The Ministry of Public Security announced Thursday that its multi-agency investigation targeted a group accused of orchestrating a large-scale financial fraud operation. The core of the alleged scheme involved the sale of digital tokens via the ONUS platform, which authorities claim were promoted using misleading information and coordinated trading activities designed to lure unsuspecting users. According to the ministry’s statements, the group systematically manipulated the supply and demand of these tokens and artificially adjusted their prices, presenting them as legitimate and lucrative investment opportunities. However, investigators allege that the group maintained centralized control over these markets, thereby dictating terms and outcomes for investors.

This crackdown shines a spotlight on the growing scrutiny of crypto activities in Vietnam, a nation recognized as one of the world’s most active retail digital asset markets. Data from Chainalysis for 2025 placed Vietnam fourth in its crypto adoption index, underscoring the significant presence of digital assets in the country’s financial landscape and, consequently, the potential for large-scale financial malfeasance. The scale of this alleged fraud, involving billions of dollars, highlights the urgent need for robust regulatory frameworks and enforcement in rapidly expanding crypto markets.

Several key figures have been identified and named in connection with the investigation. Among them is Vuong Le Vinh Nhan, whose name has surfaced in connection with Vemanti Group, a U.S.-based fintech company, and XPLOR, the Singapore-based parent company of ONUS Pro. Vemanti Group later confirmed its knowledge of the indictments against Nhan Vuong, identifying him as the chairman of its board. Another central figure is Tran Quang Chien, who Vietnamese media reports have identified as the technical administrator responsible for the ONUS exchange’s operations. Vemanti also acknowledged Chien Tran’s indictment, stating he was a board member. Ngo Thi Thao, director of HanaGold Jewelry JSC, has also been implicated, further suggesting a network extending beyond pure crypto operations into other sectors.

Authorities allege that these suspects were instrumental in the creation and promotion of several tokens, including VNDC, ONUS, and HNG, all circulated through the ONUS platform. While police assert that the scheme succeeded in raising billions of dollars from investors, they have not yet provided a detailed breakdown of the exact financial losses incurred by individual victims or the total misappropriated sum. This figure, if substantiated, would represent a substantial blow to investor confidence and a significant event in Vietnam’s financial crime history.

The ONUS platform itself positions itself as a comprehensive digital asset ecosystem, offering a range of services from trading and staking to various investment products. It boasts a substantial user base, claiming more than seven million users, and prominently features its purported backing from the Vemanti Group. The platform maintains a significant online presence, with its official X (formerly Twitter) account garnering over 885,000 followers, suggesting a wide reach and considerable public engagement. However, market data aggregator CoinMarketCap lists the ONUS token with a self-reported market capitalization of approximately $25 million. This stark discrepancy between the alleged "billions of dollars" raised and the publicly available market metrics for the ONUS token highlights the complex nature of the alleged scheme and the potential for severe overvaluation or misrepresentation of assets within the platform.

The arrests mark a critical phase in a multi-agency investigation that has spanned across several cities within Vietnam. Law enforcement efforts have been extensive, involving the summoning of over 140 individuals for questioning and the seizure of substantial evidence. This comprehensive approach underscores the Ministry of Public Security’s broader commitment to dismantling large-scale, organized crypto-linked fraud operations, signalling a firm stance against financial crimes exploiting digital asset technologies.

In response to the unfolding events, Vemanti Group issued a statement indicating it learned of the indictments of Vuong Le Vinh Nhan and Tran Quang Chien through the Ministry of Public Security’s announcement and Vietnamese media. The company stated it has engaged U.S. legal counsel to thoroughly assess the situation, emphasizing the gravity of the allegations and their potential impact on its corporate structure and reputation. Notably, the ONUS platform has yet to release an official statement addressing the situation or the arrests of individuals linked to its operations. Cointelegraph, which initially reported on the developments, attempted to reach ONUS for comment but had not received a response by the time of publication, leaving many questions unanswered for its users and the wider crypto community.

The probe into the ONUS platform occurs amidst a broader global landscape grappling with the challenges of crypto-related fraud and illicit activities. While not directly connected to the ONUS case, separate incidents, such as the recent arrest by India’s Central Bureau of Investigation of a Mumbai-based suspect involved in trafficking victims to scam compounds in Myanmar, illustrate the pervasive nature of online fraud schemes. These compounds often force individuals to participate in crypto investment scams and romance scams, targeting victims worldwide. Such cases underscore the sophisticated and often transnational networks behind digital asset fraud, posing significant challenges for law enforcement agencies across jurisdictions.

The Vietnamese investigation into ONUS serves as a potent reminder of the inherent risks within the largely unregulated or under-regulated crypto space. For a country with high crypto adoption rates, such a high-profile case is likely to prompt increased regulatory scrutiny, potentially leading to the implementation of more stringent rules and oversight to protect investors and maintain financial stability. The outcome of this probe will undoubtedly have lasting implications for the future of digital asset markets and regulation in Vietnam.