USD/AUD(Australian dollar) |
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USD/IDR(Indonesian rupiah) |
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Bitcoin (BTC) is a decentralized, peer-to-peer digital currency that allows users to send and receive value directly, without banks or other intermediaries. It was introduced on October 31, 2008, when a pseudonymous person or group using the name Satoshi Nakamoto published the whitepaper "Bitcoin: A Peer-to-Peer Electronic Cash System." Bitcoin's mainnet launched in January 2009, making it the first cryptocurrency and the origin of blockchain technology as it's used today.
Bitcoin runs on its own blockchain, a public, distributed ledger maintained by a global network of computers rather than a central authority. Transactions are verified and secured through proof-of-work (PoW) mining, in which computers compete to solve cryptographic puzzles using the SHA-256 algorithm. Once a transaction is confirmed on the blockchain, it becomes effectively permanent and cannot be altered or reversed, which is what gives Bitcoin its security and censorship resistance.
Bitcoin's supply is capped at 21 million coins by protocol rule, with new BTC issued to miners through a block reward that halves roughly every four years. As of June 2026, about 20.05 million BTC were in circulation, with a market cap of roughly $1.18 trillion, ranking #1 among cryptocurrencies, according to CoinGecko and CoinMarketCap. Bitcoin's launch inspired thousands of other cryptocurrencies, but it remains the largest and most widely held digital asset by market capitalization.
The BTC/USD exchange rate is driven by supply and demand across global cryptocurrency markets. Key factors include trading volume, market liquidity, macroeconomic events, regulatory news, and overall investor sentiment. Since crypto markets operate 24/7, the BTC to USD rate can shift at any moment based on real-time market activity.
On ChangeHero, the BTC to USD price is updated in real time. We continuously aggregate data from leading exchanges and liquidity providers to ensure you always see the most accurate and up-to-date Bitcoin rate.
Cryptocurrency markets never close — they operate around the clock, 365 days a year. The BTC price reacts instantly to global trading activity, news events, whale transactions, and shifts in market sentiment. This constant activity means the Bitcoin price can fluctuate within seconds.
The market price of BTC is a reference value based on aggregated data from multiple exchanges. The exchange rate is the actual price at which you can buy or sell Bitcoin in a specific transaction — it may include network fees and a small service margin. On ChangeHero, we minimize this difference by sourcing rates from multiple providers to offer you the most competitive BTC/USD rate.
ChangeHero automatically compares BTC to USD rates across multiple trusted liquidity providers and exchanges in real time. Our system selects the best available rate for your transaction, so you always get the most value when exchanging Bitcoin — with no extra effort on your part.
Each exchange has its own order book, liquidity pool, and user base, which leads to slight price variations for Bitcoin. Differences in trading volume, geographic demand, and withdrawal fees all contribute to these discrepancies. ChangeHero solves this by aggregating rates from multiple providers, ensuring you get the best BTC/USD rate without having to compare exchanges yourself.
BTC/ADA(ADA) |
BTC/BNB(BNB) |
BTC/ETH(ETH) |
BTC/LTC(LTC) |
BTC/TRX(TRX) |
BTC/XRP(XRP) |
BTC/DOGE(DOGE) |
BTC/LINK(LINK) |
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