What is EOS?
EOS is a blockchain and cryptocurrency token which aims at building decentralized applications based on smart contracts technology. The goal of EOS is to build a decentralized OS which conducts feeless approximately smillions of transactions per second.
EOS was published as a part of a white paper in 2017 and is set to release as a software on 1st June 2018. In order to ensure equal distribution of EOS , it was sold as Ethereum blockchain. The EOSIO platform is being developed by a private blockchain company called Block.one.
Link : https://eos.io/