Why 100% of Your Unit Tests Pass Before a 38,400 USD Double-Charge: The 10-Character Alphabet of Distributed Crashes
Last month, an autonomous payout workflow passed 100% of its unit tests, cleared staging, and double-charged Rs 32 Lakhs (38,400 USD) across 160 customer accounts in 4 minutes. During the incident, no server crashed. The payment gateway stayed up. Every microservice behaved 100% according to its in…
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- 2026-11-12 18:16 · DEV Community — AI
Why 100% of Your Unit Tests Pass Before a 38,400 USD Double-Charge: The 10-Character Alphabet of Distributed Crashes