Bitcoin
BitcoinRank: # 1
Market Cap: $ 1,604,609,275,671
Volume (24hrs): $ 45,475,994,017
Circulating Supply: 20,029,650 BTC
Price in BTC: Ƀ 1.00000000
Change (1 Hr): -0.46%
Change (7 Days): -0.12%
Change (30 Days): 7.73%
All Time High: $ 126,080.00
All Time High Date: October 6, 2025
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- Gemini reports 42% revenue growth after expansion into financial servicesCointelegraph.com News - 9 hours agoGemini credit card revenue surged nearly 300% to $14.7 million in Q1, attributed to significant growth in its user base. Crypto company Gemini reported a…
- Crypto data company Dune cuts 25% of staff in restructuringCointelegraph.com News - 9 hours agoDune co-founder and CEO Fredrik Haga says the company’s staff cuts come as it shifts focus and is “all-in” on AI and institutional interest in…
- Strive rallies 5.8% as it clears debt in Q1, unveils daily dividendsCointelegraph.com News - 11 hours agoStrive reported a net loss of $265.9 million for Q1, which it attributed to the fall in market value of its Bitcoin holdings, but saw…
- UK politician Nigel Farage bought $1.8M house after a $6.7M crypto giftCointelegraph.com News - 15 hours agoThe news follows growing calls from UK lawmakers and government officials to curb or temporarily ban crypto political donations in the country.United Kingdom politician Nigel…
- Dartmouth endowment invests in Solana ETF, holds $14M in crypto exposureCointelegraph.com News - 15 hours agoThe unversity’s endowment disclosed holdings in the Bitwise Solana staking ETF, Grayscale Ethereum staking ETF and BlackRock’s iShares Bitcoin ETF.The $9 billion endowment of Ivy…
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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- 68.700,44 €
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