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Main article: Cryptocurrency wallet. A cryptocurrency wallet is a means of storing the public and private "keys" (address) or seed, which can be used to receive or spend the cryptocurrency. [ 86 ] With the private key, it is possible to write in the public ledger, effectively spending the associated cryptocurrency.
Digital currency. Digital currency (digital money, electronic money or electronic currency) is any currency, money, or money-like asset that is primarily managed, stored or exchanged on digital computer systems, especially over the internet. Types of digital currencies include cryptocurrency, virtual currency and central bank digital currency.
Bitcoin wallets were the first cryptocurrency wallets, enabling users to store the information necessary to transact bitcoins. [ 86 ] [ 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 ]
2021 was cryptocurrency's breakout year, as 41% of owners surveyed globally purchased it for the first time in 2021, with inflation being a primary driver for adoption, according to State of U.S
Ethereum. Ethereum is a decentralized blockchain with smart contract functionality. Ether (abbreviation: ETH[a]) is the native cryptocurrency of the platform. Among cryptocurrencies, ether is second only to bitcoin in market capitalization. [2][3] It is open-source software.
Virtual currency, or virtual money, is a digital currency that is largely unregulated, issued and usually controlled by its developers, and used and accepted electronically among the members of a specific virtual community. [1] In 2014, the European Banking Authority defined virtual currency as "a digital representation of value that is neither ...
A central bank digital currency (CBDC; also called digital fiat currency[1] or digital base money[2]) is a digital currency issued by a central bank, [3] rather than by a commercial bank. It is also a liability of the central bank and denominated in the sovereign currency, [4] as is the case with physical banknotes and coins. The two primary ...
Blockchain. A blockchain is a distributed ledger with growing lists of records (blocks) that are securely linked together via cryptographic hashes. [1][2][3][4] Each block contains a cryptographic hash of the previous block, a timestamp, and transaction data (generally represented as a Merkle tree, where data nodes are represented by leaves).