement seized numerous bank cards, payment instructions and other digital payment instruments tied to the illegal operations during these raids. A broader investigation across 26 provinces has resulted in 193 suspects being arrested. Using USDT to evade regulationFurther investigations revealed that since January 2021, the syndicate exploited its import and export business to facilitate illegal activities. By using USDT as a medium, they bypassed official foreign exchange channels to service clients needing to transfer funds internationally. Moreover, these operations were intricately linked to other illicit activities, including financial fraud and smuggling. In a related development, on May 13, BeInCrypto reported that the Chinese government arrested six individuals responsible for illicit crypto transactions worth $295 million. These arrests highlight the challenges and risks associated with cryptocurrency in unregulated environments. Additionally, the Hong Kong police recently apprehended three men at a currency exchange shop following a deceptive transaction involving Tether’s USDT. The suspects allegedly showed a customer ceremonial "hell money" before deceitfully persuading him to transfer about $128,073 worth of USDT, only to refuse the agreed-upon cash exchange afterward.  According to the South China Morning Post (SCMP), hell banknotes are a form of ceremonial paper money burned as an offering to ancestors or deities in traditional Chinese culture. Late last year, USDT was used by a gang of gold smugglers in Nepal, who received $16 million in the Tether stablecoin in exchange for the precious metal. A joint investigation carried out by the authorities in Nepal and China led to the arrest of two Chinese and 13 Nepalese nationals in connection with the illicit activity. Over the course of the weekend, it emerged that two Chinese nationals had been charged by the authorities in the United States with money laundering through Bahamas-based Deltec Bank. Deltec acts as the primary banker for Tether, prompting longstanding Tether critics to suggest illicit activity relative to the stablecoin issuer’s dealings with the bank. This series of arrests and discoveries underscores the ongoing efforts of Chinese authorities to clamp down on illegal cryptocurrency activities. The activity also poses problems for Tether in its efforts to maintain compliance and stamp out illicit use in the face of ever-increasing regulatory scrutiny worldwide.