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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
Jul 7th, 2026 → Jul 11th, 2026
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6 / 6
Submissions
Severity
Validity
Tags
Author
#1
Missing Access Control on mintSnowman() Allows Unlimited NFT Minting
High
Valid
[H-01] Unrestricted NFT Min...
rivera
#2
Typo in EIP-712 Typehash Breaks Standard Wallet Signature Compatibility
High
Valid
[H-02] Unconsistent `MESSAG...
rivera
#3
Missing Double-Claim Check Allows Repeated Claims via s_hasClaimedSnowman
Low
Valid
[L-01] Missing Claim Status...
rivera
#4
Mismatched ETH Payment Gets Permanently Stuck in buySnow()
Medium
Invalid
rivera
#5
Global s_earnTimer Causes Denial of Service Across All Users
Medium
Invalid
rivera
#6
Unchecked Return Value on i_weth.transfer() in collectFee()
Low
Invalid
rivera
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