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Real-Time Ledger Systems: Optimistic Locking in a Double-Entry Ledger

martinrichards.me · published 17 January 2026

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Snapshot Isolation vs Serializability Read at the source ↗

https://github.com/martinffx/exchequerio/blob/main/apps/api/src/repo/LedgerTransactionRepo.ts

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https://github.com/martinffx/exchequerio/blob/main/apps/api/test/bench/transaction.bench.ts

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https://aws.amazon.com/blogs/architecture/exponential-backoff-and-jitter/

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https://dataintensive.net/

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https://martinfowler.com/eaaCatalog/optimisticOfflineLock.html

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https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/DynamoDBMapper.OptimisticLocking.html

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