$BTC Bitcoin ($BTC) ek decentralized digital currency hai jo 2009 mein Satoshi Nakamoto ne banai thi. Yeh peer-to-peer technology par kaam karti hai, jisme users directly transactions kar sakte hain bina kisi central authority, jaise ke bank ke. Bitcoin ka supply limited hai, sirf 21 million BTC tokens exist karte hain, jo usay deflationary banata hai. Bitcoin mining, ek computational process hai jisme miners naye coins banate hain aur transactions verify karte hain. Iska use investment ke liye, online payments, aur remittances ke liye hota hai. Bitcoin ne global financial system ko challenge kiya hai aur digital assets mein revolution laaya hai.