A public ledger derives its name from the age-old record-keeping system used to record information, such as agricultural commodity prices, news, and analysis.
As cryptocurrency-based blockchain systems emerged, which rely on a similar record-keeping and public verification mechanism, the use of the public ledger gained popularity in the world of cryptocurrency. A cryptocurrency distributed ledger is an agreement of shareable, shared, and synchronized data, which in this case is spread across several networks. These networks are then distributed over many computers.
Physically, a public ledger can be viewed as a data management or storage system similar to a database system of bank records. A is a form of public ledger, which is a series (or chain) of blocks on which transaction details are recorded after suitable authentication and verification by the designated network participants.