ledger

A book for keeping notes; a record book, a register.

A book or other scheme for keeping accounting records.

A distributed ledger, a public financial transaction database, typically using a blockchain.

A collection of accounting entries consisting of credits and debits.

A large, flat stone, especially one laid over a tomb.

A board attached to a wall to provide support for attaching other structural elements (such as deck joists or roof rafters) to a building.

Ellipsis of ledger bait (“fishing bait attached to a floating line fastened to the bank of a pond, stream, etc.”) or ledger line (“fishing line used with ledger bait for bottom fishing; ligger”).