Vietnamese Authorities Detain Multiple Suspects Across Cities in ONUS Crypto Fraud Probe

Vietnamese authorities have expanded the ONUS fraud probe by detaining multiple suspects across several jurisdictions.

“Table of Contents Law enforcement agencies in Vietnam have escalated a comprehensive fraud investigation centered on the ONUS cryptocurrency platform following the detention of numerous individuals across several jurisdictions”

Blockonomi

The Ministry of Public Security said the investigation targeted a group accused of selling digital tokens through the Onus platform, using misleading promotions and coordinated trading activity to attract users.

Blockonomi

Investigators named Vuong Le Vinh Nhan, Tran Quang Chien, and Ngo Thi Thao as suspects linked to ONUS Pro and HanaGold Jewelry JSC.

Authorities say the suspects created and promoted tokens including VNDC, ONUS and HNG through the ONUS platform, with centralized control over their markets.

Police say the scheme raised billions of dollars from investors, though authorities have not provided a detailed loss breakdown.

The group manipulated supply and demand and adjusted token prices, presenting the assets as legitimate investments while maintaining centralized control.

Investigators say they created tokens including VNDC, ONUS and HNG and promoted them through ONUS with coordinated trading to attract investors.

Báo VietNamNet

The ONUS tokens were marketed and sold to investors via the ONUS platform, according to Vietnamese authorities.

Authorities allege the suspects conducted artificial trading to create demand and manipulated prices to serve their objectives.

ONUS has marketed itself as a digital asset ecosystem with millions of users, according to company positioning.

The scale is underscored by authorities summoning more than 140 individuals for questioning across Hanoi and other provinces.

“Vietnam authorities expanded a major fraud probe targeting the Onus crypto ecosystem after detaining several suspects across multiple regions”

CoinCentral

On March 23, 2026, the Investigation Security Agency opened criminal proceedings for asset misappropriation and money laundering.

Authorities conducted simultaneous searches and seized evidence while moving to prevent destruction or dispersal of assets.

Vemanti Group said it learned of indictments involving Nhan and Chien through Vietnamese media and has hired US legal counsel to review developments.

Chainalysis ranked Vietnam among the top adopters of cryptocurrency in 2025, highlighting the stakes as enforcement widens.

This action positions ONUS within one of Vietnam’s largest crypto enforcement efforts to date.

Vietnam’s enforcement aligns with a broader tightening in a market that Chainalysis places among the world's most active grassroots crypto adoptions.

Cointelegraph

Public indicators show a gap between the losses claimed by authorities and the ONUS token’s market metrics, with CoinMarketCap listing a modest market cap while officials say billions were mobilized.

The link to Vemanti Group and ONUS Pro raises questions about cross-border corporate governance in crypto ventures.

Investors have faced withdrawal issues as the ONUS app experienced access problems amid the crackdown.

The Supreme People’s Procuracy approved the prosecution decisions and detention in the case, according to Vietnamese authorities.

“Vietnamese authorities have opened a wide fraud case tied to the ONUS crypto ecosystem after detaining several suspects and accusing them of using token promotions and controlled trading to take investor funds”

crypto.news

The investigation is ongoing to clarify the full scope and criminal conduct involved.

crypto.news

Vemanti said it has hired US legal counsel to review developments tied to ONUS Pro and related operations.

Analysts warn the ONUS episode could presage broader vulnerabilities in Vietnam’s rapidly expanding digital asset landscape.

There has been no official ONUS statement addressing the situation, as regulators tighten oversight over platforms and token promotions.