Introduction
Blockstack is a decentralized computing network and app ecosystem.
Blockchain is airdropping upto $10 worth STX for sign up and KYC.
Blockstack is already listed on CoinMarketCap.
Steps to claim Airdrop
Register an account on Blockchain
Verify and login to your account.
Complete your Gold-Level verifcation from profile.
You will get upto $10 worth STX in your Blockchain Wallet in January/February of 2020.
Get more details from the Official Post.