+A ledger is a fundamental [Accounting](/wiki/Accounting) record, systematically organizing [Transaction](/wiki/Transaction) data. It serves as an immutable log, charting the flow of value and ensuring financial clarity over time, from physical books to distributed digital systems.
+## See also
+- [Bookkeeping](/wiki/Bookkeeping)
+- [Blockchain](/wiki/Blockchain)
+- [Finance](/wiki/Finance)
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