BIG BREAKING: Vietnam mandates weekly wallet audits & Proof of Reserves for crypto exchanges
Under Circular 165/2026/TT-BTC (eff. Dec 18), licensed CASPs must report key custody data to regulators every Monday (5 PM Sunday snapshot).
Key Rules:
On-Chain Transparency: Exchanges must declare exact public wallet addresses & networks for hot & cold wallets to enable direct on-chain verification.
Proof of Reserves (PoR): Weekly filings must include exact block heights, actual reserve ratios & insured asset %s.
24-Hour Incident Rule: Any IT outage impacting trading must be reported within 24 hours.
Insider Trading: C-suite & CTOs must give 3 days’ notice before trading on their own exchange.
10-Year Data Retention: All disclosures archived for a decade.（Vietnam Crypto Exchange）
Vietnam is taking a major step toward institutional crypto regulation in Southeast Asia.
