Bitcoin
Proof-of-work peer-to-peer currency network with a hard cap of 21 million bitcoins.
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Bitcoin key facts
| Category | Layer 1 blockchain |
|---|---|
| Platforms | Mainnet, RPC |
| Token | BTC |
| Open source | Yes (Bitcoin Core) |
BTC token
- Price
- $84,113 +0.6% 24h
- Market cap
- $1.7T
- Fully diluted value
- $1.7T
- 30-day change
- +4.9%
Market data: CoinGecko, updated Sep 26, 2026. Educational content, not financial advice.
What is Bitcoin?
Bitcoin is a peer-to-peer digital currency secured by proof-of-work mining. Its first specification was published in 2009 by Satoshi Nakamoto. New blocks arrive about every 10 minutes on average, and issuance halves over time until a total of 21 million bitcoins exist.
Bitcoin pros and cons
- Supply capped at 21 million bitcoins
- Reference software Bitcoin Core is open source on GitHub
- Creator Satoshi Nakamoto left the project in late 2010; no company runs it
- Blocks arrive about every 10 minutes on average, with no guaranteed time
- Miners are expected to rely on fees alone once issuance ends
- Waiting for several confirmations is advised before treating a payment as final
Bitcoin FAQ
What is Bitcoin?
Bitcoin is a peer-to-peer digital currency secured by proof-of-work mining. Its first specification was published in 2009 by Satoshi Nakamoto. New blocks arrive about every 10 minutes on average, and issuance halves over time until a total of 21 million bitcoins exist.
Does Bitcoin have a token?
Yes, BTC. Its market cap was $1.7T on CoinGecko on Sep 26, 2026. Educational content, not financial advice.
Sources
How this page works
Sources: Bitcoin: official site, Bitcoin: FAQ, Bitcoin: Bitcoin Core GitHub repository. Data as of Sep 26, 2026.
Not affiliated with any project listed. Educational content, not financial advice.