Cryptocurrency, which emerged as a decentralized alternative to traditional financial systems, has undergone significant evolution since the advent of bitcoin in 2009. Bitcoin, the first and most famous cryptocurrency, laid the foundation for thousands of alternative digital currencies known as altcoins. Cryptocurrencies work bitcoinnewsreview.com on the basis of blockchain technology, a distributed and immutable registry that records all transactions. This decentralized nature ensures transparency and security, eliminating the need for intermediaries such as banks when conducting financial transactions. Volatility is a defining feature of the cryptocurrency market. Prices can fluctuate dramatically over short periods of time, creating both opportunities and risks for investors.