Bitcoin
BitcoinRank: # 1
Market Cap: $ 1,247,994,737,576
Volume (24hrs): $ 30,778,075,687
Circulating Supply: 20,039,087 BTC
Price in BTC: Ƀ 1.00000000
Change (1 Hr): 0.12%
Change (7 Days): -15.23%
Change (30 Days): -22.00%
All Time High: $ 126,080.00
All Time High Date: October 6, 2025
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- Bitcoin most oversold since 2020 crash: Can BTC rebound to $70K next?Cointelegraph.com News - 1 day agoBitcoin’s latest oversold RSI mirrors 2020 and February 2026 setups that preceded 50% and 30% rebounds, putting $70K back in focus.Bitcoin (BTC) is now flashing…
- ETH falls to 13-month low on Zcash bug news and Bitcoin drop to sub-$60K: Is $1.4K next?Cointelegraph.com News - 1 day agoETH price crashed below $1,600 as a vulnerability in Zcash emerged and Bitcoin sold off below $60,000 for the first time in months. Key takeaways:Ether…
- Travala lets AI agents book hotels with USDC on BaseCointelegraph.com News - 1 day agoTravala’s new protocol lets AI agents search and book hotels with USDC on Base, but travelers still approve the final payment.Singapore-based crypto travel platform Travala…
- Crypto tax proposals weighed ahead of Tuesday House hearingCointelegraph.com News - 1 day agoAmong the issues US lawmakers are expected to discuss in a digital asset taxation hearing are “de minimis” reporting exceptions for crypto transactions.The US House…
- Bitcoin bears face $2.6B trap as BTC funding rate drops: Is a short squeeze brewing?Cointelegraph.com News - 1 day agoBitcoin bears piled into short positions as BTC price slid to $60,000. Will the $2.6 billion in short leverage lead to an upside squeeze? Key…
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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- 54.012,99 €
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