1. Register on the Probit exchange
2. Go through phone verification
3. Follow:
▪️ Twitter(1), Twitter(2)
▪️ Facebook
▪️ Instagram
4. Fill out the Airdrop form
5. Like and retweet pinned Probit tweet + like another 2 tweets
6. Like and retweet pinned CEO Probit tweet + like another 2 tweets
7. Fill out the Airdrop form
8. Get 20 ONG1 for each referral