Chen Tian Universe
Jul 4, 2025 · Information Security
When Balance Rollback Triggers 8 Million in Duplicate Withdrawals – Lessons Learned
A payment system suffered massive duplicate withdrawals worth over 8 million due to an account balance rollback during a global merchant ID migration, prompting emergency reconciliations and the implementation of stricter balance controls, self‑consistency checks, and regular ledger audits to safeguard fund security.
account reconciliationduplicate withdrawalfund security
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