Below is a list of important cryptocurrencies and additional resources you can use to learn more about all the different cryptocurrency types.
Cardano is the name of a blockchain-based computing platform that like Ethereum runs settles financial transactions, runs and hosts smart contracts, runs and hosts DApps, and more. Its native cryptocurrency token is called ADA.
Cardano is a newer project and is promising a lot (more than just financial transactions, smart contracts, and DApps… check out the link above). If Cardano can accomplish everything it promises (so far so good) it could be a big player in the future of cryptocurrency.