Cryptocurrencies, such as Bitcoin, Ethereum, and countless others, have disrupted the traditional financial system by enabling peer-to-peer transactions without the need for central authorities like banks. Since the inception of Bitcoin in 2009, cryptocurrencies have evolved beyond mere speculative assets to become a cornerstone of decentralized finance (DeFi). By leveraging blockchain technology, which operates as an immutable digital ledger, cryptocurrencies ensure secure, transparent, and anonymous transactions that bypass traditional intermediaries.