Yes, you participate once and wait for the reward to be received after the completion of the airdrop. You can also participate in the draw $ 250000 if you share your referral link in your social networks.
Well, most of you guys should not get compete each other because competing is not the best way to salute your neighborhood.
This is a big price, I hope they have enough funds or budget to be able to all there responsibility to supporters and members.