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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
Oct 12th, 2026 → Oct 12th, 2026
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5 / 5
Submissions
Severity
Validity
Tags
Author
#1
Snowman::mintSnowman has no access control, anyone can mint unlimited NFTs
High
Valid
[H-01] Unrestricted NFT Min...
second_opinion
#2
SnowmanAirdrop::claimSnowman never checks s_hasClaimedSnowman, allowing repeated claims with the same Merkle proof
Low
Valid
[L-01] Missing Claim Status...
second_opinion
#3
Snow::earnSnow uses one global timer, a single earn blocks every other user for a week
Low
Valid
[L-02] Global Timer Reset i...
second_opinion
#4
SnowmanAirdrop::MESSAGE_TYPEHASH contains a typo ("addres"), so valid EIP-712 signatures from standard wallets are rejected
High
Valid
[H-02] Unconsistent `MESSAG...
second_opinion
#5
Snow::buySnow price is scaled by an extra 1e18, one raw unit of Snow costs _buyFee whole ETH
Medium
Invalid
second_opinion
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