1st requirement
Number of transactions on the Aptos chain
1-5 transactions
6-20 transactions
20-50 transactions
51 and above
2nd requirements
Users of Aptos form lab with trust level
trust level 1 (basic user)
trust level 2 (member)
trust level 3 (regular)
trust level 4 (leader)
this is where most sybillers will have problems as someone with 10k wallet can not create 10k forum accounts. And if he does, he will never pass trust level 1.
Well the truth is that after most people got the first airdrop, they left the chain. Also the Galxe Aptos summer challenge and upcoming Autum challenge will help capture large numbers