# bitcoin
## English
### Etymology

From bit (“binary digit”) +‎ coin, coined by Satoshi Nakamoto, believed to be a pseudonym for one or more people, in the domain name bitcoin.org registered on 18 August 2008; and in the title of the white paper “Bitcoin: A Peer-to-Peer Electronic Cash System”, a link to which was posted on the cryptography mailing list metzdowd.com on 31 October 2008: see the quotation.

### Pronunciation

* (Received Pronunciation) IPA: /ˈbɪtkɔɪn/
* Audio (Southern England):(file)
* (General American) IPA: /ˈbɪtˌkɔɪn/
* Hyphenation: bit‧coin

### Proper noun

bitcoin
* (uncountable, computing, finance) A decentralized cryptocurrency using blockchain technology. [from 2008]
    Hypernym: cryptocurrency
    We do not accept bitcoin at this store.
** 2008 October 31, Satoshi Nakamoto [pseudonym], “Bitcoin: A Peer-to-Peer Electronic Cash System”, in Bitcoin.org‎, archived from the original on 2025-01-04:Bitcoin: A Peer-to-Peer Electronic Cash System [title] […] What is needed is an electronic payment system based on cryptographic proof instead of trust, allowing any two willing parties to transact directly with each other without the need for a trusted third party. […] In this paper, we propose a solution to the double-spending problem using a peer-to-peer distributed timestamp server to generate computational proof of the chronological order of transactions.
** 2011 December, Benjamin Wallace, “The Rise and Fall of Bitcoin”, in Wired‎, San Francisco, Calif.: Condé Nast Publications, →ISSN, →OCLC, archived from the original on 2025-01-02:[A] man named Satoshi Nakamoto posted a research paper to an obscure cryptography listserv describing his design for a new digital currency that he called bitcoin.
** 2014, Dale Blake, “Getting and Selling Bitcoins”, in Bitcoin Guide for Beginners: Bitcoin Trading and Mining Made Easy, La Vergne, Tenn.: Mihails Konoplovs, →ISBN:[Bitcoins] do not depend on the state banks, but are created through mining. Mining is also called as hashing. It is a process of solving complex math problems using those computers which run bitcoin software.
** 2015, Scott Green, “Bitcoin Growth and Trends”, in Bitcoin: The Ultimate A–Z of Profitable Bitcoin Trading & Mining Guide Exposed! (The Blokehead Series), Milan: Scott Green, →ISBN:Other e-commerce sites that accept bitcoin are: Bitcoinshop.us which offers products like watches and air conditioners and ships to people within the United States; […] Travel booking websites also start to accept bitcoin sales on flights, hotel bookings to at least 200,000 hotels and railway Amtrak through their platforms.
** 2016, Prypto [pseudonym], “Bitcoin Security”, in Bitcoin for Dummies (For Dummies), Hoboken, N.J.: John Wiley & Sons, →ISBN, part III (Using Bitcoin in Business), page 137:Individual bitcoin users are not the only driving force in terms of securing the bitcoin network. Over the past few years, dedicated bitcoin nodes have been added to the network with the sole purpose of receiving and broadcasting new bitcoin transactions to other users and nodes on the network.
** 2017 June, Andreas M[arkos] Antonopoulos, “Introduction”, in Tim McGovern, editor, Mastering Bitcoin: Programming the Open Blockchain, 2nd edition, Sebastopol, Calif.: O’Reilly Media, →ISBN, page 11:Find a friend who has bitcoin and buy some from him or her directly. Many bitcoin users start this way. This method is the least complicated. One way to meet people with bitcoin is to attend a local bitcoin meetup listed at Meetup.com (https://meetup.com).

