Hi, @sumit71428. I'm moderator of Snax. Our friend prepared a wonderful review of snax https://steemit.com/snaxbountyoprogram/@milaan/review-of-snax-as-a-decentralized-social-media-overlay-for-monetizing-content-with-existing-popular-social-media. There you will find comprehensive information on what Snax is, how Sing In and how to use it. Follow our news https://twitter.com/SnaxTeam and https://steemit.com/@snaxteam