Cardano is a blockchain platform that is designed to enable the development of decentralized applications (dApps). Cardano is based on a proof-of-stake consensus algorithm and uses a unique programming language called Plutus. Cardano also features a built-in cryptocurrency called ADA, which is used to power the network and to pay for transaction fees. Cardano is designed to be a secure, scalable, and sustainable platform for the development of dApps and smart contracts.