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SG crypto platform’s founder sued for $60.5m over alleged fraud

Over 270 former users of Tokenize Xchange have filed a lawsuit against founder Hong Qi Yu and his wife Erin Koo, seeking US$60.5 million in damages for alleged fraudulent misappropriation of customer assets.

Tokenize Xchange, a Singapore-based cryptocurrency platform operated by AmazingTech, shut down after the Monetary Authority of Singapore denied it a digital payment token license in July 2025.

Court-appointed interim judicial managers reported that AmazingTech owed customers about US$266.3 million, but held only US$2.6 million in assets.

The lawsuit, filed in Singapore’s High Court, claims Hong and Koo were responsible for the shortfall.

Authorities in Singapore are investigating AmazingTech and its related entities for possible offences, including fraudulent trading.

Hong was charged with fraudulent trading on July 31.

Tokenize Xchange’s own crypto token has lost more than 80% of its value since July 20, and over 90% since the start of 2025.

🔗 Source: The Straits Times

🧠 Food for thought

Implications, context, and why it matters.

  • A lawsuit says Tokenize Xchange mixed (commingled) company and user funds despite promises to keep customer assets in trust. It also claims the exchange traded directly with users while showing a marked-up Binance order book 1.
  • Tokenize ran under a Payment Services Act exemption while awaiting an MAS licence. If the claims hold up, this would breach 2024 MAS rules that require trust accounts and 90% cold storage (offline wallets disconnected from the internet) 2.
  • Court-appointed interim judicial managers (specialists appointed to stabilise distressed companies) reported a S$263.7 million gap between what was owed and what existed 3. They have not disclosed tracing of on-chain wallet flows (blockchain transaction trails), transfers to the Labuan entity (Labuan is Malaysia’s offshore financial centre), or related-party diversions.
  • Under MAS oversight, custody rules require Digital Payment Token (DPT) service providers to keep assets in trust accounts and store 90% in cold storage 4. Providers perform daily reconciliations.
  • Vendors ship attestation reports (independent auditor confirmations of balances and controls) and proof-of-reserves dashboards (cryptographic verification that customer assets are fully backed). They add automated reconciliation engines or multi-signature cold wallets (transactions require approvals from multiple private keys) that fit MAS safeguards 5.
  • MAS bans lending and staking (locking tokens to help secure a blockchain in exchange for yield) of retail tokens, and expects disclosures plus monthly statements 2. That opens space for compliance-as-a-service platforms (subscription software that automates regulatory workflows) for smaller exchanges seeking ready-made tools to prove adherence and rebuild trust after Tokenize.

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