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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 30th, 2026 → May 30th, 2026
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3 / 3
Submissions
Severity
Validity
Tags
Author
#1
Typo in MESSAGE_TYPEHASH breaks EIP-712 signature verification — "addres" instead of "address"
High
Valid
[H-02] Unconsistent `MESSAG...
itx_timm
#2
mintSnowman has no access control anyone can mint unlimited NFTs
High
Valid
[H-01] Unrestricted NFT Min...
itx_timm
#3
s_hasClaimedSnowman mapping is set but never checked allows double claiming
Low
Valid
[L-01] Missing Claim Status...
itx_timm
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