Cryptocurrency exchange

bitcoin exchangeexchangedigital currency exchangedigital currency exchangercryptocurrency exchangesexchangesBitcoin exchangesDigital Asset Exchangeexchange of digital assetsexchange service
A cryptocurrency exchange or a digital currency exchange (DCE) is a business that allows customers to trade cryptocurrencies or digital currencies for other assets, such as conventional fiat money or other digital currencies.wikipedia
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Decentralized exchange

decentralized digital currency exchange
Decentralized exchanges such as Etherdelta, IDEX and HADAX do not store users' funds on the exchange, but instead facilitate peer-to-peer cryptocurrency trading.
A decentralized exchange (DEX) is a cryptocurrency exchange which operates in a decentralized way, i.e., without a central authority.

Gold Age

GoldAge Inc.
In 2006, US-based digital currency exchange business GoldAge Inc., a New York state business, was shut down by the US Secret Service after operating since 2002.
The Gold Age was a digital currency exchange and one of the first independent e-gold exchanges.

Cryptocurrency

cryptocurrenciescrypto-currencyaltcoin
A cryptocurrency exchange or a digital currency exchange (DCE) is a business that allows customers to trade cryptocurrencies or digital currencies for other assets, such as conventional fiat money or other digital currencies. Following the launch of a decentralized cryptocurrency bitcoin in 2008 and the subsequent introduction of other cryptocurrencies, many virtual platforms were created specifically for the exchange of decentralized cryptocurrencies.
Still, cryptocurrency exchanges are often required by law to collect the personal information of their users.

Cryptocurrency and security

hackedhacking of exchangessecurity problems
Decentralized exchanges are resistant to security problems that affect other exchanges, but suffer from low trading volumes.
, around 980,000 bitcoins have been stolen from cryptocurrency exchanges.

Cryptocurrency wallet

Blockchain Asset Walletone hot and one coldstorage
The exchanges can send cryptocurrency to a user's personal cryptocurrency wallet.
* Cryptocurrency exchanges link the user's wallet to their centrally managed wallet(s).

Money laundering

money-launderinglaunderinglaunder
In 2013, Jean-Loup Richet, a research fellow at ESSEC ISIS, surveyed new money laundering techniques that cybercriminals were using in a report written for the United Nations Office on Drugs and Crime.
A common approach was to use a digital currency exchanger service which converted dollars into a digital currency called Liberty Reserve, and could be sent and received anonymously.

Digital currency

electronic moneydigital currencieselectronic purse
A cryptocurrency exchange or a digital currency exchange (DCE) is a business that allows customers to trade cryptocurrencies or digital currencies for other assets, such as conventional fiat money or other digital currencies.
Digital currency exchanger

Binance

Binance 🇲🇹 MLT
Binance is a global cryptocurrency exchange that provides a platform for trading more than 100 cryptocurrencies.

Huobi

Huobi SIN
Huobi is a Singapore-based cryptocurrency exchange.

Bittrex

Bittrex 🇺🇸 USA
Bittrex is a US-based cryptocurrency exchange headquartered in Seattle, Washington.

Bitcoin

bitcoinsbitcoin walletBitcoin blockchain
Following the launch of a decentralized cryptocurrency bitcoin in 2008 and the subsequent introduction of other cryptocurrencies, many virtual platforms were created specifically for the exchange of decentralized cryptocurrencies.
The overwhelming majority of bitcoin transactions take place on a cryptocurrency exchange, rather than being used in transactions with merchants.

OKEx

OKEx 🇲🇹 MLT
OKEx is a cryptocurrency exchange.

Coinbase

Brian Armstrong
GDAX 🇺🇸 USA
Coinbase is a digital currency exchange headquartered in San Francisco, California.

E-gold

eGoldDouglas Jackson
In April 2007, the US government ordered E-Gold administration to lock/block approximately 58 E-Gold accounts owned and used by The Bullion Exchange, AnyGoldNow, IceGold, GitGold, The Denver Gold Exchange, GoldPouch Express, 1MDC (a Digital Gold Currency, based on e-gold) and others, forcing G&SR (owner of OmniPay) to liquidate the seized assets.
Digital currency exchanger

Bitfinex

Bitfinex HK
Bitfinex was founded in December 2012 as a peer-to-peer Bitcoin exchange, offering digital asset trading services to users around the world.

Bitstamp

Bitstamp 🇬🇧 GBR
Bitstamp is a bitcoin exchange based in Luxembourg.

Kraken (company)

KrakenKraken cryptocurrency exchangeKraken exchange
Kraken 🇺🇸 USA
Kraken is a US-based cryptocurrency exchange operating in Canada, the EU, Japan, and the US, and "the world's largest bitcoin exchange in euro volume and liquidity".

Bithumb

Bithumb 🇰🇷 KOR
Bithumb is a South Korean cryptocurrency exchange.

List of bitcoin companies

bitcoin companiescompanies
List of Bitcoin companies
Common services are wallet providers, bitcoin exchanges, payment service providers and venture capital.

Upbit

Upbit ROK
Upbit is a South Korean cryptocurrency exchange.

Digital gold currency

digital gold currenciesbelowdigital
Digital gold currency
For those DGCs, e-currency must be bought and sold via a digital currency exchanger.

Fiat money

fiat currencyfiatfiat currencies
A cryptocurrency exchange or a digital currency exchange (DCE) is a business that allows customers to trade cryptocurrencies or digital currencies for other assets, such as conventional fiat money or other digital currencies.

Market maker

market makingmarket makersspecialist
A cryptocurrency exchange can be a market maker that typically takes the bid-ask spreads as a transaction commission for is service or, as a matching platform, simply charges fees.

Bid–ask spread

bid-offer spreadspreadbid-ask spread
A cryptocurrency exchange can be a market maker that typically takes the bid-ask spreads as a transaction commission for is service or, as a matching platform, simply charges fees.

Automated teller machine

ATMATMsautomatic teller machine
Some can convert digital currency balances into anonymous prepaid cards which can be used to withdraw funds from ATMs worldwide while other digital currencies are backed by real-world commodities such as gold.