$BTC
*BTC (Bitcoin)* is a decentralized digital currency that allows peer-to-peer transactions without the need for a central authority like a bank. It was created in 2009 by an unknown person or group of people using the pseudonym Satoshi Nakamoto. Bitcoin operates on a blockchain, a public ledger that records all transactions. It has gained popularity due to its potential for high returns, privacy, and security. However, Bitcoin's value can be highly volatile, making it a risky investment for some.