$BTC BTC, or Bitcoin, is a decentralized digital currency that operates without a central authority, such as a government or financial institution. It was created in 2008 by an unknown individual or group of individuals using the pseudonym Satoshi Nakamoto. Bitcoin transactions are recorded on a public ledger called the blockchain, which ensures transparency and security. Bitcoin is generated through a process called mining, where participants use computing power to solve complex mathematical problems. It has gained popularity as both a form of digital currency and a store of value, attracting investors and users worldwide. Bitcoin’s value can be highly volatile.