Bitcoin

P2P Protocol

The original peer-to-peer electronic cash protocol — a decentralized, trust-minimized ledger secured by Proof-of-Work mining, with no central issuer or validator set. Bitcoin Core is the reference implementation; independent implementations (btcd, bcoin, libbitcoin) exist and must conform to the same consensus rules. Protocol changes go through the informal Bitcoin Improvement Proposal (BIP) process — rough consensus among node operators, miners, and developers, not a formal vote.

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Details

License MIT
Dev Status 🟢 Active
Owner No single owner — an open-source project with a large, distributed contributor base.
Governing Body None (informal rough consensus via the BIP process; no foundation or company holds authority over consensus rules).
Country N/A (globally distributed, no single jurisdiction)
Start Year 2009
Stack C++ (Bitcoin Core); independent implementations exist in Go (btcd), JavaScript (bcoin), and C++ (libbitcoin) conforming to the same protocol.
Funding No formal funding entity; Bitcoin Core development is funded via a mix of individual, company (e.g. exchanges, mining firms), and grant-based sponsorship of individual contributors, not a treasury.
Last Investigated Aug 23, 2026

Topology view

This tool in the centre and the things it is directly related to. Each line names the kind of relationship.

Topology view: BitcoinThis tool in the centre and the things it is directly related to. Each line names the kind of relationship.BitcoinCashu (Basis for, Hosts, Protocol spoken by)CashuEthereum (Basis for)EthereumUniform Resources (Basis for)UniformResourcesZcash (Basis for, Forks, Protocol spoken by)ZcashGEB Network (Bridged from)GEB NetworkDistributed-Ledger Protocol Grammar (Hosts)Distributed-…Protocol Gra…Zapstore (Hosts)Zapstorex402 (Inspired)x402Agora (Protocol spoken by)AgoraSSKR (Succeeded by)SSKR

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Use Case Domains

Platform Evolution & Sovereignty

P2P Protocol Attributes

Origins Peer-to-peer electronic cash, first described in Satoshi Nakamoto's 2008 whitepaper.
Database N/A (append-only blockchain, not a queryable database in the conventional sense)
Query Language N/A (RPC interface for node queries; no query language)
Data Formats Binary block/transaction format (custom serialization).
Collaborative Live Editing N/A
Rich Text Editing N/A
Mobile Support Via third-party wallet apps (not part of Bitcoin Core itself).
Web Support Via third-party block explorers and web wallets; Bitcoin Core itself is not a web app.
Native Apps Yes — Bitcoin Core ships desktop node/wallet software (Windows/macOS/Linux).
Terms Free, open-source software; network transaction fees paid to miners.
Funds Not tracked as a single project treasury (see Funding).
Based On Builds on prior work in cryptographic hash functions, digital signatures, and Byzantine fault tolerance research; not itself built on another protocol.
P2P Architecture Unstructured gossip network of full nodes; each node independently validates and relays blocks/transactions; no supernodes or privileged peers.
Overlay Network Global, permissionless — any node can join by connecting to peers via DNS seeds or hardcoded IPs.
Content Addressing No (transaction/block references are by hash, but this isn't a general content-addressing system).
Local-First N/A
E2EE N/A (public ledger, not a messaging protocol)
CRDTs Lib N/A
Byzantine Fault Tolerance Yes — Nakamoto consensus (longest valid chain with most cumulative work) provides probabilistic BFT-equivalent guarantees under an honest-majority-hashpower assumption.
Signature ECDSA (secp256k1), with Schnorr signatures available since the 2021 Taproot upgrade.
Permissions Permissionless — anyone can run a node, mine, or transact without authorization.
Semantic Web Compatibility No.
Smart Contract Limited — Bitcoin Script (a non-Turing-complete stack-based language); Taproot/Tapscript extended scripting capability in 2021.
Protocol Stack Position Base-layer settlement (Layer 1); Lightning Network and other protocols build payment/state channels on top.
Asset / Value Embedding Native — BTC is the protocol's own unit of value; UTXO model.
Protocol Maturity / Standardization Mature, de facto standard — no formal standards body, but 15+ years of continuous mainnet operation and the most widely-adopted PoW blockchain protocol.

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How this tool connects to other tools and organizations, from relationships reviewed by the OpenHaven data steward. They describe how projects connect, not how good they are.

Succeeded by
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Bridged from
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Protocol spoken by