Scarcity
A hard cap of 21 million coins.
Crypto · Core
Bitcoin is the first and largest cryptocurrency: a fixed-supply, decentralized digital asset secured by proof of work.

Bitcoin is a decentralized digital currency and settlement network launched in 2009. Its supply is capped at 21 million coins and it is secured by miners using proof of work.
A hard cap of 21 million coins.
No company or government controls issuance.
Spot ETFs and corporate treasuries brought new buyers.
Lightning and other layers extend payments and programmability.
Editorial tiers for speed, fees and developer activity. TVL updates live from DeFiLlama when available.
| Chain | Consensus | TPS | Fees | Dev activity | TVL (live) | Stablecoins | Use cases | AI ecosystem | Tokenization | Community |
|---|---|---|---|---|---|---|---|---|---|---|
| Bitcoin | Proof of Work | Low | Variable | Strong | — | Minimal on base layer (Lightning / sidechains) | Store of value, settlement, treasury asset | Limited — mostly data and mining infrastructure | Early (Runes, BRC-20, wrapped BTC) | Largest, most ideological |
Scroll sideways on small screens. Throughput, fee and developer tiers are editorial summaries, not benchmarks.
Digital gold / reserve asset
Bitcoin was created by the pseudonymous Satoshi Nakamoto, whose identity is unknown.
AI.Robotics.Quantum.Crypto.Communities.Participation.