Bitcoin
BitcoinRank: # 1
Market Cap: $ 1,558,278,005,684
Volume (24hrs): $ 27,348,811,946
Circulating Supply: 20,020,393 BTC
Price in BTC: Ƀ 1.00000000
Change (1 Hr): 0.08%
Change (7 Days): 1.55%
Change (30 Days): 11.18%
All Time High: $ 126,080.00
All Time High Date: October 6, 2025
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- Hyperliquid whale holds $38M short against Bitcoin, but does it matter?Cointelegraph.com News - 8 hours agoA Hyperliquid whale holds large short positions against Bitcoin and several altcoins. Does the position provide any signal on the markets’ future outcomes?Key takeaways:A whale…
- US authorities freeze $344M in crypto linked to IranCointelegraph.com News - 12 hours agoThe announced crypto freeze came just one day after Tether said it had frozen $344 million of its USDt stablecoin in response to a request…
- Bitcoin developer Paul Sztorc announces BTC hard fork called eCashCointelegraph.com News - 13 hours agoThe hard fork will introduce a new, competing layer-1 blockchain and seven layer-2 scaling networks, according to Sztorc’s announcement.Bitcoin developer Paul Sztorc announced on Friday…
- Top memecoin holders expected to attend Trump luncheonCointelegraph.com News - 14 hours agoThe US President has confirmed his attendance for the Florida event, but it’s unclear whether Tron founder Justin Sun, suing the Trump family’s crypto business,…
- Aurelion allocates $48M in tokenized gold to newly launched yield protocolCointelegraph.com News - 14 hours agoThe XAUE protocol lets holders earn yield on tokenized gold through lending and trading strategies while maintaining exposure to the underlying asset.Aurelion, a Nasdaq-listed company…
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.
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- EUR
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- 66.370,78 €
- $ 77,805.00
- $57,493.62
