Sure! A public ledger in cryptocurrency, often referred to as a blockchain, is a distributed database that records all transactions across a network of computers. This ledger is public, meaning that anyone can access it and view all the transactions that have taken place on the network. Each transaction is verified by network participants through a process called consensus, ensuring the accuracy and security of the ledger. The transparency of the public ledger helps to prevent fraud and provides a secure way to track the movement of digital assets.