#### Alternative forms

* Bitcoin, BitCoin

### Noun

bitcoin (plural bitcoins or bitcoin)
* (countable, computing, finance) A unit of the bitcoin (proper noun sense 1) cryptocurrency.
    Synonyms: ₿, BTC, XBT (all symbols)
    This item costs one bitcoin.
** 2008 November, Alex Marchand, “What is Money?”, in Dissolving Dollars: Exposing the Debt-based Insanity behind Modern Money, [S.l.]: 451° Publishing, published April 2015, →ISBN, page 12:The value of fiat money is determined by legal means (legal tender laws). In other words, fiat money is anything the government says in money. For instance, if the government says an IOU or a bitcoin is money, then it is money. The major currencies of the contemporary world are fiat money.
** 2011 December, Benjamin Wallace, “The Rise and Fall of Bitcoin”, in Wired‎, San Francisco, Calif.: Condé Nast Publications, →ISSN, →OCLC, archived from the original on 2025-01-02:Users willing to devote CPU power to running a special piece of software would be called miners and would form a network to maintain the block chain collectively. […] The first miner to solve each puzzle would be awarded 50 new bitcoins, and the associated block of transactions would be added to the chain. […] [Satoshi] Nakamoto himself mined the first 50 bitcoins—which came to be called the genesis block—on January 3, 2009.
** 2013, Elda Watulo, John Davidson, “Making a Hash of It”, in How to Make Money Online With Digital Currency Bitcoins (Entrepreneur Book Series; 8), [S.l.]: JD-Biz Publishing, →ISBN:Each time you succeed in creating a hash, you are rewarded with 25 bitcoins, the block chain is updated and all the users on the network are notified. This serves as an incentive to keep mining the bitcoins and keep the bitcoin transactions working.
** 2014, Kinsley Wallace, “How to Invest and Trade Bitcoins”, in Bitcoins: How to Invest, Buy and Sell: A Guide to Using the Bitcoin, [United States]: Speedy Publishing, →ISBN:They buy bitcoins at a lower price then sell them at a higher value.
** 2017, Chris Burniske, Jack Tatar, Cryptoassets: The Innovative Investor’s Guide to Bitcoin and beyond, New York, N.Y.: McGraw-Hill Education, →ISBN, page 177:But consider that a significant amount of bitcoin is also being held by investors. Those investors do not plan to sell their bitcoin for some time because they are speculating that due to its utility as MoIP, demand will continue to rise and so too will its value. Currently, roughly 5.5 million bitcoin, or US$5.5 billion worth at the price of US$1,000 per coin, is held by the top 1,000 addresses recorded in Bitcoin's blockchain.

#### Derived terms

* bitcoiner
* microbitcoin
* millibitcoin
* shitcoin

#### Related terms
##### Subdivisions of bitcoin

* decicoin: 0.1 BTC
* centicoin (also bitcent): 0.01 BTC
* millibitcoin (mBTC) (also millicoin, millibit): 0.001 BTC
* microbitcoin (μBTC) (also bit): 0.000001 BTC
* satoshi: 0.00000001 BTC

##### Other terms

* altcoin
* coiner
* dogecoin
* memecoin

#### Translations
### References

* ↑ “Bitcoin, n.”, in OED Online ⁠, Oxford: Oxford University Press, December 2024; “bitcoin, n.”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
* ↑ Zoë Bernard (2017 December 2) “Everything You Need to Know about Bitcoin, Its Mysterious Origins, and the Many Alleged Identities of Its Creator”, in Business Insider‎, archived from the original on 2018-06-15.

### Further reading

* bitcoin on Wikipedia.Wikipedia

### Anagrams

* binotic, biontic, bitonic

## Dutch
### Etymology

From English bitcoin.

### Pronunciation

* Audio:(file)

