Bitcoin
Version 1.0.0 · Updated 2026-07-30
CORE DEFINITION
A decentralized digital currency based on blockchain technology, which uses cryptographic principles to ensure transaction security without the need for a central authority to issue or manage it. The total supply is fixed at 21 million coins.
SCAFFOLDING EFFECT
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An experiment in decentralized finance. Bitcoin demonstrates how to achieve a decentralized trust mechanism through technical means, challenging traditional currency issuance and financial systems, and providing an important practical case for understanding blockchain technology, digital assets, and the nature of money.
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Bitcoin relies on a blockchain—a public ledger maintained collectively by nodes across the network, linked in chronological order. Miners compete for the right to add blocks through Proof of Work (PoW). Cryptographic hashing and public/private keys ensure that transactions are tamper-proof and identities are verifiable, while decentralized consensus replaces central trusted authorities.
MINIMUM ACTION
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/Bitcoinverified
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