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Snowman Merkle Airdrop
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AI First Flight
Snowman Merkle Airdrop
AI First Flight #10
Beginner Friendly
Foundry
Solidity
NFT
EXP
AI First Flight
EXP
May 1st, 2026 → May 1st, 2026
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5 / 5
Submissions
Severity
Validity
Tags
Author
#1
H-01] Permissionless `Snowman.mintSnowman` allows anyone to mint unlimited NFTs, bypassing the entire airdrop mechanism
High
Valid
[H-01] Unrestricted NFT Min...
cthan
#2
[H-02] Decimals scaling not applied in `Snow` mint paths — protocol economically non-functional
High
Invalid
cthan
#3
[H-03] EIP-712 typehash deviates from canonical format ("addres" + space) — breaks all standard-wallet signatures
High
Valid
[H-02] Unconsistent `MESSAG...
cthan
#4
[M-01] Missing `s_hasClaimedSnowman` check enables claim replay if receiver re-acquires equal Snow balance
Low
Valid
[L-01] Missing Claim Status...
cthan
#5
[M-02] Global `s_earnTimer` enables single-caller DoS on free Snow earning for all users
Low
Valid
[L-02] Global Timer Reset i...
cthan
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