### Noun

bitcoin m (plural bitcoins, diminutive bitcointje n)
* bitcoin

## Finnish
### Etymology

English bitcoin

### Pronunciation

* IPA: /ˈbitkoi̯n/, [ˈbit̪ko̞i̯n]
* Rhymes: -itkoin

### Noun

bitcoin
* bitcoin

#### Declension

Possessive forms of bitcoin (Kotus type 5/risti, no gradation) :
first-person singular possessor
singular
plural
nominative
bitcoinini
bitcoinini
accusative
nom.
bitcoinini
bitcoinini
gen.
bitcoinini
genitive
bitcoinini
bitcoinieni
partitive
bitcoiniani
bitcoinejani
inessive
bitcoinissani
bitcoineissani
elative
bitcoinistani
bitcoineistani
illative
bitcoiniini
bitcoineihini
adessive
bitcoinillani
bitcoineillani
ablative
bitcoiniltani
bitcoineiltani
allative
bitcoinilleni
bitcoineilleni
essive
bitcoininani
bitcoineinani
translative
bitcoinikseni
bitcoineikseni
abessive
bitcoinittani
bitcoineittani
instructive
comitative
—bitcoineineni
second-person singular possessor
singular
plural
nominative
bitcoinisi
bitcoinisi
accusative
nom.
bitcoinisi
bitcoinisi
gen.
bitcoinisi
genitive
bitcoinisi
bitcoiniesi
partitive
bitcoiniasi
bitcoinejasi
inessive
bitcoinissasi
bitcoineissasi
elative
bitcoinistasi
bitcoineistasi
illative
bitcoiniisi
bitcoineihisi
adessive
bitcoinillasi
bitcoineillasi
ablative
bitcoiniltasi
bitcoineiltasi
allative
bitcoinillesi
bitcoineillesi
essive
bitcoininasi
bitcoineinasi
translative
bitcoiniksesi
bitcoineiksesi
abessive
bitcoinittasi
bitcoineittasi
instructive
comitative
—bitcoineinesi
first-person plural possessor
singular
plural
nominative
bitcoinimme
bitcoinimme
accusative
nom.
bitcoinimme
bitcoinimme
gen.
bitcoinimme
genitive
bitcoinimme
bitcoiniemme
partitive
bitcoiniamme
bitcoinejamme
inessive
bitcoinissamme
bitcoineissamme
elative
bitcoinistamme
bitcoineistamme
illative
bitcoiniimme
bitcoineihimme
adessive
bitcoinillamme
bitcoineillamme
ablative
bitcoiniltamme
bitcoineiltamme
allative
bitcoinillemme
bitcoineillemme
essive
bitcoininamme
bitcoineinamme
translative
bitcoiniksemme
bitcoineiksemme
abessive
bitcoinittamme
bitcoineittamme
instructive
comitative
—bitcoineinemme
second-person plural possessor
singular
plural
nominative
bitcoininne
bitcoininne
accusative
nom.
bitcoininne
bitcoininne
gen.
bitcoininne
genitive
bitcoininne
bitcoinienne
partitive
bitcoinianne
bitcoinejanne
inessive
bitcoinissanne
bitcoineissanne
elative
bitcoinistanne
bitcoineistanne
illative
bitcoiniinne
bitcoineihinne
adessive
bitcoinillanne
bitcoineillanne
ablative
bitcoiniltanne
bitcoineiltanne
allative
bitcoinillenne
bitcoineillenne
essive
bitcoininanne
bitcoineinanne
translative
bitcoiniksenne
bitcoineiksenne
abessive
bitcoinittanne
bitcoineittanne
instructive
comitative
—bitcoineinenne
third-person possessor
singular
plural
nominative
bitcoininsa
bitcoininsa
accusative
nom.
bitcoininsa
bitcoininsa
gen.
bitcoininsa
genitive
bitcoininsa
bitcoiniensa
partitive
bitcoiniaan bitcoiniansa
bitcoinejaan bitcoinejansa
inessive
bitcoinissaan bitcoinissansa
bitcoineissaan bitcoineissansa
elative
bitcoinistaan bitcoinistansa
bitcoineistaan bitcoineistansa
illative
bitcoiniinsa
bitcoineihinsa
adessive
bitcoinillaan bitcoinillansa
bitcoineillaan bitcoineillansa
ablative
bitcoiniltaan bitcoiniltansa
bitcoineiltaan bitcoineiltansa
allative
bitcoinilleen bitcoinillensa
bitcoineilleen bitcoineillensa
essive
bitcoininaan bitcoininansa
bitcoineinaan bitcoineinansa
translative
bitcoinikseen bitcoiniksensa
bitcoineikseen bitcoineiksensa
abessive
bitcoinittaan bitcoinittansa
bitcoineittaan bitcoineittansa
instructive
comitative
—bitcoineineen bitcoineinensa :

### Further reading

* “bitcoin”, in Kielitoimiston sanakirja [Dictionary of Contemporary Finnish]‎ (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki: Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland), 2004–, retrieved 2023-07-02

## French
### Etymology

Borrowed from English bitcoin.

### Pronunciation

* IPA: /bit.kɔjn/
* Audio:(file)

### Noun

bitcoin m (plural bitcoins)
* bitcoin

#### Derived terms

* bitcoineur

## Hungarian
### Etymology

Borrowed from English bitcoin.

