Bitcoin
type: Thing
type: Software
label: ビットコイン @ja
label: بيتكوين @ar
label: 비트코인 @ko
label: Біткоїн @uk
label: Bitmono @eo
label: Биткойн @ru
label: 比特币 @zh
exchange rate: Floating
implementations: Bitcoin Core
source model: Free and open-source software
block reward: ₿3.125
block time: 600.0
circulating supply: ₿19,591,231
code repository: bitcoin
hash function: SHA-256
initial release date: 2009-01-09
issuance schedule: Initially ₿50 per block, halved every 210,000 blocks
issuance schedule: Decentralized
ledger start: 2009-01-03
programming languages: C++
supply limit: ₿21,000,000
timestamping: Proof of work
white paper: bitcoin.pdf
subject: Category:Bitcoin
subject: Category:Currencies introduced in 2009
subject: Category:Cryptocurrencies
footer: Bitcoin logos made by Satoshi Nakamoto in 2009 and 2010 .
website: bitcoin.org
status: Active
alt: Prevailing bitcoin logo
image: --01-03
image: Bitcoin old.png
image: Sample Bitcoin paper wallet.png
image: Bitcoin.svg
image: Bitcoin-core-v0.10.0.png
image: Bitcoin.png
align: center
author: Satoshi Nakamoto
latest release date: 2025-04-14
currency name: Bitcoin
using countries: Bitcoin in El Salvador
license: MIT License
commons: Bitcoin
float: right
portal: Free and open-source software
portal: Business and economics
portal: Internet
portal: Money
portal: Numismatics
code: BTC
symbol: ₿
description: ക്രിപ്റ്റോകറന്‍സി @ml
description: criptomoeda @gl
description: elektroniese geldeenheid @af
description: สกุลเงินดิจิทัล @th
description: электрондық (цифрлық) қолма-қол ақша жүйесі және ол қолданатын валюта @kk
description: электрон аҡса системаһы һәм ундағы валюта берәмеге @ba
description: Kriptovalyuta @az
description: Mata Wang Digital @ms
description: დეცენტრალიზებული კრიპტოვალუტა @ka
description: sistem monetar digital și moneda asociată @ro
description: дигитална и глобална криптовалута @sr
description: virtuelles Gäld @gsw
description: குறியாக்க நாணயம் @ta
description: система електронної готівки і використовувана нею валютна одиниця @uk
description: kryptovaluta @sv
description: デジタル決済システムおよびその通貨 @ja
description: digital valuta @nn
description: دراوی دیجیتاڵی سەربەخۆ @ckb
description: דיגיטאלישע וואלוטע @ji
description: digitaole munteên'eid @zea
description: ꠒꠤꠎꠤꠐꠣꠟ ꠇꠠꠤ ꠀꠞ ꠒꠤꠎꠤꠐꠣꠟ ꠙꠄꠡꠣꠇꠠꠤꠞ ꠇꠟ @syl
description: система электронной наличности и используемая ей валютная единица @ru
description: munita elettronika maħluqa fl-2009 @mt
description: criptomoneda descentralitzada @ca
description: avoimen lähdekoodin digitaalinen valuutta @fi