$BTC Bitcoin ($BTC) started in 2009 as the first decentralized digital currency, created by Satoshi Nakamoto. From a few cents, it soared past $69,000 in 2021, driven by adoption and limited supply. In 2024, fueled by halving and growing institutional interest, it crossed $100,000. Experts predict by the end of 2025, Bitcoin could reach $150,000–$200,000, with demand growing amid global economic uncertainty