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Screenshot of bbc.com: Revolut down as users report app not working

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Revolut down as users report app not working

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BBC News report on a Revolut outage affecting multiple services, with thousands of users reporting problems with the banking app.

What HN thinks

A bank outage thread that somehow became a seminar on ledgers, cash freedom and whether you can buy cocktails on a plane with USDC.

Ledgers beat mutable balance rows
Sparked by an interview anecdote, commenters debated append-only transaction ledgers versus locked balance rows, touching on CAP tradeoffs, Kafka event logs and hybrid approaches.
Keep cash and backup cards
Many argued the outage shows why cash or a second card from another bank matters, while others noted cash is increasingly refused or awkward.
Single-region cloud dependency is the real failure
The outage traced to a Google Cloud London region problem, and commenters faulted tight coupling to one region rather than AI-written code.

Consensus: Most agree Revolut's reliance on a single cloud region was a resilience failure and that having a backup payment method is wise; crypto as the fix was widely rejected.

Recommended in the comments

Apache Kafka (tool): Suggested as an append-only ledger for money movements that scales horizontally and lets other systems derive balances.
Monzo Stand-in ↗ (product): Shared as an example of a bank designed to tolerate full cloud outages.

Summarised by Claude from the comment thread 3 days ago.

Points: 76
Comments: 88
Posted: 2026-10-20 by baal80spam
Category: Finance crypto

revolut fintech outage banking mobile-apps

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