In agreement with both a time-weighing function and a future airdrop cutoff date to facilitate ecosystem growth - also seeing the number of stETH users prior to the proposed cutoff block somewhat low. How to maximally reward honest users and bootstrap DAO governance while discouraging gamification of the system?
Assuming LPs and stETH depositors are grouped together in the same proposal, LPs and long-term stETH stakers should get the lion share of the airdrop, based on the relative higher risk they have taken.
FWIW, some rough ideas and numbers based off of that:
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50/50 allocation between ETH/stETH Uniswap LPs and stETH stakers.
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LDO allocation across stETH users could be a function of deposit time after genesis, time staked, and amount staked. 25% of LDO distributed across week 1 depositors; 25% across month 1; and 50% across months 2-6.
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LDO allocations would be calculated and claimable following the cutoff block 6 months after genesis. Similar to the TORN airdrop, allocations would need to be claimed, and if not redeemed by a certain date then the unclaimed LDO would get returned to the DAO treasury for future use.