It is all know that optimism is L2 network on eth chain. to join airdrop of remaining their total supply of airdrop which is 14% OP tokens, you have to complete following tasks 1 Complete the op quest 2 claim glaxe nft 3 vote on snapshot 4 DAO voting
fir first task go there
https://app.optimism.io/quests
2nd task is that claim glaxe nft from here
https://galxe.com/Optimism/campaign/GC8SiUtNG9
3rd task is here vote on snapshot it will done if you delegate your OP in a delegator here you go
the last task is DAO voting you can delegate here