📡Distributed Ledgers

Distributed ledger technology aka blockchains widely use cryptocurrencies and rely on cryptography for secure operation.

A blockchain is a distributed ledger. Distributed ledger technology is notoriously known as a blockchain. A blockchain is a system of recording information in a way that makes it difficult or impossible to change, hack, or cheat the history— data is highly immutable and encrypted.

Information on a blockchain gets recorded in the form of 'inputs' known as transactions