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Cryptocurrencies are digital or virtual currencies that use cryptography for security. Unlike traditional currencies issued by central banks, cryptocurrencies typically operate on a decentralized technology called blockchain. This means transactions are recorded across a network of computers, making them transparent and secure. Some popular cryptocurrencies include Bitcoin, Ethereum, and Ripple.

Key Characteristics of Cryptocurrencies:

Decentralization: They are not controlled by a single entity, like a bank or government.
Transparency: All transactions are recorded on a public ledger (blockchain).
Security: Cryptography is used to secure transactions and verify them.
Volatility: Their values can fluctuate significantly within short periods.
Global Reach: They can be used internationally with no geographical restrictions.
Donald Trump and Cryptocurrencies: