Bitcoin: A Brief Introduction to the World's First Cryptocurrency Bitcoin is a digital currency that was invented in 2009 by an unknown person or group using the name Satoshi Nakamoto. It is a decentralized, peer-to-peer network that operates without a central bank or single administrator. The Bitcoin network relies on a technology called blockchain, which is a decentralized ledger of all transactions that have ever occurred on the network. This ledger is maintained by a network of users...