What is Cardano? To understand this, you need to know that Ada (the token) is a cryptocurrency that aims to facilitate digital payments in a secure and regulation-friendly manner. It is a platform too, so other tokens can be built on it (like Ethereum or NEO).
What Is Stellar? Essentially, Stellar is an extremely fast settlement mechanism -- a peer-to-peer cryptocurrency founded and developed in early 2014 by Jed McCaleb, who helped start Ripple. Lumens are the native currency of Stellar, and its cryptocurrency ticker symbol is XLM.
What is NEO? It has been dubbed the “Chinese Ethereum,” and this description goes a long way to illustrate what it does: NEO (and GAS) provide a native Chinese platform for tokens and decentralized applications, similar to Ethereum but with important technical differences.
What is Litecoin, and why can you find it on almost every exchange? LTC is a cryptocurrency like Bitcoin. It can do virtually anything Bitcoin can and has 400% faster transactions. In our introduction to Litecoin we explain its relevance to the crypto community, and why it's so heavily traded.