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A cryptocurrency is a digital or virtual currency that uses cryptography to ensure the security and protection of transactions. Unlike traditional fiat currencies, which are controlled by government agencies, cryptocurrencies are decentralized and operate on the basis of blockchain technology. The blockchain is a distributed registry that records all transactions, ensuring transparency and immutability of data.

Initially, the popularity of the cryptocurrency was brought by Bitcoin, created in 2009 by a certain Satoshi Nakamoto. Since then, the cryptocurrency market has expanded significantly, and there are now thousands of different digital currencies, including Ethereum, Ripple and Litecoin. Each of them has its own unique features and purpose.

Cryptocurrency offers many advantages, such as fast and secure transactions, reduced transaction costs and accessibility for users without bank accounts. However, despite its advantages, cryptocurrency also faces