Bitcoin
BitcoinRank: # 1
Market Cap: $ 1,639,305,762,435
Volume (24hrs): $ 42,761,274,285
Circulating Supply: 20,095,343 BTC
Price in BTC: Ƀ 1.00000000
Change (1 Hr): -0.02%
Change (7 Days): -3.39%
Change (30 Days): 4.27%
All Time High: $ 126,080.00
All Time High Date: October 6, 2025
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- Here’s what happened in crypto todayCointelegraph.com News - 4 hours agoNeed to know what happened in crypto today? Here is the latest news on daily trends and events impacting Bitcoin price, blockchain, DeFi, Web3 and…
- Netflix drops trailer for series based on FTX’s SBF and Caroline EllisonCointelegraph.com News - 4 hours agoSam Bankman-Fried remains in federal prison following his 2023 conviction, while Caroline Ellison was released in January.Video streaming platform Netflix released a trailer for its…
- IMF warns tokenized markets could amplify financial risksCointelegraph.com News - 6 hours agoThe global financial institution found tokenized equity markets less liquid and more volatile than traditional markets, despite growing demand for 24/7 trading.Tokenization could reshape financial…
- Bitcoin nears 3-week low as oil heads higher on Iran strike woesCointelegraph.com News - 6 hours agoBitcoin dipped below $81,000 and oil prices gained after reports that military confrontation between the US and Iran could return.Bitcoin (BTC) risked losing key support…
- US government moves $1B in seized Bitcoin after $770M transfersCointelegraph.com News - 7 hours agoBlockchain analysts identified the US government wallet tied to the recovery of funds from the Bitfinex hack.The US government completed another major transaction involving seized…
What is Bitcoin?
Bitcoin is the first decentralized cryptocoin ever built on top of a blockchain. It was created by an anonymous person or group of people with the nickname Satoshi Nakamoto in 2009 as an open source project.
To understand the Bitcoin blockchain we can imagine a book, where each page number contains a signature that can validate the content of that page and its previous one. This signature is computed by an algorithm known as SHA-256 and cannot be reversed. In other words we can calculate the A-256 signature from some content, but we can’t get content if we know its SHA-256 signature. Back to the example with the book: if we tear out a page from the book, we can easily understand that a page is missing. The same is with adding an inexistent page. All the pages are copied between members of the chain, and this is why the Bitcoin Blockchain is considered a distributed network.
Bitcoin is an open source project maintained by a developer team with over 580 active contributors. The code of the chain is available on Github. The main purpose of Bitcoin was decentralized but trusted, low fee money transactions between people and businesses around the world. Nowadays over 100.000 vendors accept Bitcoin for payments. And there are between 2.9 and 5.8 million unique users who actively use Bitcoin cryptocurrency wallets. The price of Bitcoin can be very volatile due to speculation and has changed in the past more than +/-20% during a single.
Bitcoin
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Total Crypto Market Cap
Total DeFi Market Cap
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- EUR
- USD
- GBP
- 72.828,61 €
- $ 81,576.00
- $61,732.23
