Cryptocurrency is a type of digital or virtual currency that uses cryptography to secure and verify transactions and to control the creation of new units. Cryptocurrencies are decentralized, meaning they are not controlled by a central authority such as a government or financial institution. Instead, they rely on a network of computers to validate transactions and maintain a ledger of all transactions.
The most well-known cryptocurrency is Bitcoin, which was created in 2009 by an unknown person or group using the pseudonym Satoshi Nakamoto. Since then, thousands of other cryptocurrencies have been created, such as Ethereum, Litecoin, and Dogecoin, among others.
Cryptocurrencies are typically bought and sold on digital currency exchanges, and they can also be used to purchase goods and services from merchants who accept them as payment. Some people invest in cryptocurrencies as a form of speculative investment, hoping to profit from their price fluctuations. However, cryptocurrencies are highly volatile and risky, and their value can fluctuate wildly in short periods of time
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