A cryptocurrency (or crypto currency) is a digital assets 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.I
Karen investCryptocurrencies are a kind of alternative currency and digital currency. (of which virtual currency is a subset). Cryptocurrencies use decentralized control as opposed to centralized digital currency and central banking systems.
- The decentralized control of each cryptocurrency works through distributed ledger, technology, typically a blockchain, that serves as a public financial transaction database.
The crypto currency symbols and the bitcoin symbol at the middle showing hands of different persons, in which one is giving and the other collecting and that symbolizes the bitcoin trading system.
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.



