Visit the IDEX Airdrop Page. Click "Enter for Free". Submit your email address and register. Verify your mail. (How to win) All users begin with $100k in testnet funds. Trade against the top crypto markets to increase your balance. The largest USD denominated portfolio wins! Increase your starting balance by up to 50% by referring more users to the competition. Within one week of the end of the competition, they’ll announce the largest portfolio owner and their referrer.