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by EvanAnderson
1406 days ago
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Quite simply each entry contains both the "to" and "from" for the transaction. It's a construct to guarantee atomicity. The two "sides" of the transaction can never be out of balance with each other. If you lose an entire entry the system remains in balance-- you've lost a transaction but you're not in a situation wondering "where the money went" because nothing moves without both sides of the transaction. |
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