cryptocurrency (or crypto currency) is a digital asset designed to work as a medium of exchange that uses strong cryptography to secure financial transactions, control the creation of additional units, and verify the transfer of assets.[Cryptocurrencies use as opposed to centralized digital currency and systems.
The decentralized control of each cryptocurrency works through distribution ledger technology, typically a blockchain, that serves as a public financial transaction database.
Bitcoin, first released as open-source software in 2009, is generally considered the first decentralized cryptocurrency. Since the release of bitcoin, over 4,000 altcoins(alternative variants of bitcoin, or other cryptocurrencies) have been created
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