Bitcoin
Fundamentals● Common
A decentralized digital currency and payment network launched in 2009 by the pseudonymous Satoshi Nakamoto. Uses proof-of-work mining for consensus, cryptographic signatures for ownership, and a blockchain for transaction history. Fixed supply of 21 million coins makes it a deflationary asset.
Technical Notes
Ticker: BTC (or XBT in forex). Smallest unit: 1 satoshi = 0.00000001 BTC. Block time: ~10 minutes. Halving every 210,000 blocks (~4 years). Final coin mined around 2140. Network secured by SHA-256 proof-of-work. Open source under MIT license.
Metadata
Visibility: Public
Created:1/3/2026by System