$ADA Cardano is a platform for maintaining the operations of the cryptocurrency Ada. The platform is multi-layered and gives the system the flexibility to maintain and update it easily with a soft fork. Cardano uses a Proof of Stake system, reducing the amount of electricity requirements and improving its scalability. The second feature of Cardano is its Recursive InterNetwork Architecture, which allows for the existence of a subnet within a main network, making it easier for a network to grow. Cardano aims to become a Blockchain Internet, making it possible for all cryptocurrencies to exist alongside one another and convert from one to another without intermediaries. Cardano will also allow users to attach metadata to their transactions if they wish, making the network more friendly for banks and governments.