### Pronunciation

* IPA: [ˈbitkojn]
* Hyphenation: bit‧coin
* Rhymes: -ojn

### Noun

bitcoin (plural bitcoinok)
* bitcoin
    Hypernyms: kriptovaluta, kriptopénz

#### Derived terms

* bitcoinista
* bitcoinos
* bitcoinozik
* bitcoin-automata
* bitcoin-előállítás
* bitcoinadomány
* bitcoinalapítvány
* bitcoinár
* bitcoinárfolyam
* bitcoinbánya
* bitcoinbányász
* bitcoinbányászat
* bitcoinbefektetés
* bitcoinbefektető
* bitcoinbuborék
* bitcoincím
* bitcoindrágulás
* bitcoineladás
* bitcoinelfogadás
* bitcoinellenes
* bitcoinfedezet
* bitcoinfelezés
* bitcoinfelhasználó
* bitcoinfizetés
* bitcoingazdaság
* bitcoinhálózat
* bitcoinhívő
* bitcoinjel
* bitcoinkereskedelem
* bitcoinkészlet
* bitcoinkibocsátás
* bitcoinkliens
* bitcoinközösség
* bitcoinláz
* bitcoinlufi
* bitcoinmánia
* bitcoinmennyiség
* bitcoinmilliomos
* bitcoinnyereség
* bitcoinösszeomlás
* bitcoinpárti
* bitcoinpénztárca
* bitcoinpiac
* bitcoinprotokoll
* bitcoinrali
* bitcoinrendszer
* bitcoinszabályozás
* bitcoinszakértő
* bitcoinszkeptikus
* bitcoinszoftver
* bitcoinszolgáltató
* bitcointárca
* bitcointőzsde
* bitcointranzakció
* bitcoinügylet
* bitcoinvagyon
* bitcoinváltás
* bitcoinvásárlás
* bitcoinzuhanás

## Polish
### Etymology

Unadapted borrowing from English bitcoin.

### Pronunciation

* IPA: /ˈbit.kɔjn/
* Audio:(file)
* Rhymes: -itkɔjn
* Syllabification: bit‧coin

### Noun

bitcoin m animal
* bitcoin (decentralized cryptocurrency)

#### Declension
### Further reading

* bitcoin in Polish dictionaries at PWN

## Portuguese
### Alternative forms

* Bitcoin

### Etymology

Unadapted borrowing from English bitcoin.

### Pronunciation

* (Brazil) IPA: /bi.t͡ʃiˈkɔ.ĩ/, /bit͡ʃˈkɔ.ĩ/
* (Brazil) IPA: /bi.t͡ʃiˈkɔ.ĩ/, /bit͡ʃˈkɔ.ĩ/
** (Southern Brazil) IPA: /bit͡ʃˈkɔ.ĩ/, /bi.t͡ʃiˈkɔ.ĩ/
* (Portugal) IPA: /bi.tɨˈkɔj.nɨ/, /bitˈkɔ.in/

### Noun

bitcoin m or f (countable and uncountable, plural bitcoins)
* (uncountable) bitcoin (a cryptocurrency)
    Hypernym: criptomoeda
* (countable) bitcoin (a unit of the bitcoin)

### Further reading

* “bitcoin”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2025
* “bitcoin”, in Dicionário infopédia da Língua Portuguesa (in Portuguese), Porto: Porto Editora, 2003–2025
* “bitcoin”, in Michaelis Dicionário Brasileiro da Língua Portuguesa (in Portuguese), São Paulo: Editora Melhoramentos, 2015–2025

## Romanian
### Etymology

Unadapted borrowing from English bitcoin.

### Pronunciation

* This entry needs pronunciation information. If you are familiar with the IPA then please add some!

### Noun

bitcoin m (plural bitcoini)
* bitcoin

#### Declension
## Spanish
### Etymology

Borrowed from English bitcoin.

### Pronunciation

* IPA: /ˈbidkoin/ [ˈbið̞.kõĩn]
* Rhymes: -idkoin
* Syllabification: bit‧coin

### Noun

bitcoin m (plural bitcoins or bitcoines)
* bitcoin (a cryptocurrency)

#### Alternative forms

* bitcóin

### Further reading

* “bitcoin”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8, Royal Spanish Academy [Spanish: Real Academia Española], 2024 December 10

## Swedish
### Noun

bitcoin c
* bitcoin (a digital currency used for payments over the internet)

### Further reading

* bitcoin in Svensk ordbok.
* bitcoin on the Swedish Wikipedia.Wikipedia $^{sv}$