is a digital or virtual currency that is secured by cryptography and 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.

The advantages of cryptocurrencies  include cheaper and faster money transfers and decentralized systems that do not collapse at a single point of failure.

Disadvantages include price volatility, high energy consumption  for mining activities and use in  criminal activities

Bitcoin,  is the most popular and valuable cryptocurrency.

Other types of cryptocurrency include, Solana, Litecoin,  Ethereum, Cardano and EOS.