Cryptocurrency is a type of digital or virtual currency that uses cryptography for security and operates independently of a central authority, such as a government or bank. Popular cryptocurrencies include Bitcoin (BTC), Ethereum (ETH), and Ripple (XRP).

Key features:

Decentralized: Most cryptocurrencies are built on blockchain technology, which is a decentralized ledger.

Secure and Anonymous: Transactions are secure and can be anonymous or pseudonymous.

Volatile: Prices can change rapidly, making them high-risk but potentially high-reward investments.

Utility: Used for payments, investment, and powering decentralized applications (especially in the case of Ethereum).

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