Cryptocurrencies are digital or virtual currencies that use cryptography for security and are based on decentralized systems. Unlike traditional currencies, which are issued by governments or central banks, cryptocurrencies are created and managed through advanced mathematical algorithms. The most well-known cryptocurrency is Bitcoin, which was created in 2009 by an unknown person or group using the pseudonym Satoshi Nakamoto. Since then, thousands of other cryptocurrencies, known as altcoins...