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Home » Cryptocurrency

Vietnam Busts ONUS Crypto Scam Worth Billions

Published on: March 27, 2026
Kathleen Kinder
Written By
Kathleen Kinder
Kathleen Kinder
Senior Editor • 1,727 Articles
Kathleen Kinder brings over 11 years of experience in the research industry, with deep expertise in finance, cryptocurrency, and insurance. ... See full bio
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Vietnamese authorities have arrested multiple individuals linked to the ONUS platform in a sweeping investigation into an alleged crypto fraud scheme that reportedly raised billions of dollars from investors.

Key Takeaways

  • Vietnam police arrested several ONUS linked suspects in a large scale crypto fraud probe.
  • Authorities claim billions of dollars were raised through misleading token promotions.
  • Over 140 individuals were questioned as part of a nationwide investigation.
  • Fake tokens and price manipulation tactics were allegedly used to deceive investors.

What Happened?

Vietnam’s Ministry of Public Security has launched a major investigation into a crypto scheme tied to the ONUS platform, accusing key figures of fraud and money laundering. Several suspects have been detained as authorities continue to assess the full scale of investor losses.

Nationwide Crackdown on ONUS Linked Network

The investigation began after authorities uncovered what they described as an exceptionally large scale crypto fraud operation operating across multiple cities including Hanoi, Ho Chi Minh City, Da Nang, Can Tho, and Dak Lak.

Law enforcement agencies coordinated raids and conducted simultaneous searches, seizing computers, mobile devices, documents, and digital evidence. Officials also took steps to prevent suspects from destroying evidence or moving assets.

More than 140 individuals were summoned for questioning, highlighting the wide reach of the alleged network.

Key Individuals Arrested

Authorities identified several prominent figures connected to the case:

  • Vuong Le Vinh Nhan, a fintech entrepreneur accused of leading the operation.
  • Tran Quang Chien, responsible for technical operations of the ONUS exchange.
  • Ngo Thi Thao, director of HanaGold Jewelry Company.

Investigators allege that these individuals played central roles in creating, promoting, and managing digital tokens used in the scheme.

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Alleged Scheme: Fake Tokens and Market Manipulation

According to investigators, the group began operations as early as 2018, creating and issuing multiple cryptocurrencies including VNDC, ONUS, and HNG.

Authorities claim the suspects used several deceptive tactics:

  • Disseminating misleading promotional content to build investor trust.
  • Artificially manipulating supply and demand through coordinated trading.
  • Adjusting token prices to create the illusion of legitimate market activity.
  • Maintaining centralized control over token ecosystems.

These strategies allegedly helped attract millions of users and funnel billions of dollars into the platform.

Platform Reach and Investor Impact

The ONUS platform reportedly gained significant traction in Vietnam, a country known for its rapid crypto adoption. Millions of users engaged with the platform, which marketed itself as a comprehensive digital asset ecosystem offering trading and investment services.

Despite claims of large scale activity, publicly available market data showed a much smaller reported market capitalization, raising concerns about transparency and valuation.

The platform became inaccessible around March 20, further intensifying concerns among investors.

Some victims have already come forward, with one investor reportedly stating they were “devastated” after losing over US$15,000.

Legal Charges and Ongoing Investigation

Authorities have formally charged multiple suspects with:

  • Appropriating property through electronic means
  • Money laundering

The Supreme People’s Procuracy has approved prosecution and detention orders, signaling the seriousness of the case.

Officials confirmed that the investigation remains ongoing, with efforts focused on:

  • Determining the full scale of financial losses.
  • Identifying additional suspects and accomplices.
  • Recovering assets to minimize damage for victims.

Authorities have also urged affected investors to come forward and cooperate with the investigation.

Growing Scrutiny on Crypto in Vietnam

This case adds to increasing scrutiny of cryptocurrency activities in Vietnam, which operates in a regulatory grey area. While crypto payments are restricted, investment and trading activities have largely remained unchecked.

With an estimated 17 million crypto users, Vietnam ranks among the most active retail crypto markets globally, making it particularly vulnerable to large scale fraud schemes.

CoinLaw’s Takeaway

In my experience, cases like this highlight a recurring issue in crypto markets where rapid adoption outpaces regulation. I found that when platforms promise easy gains and operate with limited transparency, the risks often outweigh the rewards.

This situation reinforces the need for stronger investor awareness and clearer regulatory frameworks. For everyday users, it is a reminder to question projects that rely heavily on promotion rather than fundamentals.

This article has been reviewed and fact-checked by Barry Elad. CoinLaw follows strict Publishing Principles and a documented Fact-Check Policy to ensure accuracy, transparency, and editorial independence across all content.

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Kathleen Kinder

Kathleen Kinder

Senior Editor


Kathleen Kinder brings over 11 years of experience in the research industry, with deep expertise in finance, cryptocurrency, and insurance. At CoinLaw, she writes timely, reader-focused news articles and also serves as a senior editorial reviewer. Drawing on her background in B2B research, consumer insights, and executive interviews, she ensures every piece delivers clarity, accuracy, and real-world relevance.

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Table of Contents

  • Key Takeaways
  • What Happened?
  • Nationwide Crackdown on ONUS Linked Network
  • Key Individuals Arrested
  • Alleged Scheme: Fake Tokens and Market Manipulation
  • Platform Reach and Investor Impact
  • Legal Charges and Ongoing Investigation
  • Growing Scrutiny on Crypto in Vietnam
  • CoinLaw’s Takeaway
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