Designing FinTech for the Day Everything Fails: Cyberattacks, Outages, Dependencies, and Recovery
A payment provider accepts a transaction, but its response never reaches your backend. The customer sees a timeout. An operator considers switching traffic to another provider. That recovery decision can create a duplicate charge. FinTech resilience requires more than restoring services. The architecture must preserve financial correctness while transaction outcomes remain uncertain. The Problem…
We haven't written up this one. Dev.to has the full story — the link below goes straight to it.