New ask Hacker News story: Ask HN: How are account balances updated in a real bank?

Ask HN: How are account balances updated in a real bank?
3 by kul_ | 1 comments on Hacker News.
To folks who worked with financial organisations, I wonder how accurate the Account Balance updated examples are with respect to transaction isolation and concurrent updates? Or do banks just updates ledger and balances in a literally serialized manner with one thead avoiding any complexity altogether?

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