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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
Sep 11th, 2026 → Sep 18th, 2026
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5 / 5
Submissions
Severity
Validity
Tags
Author
#1
Snowman::mintSnowman lacks access control, letting anyone mint unlimited Snowman NFTs without staking Snow
High
Valid
[H-01] Unrestricted NFT Min...
zodmastro
#2
Malformed `MESSAGE_TYPEHASH` makes every standard EIP-712 wallet signature invalid, so no user can ever claim a Snowman
High
Valid
[H-02] Unconsistent `MESSAG...
zodmastro
#3
Claim eligibility is derived from the live Snow balance instead of the signed Merkle amount, so a 1-wei dust transfer blocks a recipient's claim
Medium
Valid
[M-01] DoS to a user trying...
zodmastro
#4
`claimSnowman` never checks `s_hasClaimedSnowman` and signatures carry no nonce, so one Merkle allocation can be claimed repeatedly by replay
Low
Valid
[L-01] Missing Claim Status...
zodmastro
#5
A single global `s_earnTimer` blocks weekly Snow farming for all users, and `buySnow(0)` lets an attacker reset it for free
Low
Valid
[L-02] Global Timer Reset i...
zodmastro
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