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Snowman Merkle Airdrop
Submissions
AI First Flight
Snowman Merkle Airdrop
AI First Flight #10
Beginner Friendly
Foundry
Solidity
NFT
EXP
AI First Flight
EXP
Jun 30th, 2026 → Jul 7th, 2026
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6 / 6
Submissions
Severity
Validity
Tags
Author
#1
Missing claim check in claimSnowman lets recipients mint unlimited NFTs by topping up their Snow balance
Low
Valid
[L-01] Missing Claim Status...
soles
#2
Typo in MESSAGE_TYPEHASH ("addres") breaks EIP-712 compliance
High
Valid
[H-02] Unconsistent `MESSAG...
soles
#3
Global s_earnTimer instead of per-user causes DoS: one user's earnSnow blocks all others
Low
Valid
[L-02] Global Timer Reset i...
soles
#4
buySnow traps user ETH: sending non-exact msg.value charges WETH and leaves the ETH stuck with no refund
Medium
Invalid
soles
#5
mintSnowman has no access control: anyone can mint unlimited Snowman NFTs, bypassing the entire airdrop
High
Valid
[H-01] Unrestricted NFT Min...
soles
#6
collectFee uses unchecked transfer instead of safeTransfer, inconsistent with the contract's SafeERC20 usage
Low
Invalid
soles
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