Bitcoin is a decentralized digital currency that was created in 2009 by an unknown individual or group using the pseudonym Satoshi Nakamoto. It operates on a peer-to-peer network, with transactions being verified by network nodes through cryptography and recorded in a public distributed ledger called the blockchain. One of the key features of bitcoin is its limited supply, with a total of 21 million bitcoins that can ever be mined. This scarcity has driven up the price of bitcoin over the yea...