How do banks handle cross bank transaction?

The name of the pictureThe name of the pictureThe name of the pictureClash Royale CLAN TAG#URR8PPP


How do banks handle cross bank transaction?



let's just say that customer A in bank 1 wants to send 1000$ money to customer B in bank 2.
How do the banks make sure that this transaction is atomic?



I understand that inside the same database, we can use database transaction to ensure the atomicity.
But how is that accomplished if it's cross applications?



Thanks





Possible duplicate of How does the banking transactions work "under the hood" - possibly in detail
– Dan Bechard
Feb 25 '16 at 21:52




1 Answer
1



they don't they settle the difference only at the end if day or whenever is convenient






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