• A cryptocurrency is a form of digital asset based on a network that is distributed across a large number of computers. This decentralized structure allows them to exist outside the control of governments and central authorities. • Experts believe that blockchain and related technology will disrupt many industries, including finance and law. • The advantages of cryptocurrencies include cheaper and faster money transfers and decentralized systems that do not collapse at a single point of failure. • The disadvantages of cryptocurrencies include their price volatility, high energy consumption for mining activities, and use in criminal activities.