Bitcoin is decentralized digital money that may be bought, sold, and exchanged without an intermediary such as a bank. Bitcoin is based on a blockchain that is considered to be a distributed digital ledger. As the name suggests, blockchain is a linked database made up of blocks that store information about each transaction, such as the date and time, total amount, buyer and seller, and a unique identifier for each exchange. Entries are linked in chronological order to form a digital blockchain