EOS blockchain is the blockchain aiming at being the first decentralized blockchain to support commercial/industralize scale decentralized applications which will be more better than its centralized counterpart.
have summarized everything you need to know about EOS here and here
Its promised to offer this characteristics; scalability, flexibility, usability, good governance, parallel processing, self-sufficiency, and above all decentralized operating system. You can check the entire article on this here
I also did a cover image for myself, check it out here