$BTC

It seems like you're referring to "BTC," which is commonly the abbreviation for Bitcoin, the decentralized digital currency. Bitcoin was introduced in 2009 by an anonymous person or group of people using the pseudonym Satoshi Nakamoto. It operates on a peer-to-peer network without the need for intermediaries like banks, and it uses blockchain technology to secure transactions and control the creation of new units.

Would you like more information about Bitcoin, its technology, or its current status? Let me know how you'd like to explore it!