South Korea's Financial Services Commission has ordered all cryptocurrency exchanges to implement near real-time asset reconciliation and submit to monthly external audits.
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The directive follows a February operational failure at Bithumb that briefly sent $56 billion worth of bitcoin to hundreds of retail users.
The Bithumb Incident
On February 6, 2026, Bithumb mistakenly credited approximately 620,000 BTC (worth around $56 billion at the time) to hundreds of users during a promotional event.
The intended payment was 620,000 Korean won, roughly $450. Some recipients sold the bitcoin immediately, causing a localized price drop of 10–17% on the exchange.
Bithumb froze affected accounts and recovered most of the funds, but the FSC concluded the episode exposed "structural vulnerabilities" in the industry's internal controls.
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The New Requirements
The FSC has set an end-of-May deadline for all Korean exchanges to comply with a new operational framework.
The key requirements:
- Reconciliation every five minutes: exchanges must verify client ledgers against on-chain holdings at five-minute intervals, compared to the 24-hour cycle most currently use.
- Daily public disclosure of reconciliation results.
- Monthly independent audits by an external accounting firm.
- Upgraded trade-halting systems capable of acting immediately on a large asset mismatch.
What This Means for the Industry
The rules represent one of the first times a major regulator has applied high-frequency internal audit requirements — the kind typically associated with stock exchanges and clearing houses — directly to crypto platforms.
The focus is on operational risk: internal failures that occur without any external breach, a category the industry has historically treated as secondary to cybersecurity.
The requirements are expected to be codified under South Korea's forthcoming Digital Asset Basic Act. Whether other jurisdictions follow a similar model remains to be seen — but Bithumb's error has given regulators a concrete failure case to point to.
