Step-by-Step Guide: Visit the Gemstra airdrop form. Create an account at Gemstra. Create a unique post about Gemstra on Twitter using hashtags #gemstra #gems #knowy #ico #community #business. Like their Facebook page. Join their Telegram group. Upvote a Gemstra post of your choice on Reddit. Submit your details to the airdrop form. You will get $20 worth of GEMS tokens. Details regarding the claiming of GEMS tokens will be sent to your mail after the end of the Gemstra ICO. You can earn more GEMS by participating in this Catalog Building Bounty.