
Bithumb’s promotional typo that briefly credited users with the equivalent of ~620,000 BTC exposed massive gaps in exchange custody, reconciliation, and legal remedies. This investigation reconstructs the mishap, reviews Bithumb’s court seizure efforts, and maps concrete controls and recommendations for custodians and regulators.

A deep-dive forensic analysis of the Bithumb BTC overpayment, why reconciliation breaks down, regulatory fallout, and a practical checklist exchanges and custodians can use to rebuild trust.

A deep-dive into Bithumb’s accidental distribution of roughly 620,000 BTC, the steps that recovered 99.7% of the coins, and practical lessons for institutional counterparties and compliance teams on custody and operational controls.