ADA: Cardano
A blockchain platform that aims to provide a secure and scalable infrastructure for the development of DApps and smart contracts
XRP: Ripple
Ripple is both a digital payment protocol and a cryptocurrency (XRP). It was designed to enable fast and low-cost international money transfers.
LTC: Litecoin
A peer-to-peer cryptocurrency that was created as a "lite" version of Bitcoin. It offers faster transaction confirmation times and a different hashing algorithm.