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A cryptocurrency wallet is a device, [ 1 ] physical medium, [ 2 ] program or an online service which stores the public and/or private keys [ 3 ] for cryptocurrency transactions. In addition to this basic function of storing the keys, a cryptocurrency wallet more often offers the functionality of encrypting and/or signing information. [ 4 ]
Common services are cryptocurrency wallet providers, bitcoin exchanges, payment service providers [a] and venture capital. Other services include mining pools , cloud mining , peer-to-peer lending , exchange-traded funds , over-the-counter trading , gambling , micropayments , affiliates and prediction markets .
A cryptocurrency, crypto-currency, or crypto[a] is a digital currency designed to work as a medium of exchange through a computer network that is not reliant on any central authority, such as a government or bank, to uphold or maintain it. [2] It has, from a financial point of view, grown to be its own asset class.
Bitcoin wallets were the first cryptocurrency wallets, enabling users to store the information necessary to transact bitcoins. [85][8]: ch. 1, glossary The first wallet program, simply named Bitcoin, and sometimes referred to as the Satoshi client, was released in 2009 by Nakamoto as open-source software. [7]
Blockchain.com (formerly Blockchain.info) is a cryptocurrency financial services company. The company began as the first Bitcoin blockchain explorer in 2011 and later created a cryptocurrency wallet that accounted for 28% of bitcoin transactions between 2012 and 2020. It also operates a cryptocurrency exchange and provides institutional markets ...
MetaMask is a software cryptocurrency wallet used to interact with the Ethereum blockchain.It allows users to access their Ethereum wallet through a browser extension or mobile app, which can then be used to interact with decentralized applications.
Crypto.com. Crypto.com is a cryptocurrency exchange company based in Singapore that offers various financial services, including an app, exchange, and noncustodial DeFi wallet, NFT marketplace, and direct payment service in cryptocurrency. As of June 2023, the company reportedly had 80 million customers and 4,000 employees. [2] The exchange ...
Binance Holdings Ltd., branded Binance, is a global [9] company that operates the largest cryptocurrency exchange in terms of daily trading volume of cryptocurrencies. Binance was founded in 2017 by Changpeng Zhao, a developer who had previously created high-frequency trading software. Binance was initially based in China, then moved to Japan ...