#bitcoin Bitcoin (BTC) is the first and largest cryptocurrency, created in 2009 by an unknown person or group under the pseudonym Satoshi Nakamoto. It introduced the concept of a decentralized digital currency operating on blockchain technology, allowing peer-to-peer transactions without intermediaries like banks. Bitcoin has since become the most widely recognized and valuable cryptocurrency in the world.
CoinMarketCap
Bitcoin’s total supply is capped at 21 million coins, with around 19.98 million BTC currently circulating. Its price has seen extreme volatility, hitting all-time highs above $126,000 in October 2025 before undergoing corrections in subsequent months. Bitcoin’s market dominance and liquidity make it a benchmark for the broader crypto market.
CoinMarketCap
Investors and traders use candlestick charts to visualize Bitcoin’s price action over time, where each candle shows the opening, closing, highest, and lowest prices for a specific period. These charts help in analyzing market trends and sentiment.