CATEGORIES - NICHE IN WEB3 AIRDROPS:

- DEFI (Decentralised finance) - BLOCKCHAIN TESTNET; 

a platform based activity involving one or two wallet interactions of swapping, liquid provision, staking, yield farming, and so on

- GAMEFI; 
play games on the chain/app, earn rewards, and convert to token on TGE.

- APP BASED AIRDROP:

 download app, connect socials and verify, and do daily tasks for rewards accumulation and convert later.

QUEST BASED AIRDROP: 

a crypto project partner with a quest platform (galxe/zealy/intract and more) for a set of activities on their platform and you earn during token reward distribution.

- INFOFI (formerly known as socialfi): talks, shares, and engages a crypto project steadily for a particular duration and get rewarded later.