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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
May 19th, 2026 → May 21st, 2026
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5 / 5
Submissions
Severity
Validity
Tags
Author
#1
[H] mintSnowman lacks access control; anyone can mint without limit, effectively bypassing the airdrop system and rendering the entire airdrop invalid.
High
Valid
[H-01] Unrestricted NFT Min...
huicanvie
#2
[H] As long as someone calls the earnSnow function within the specified time, the global timer s_earnTimer is refreshed, and no one else can call it for one week.
Low
Valid
[L-02] Global Timer Reset i...
huicanvie
#3
[H] In buySnow, any purchase resets the global timer s_earnTimer, preventing other users from using the free earnSnow function for a week.
Low
Valid
[L-02] Global Timer Reset i...
huicanvie
#4
[M] The payment method in buySnow should be a choice of one of two options; the payment logic is flawed.
Medium
Invalid
huicanvie
#5
[M] MESSAGE_TYPEHASH does not strictly follow the EIP-712 standard types
High
Valid
[H-02] Unconsistent `MESSAG...
huicanvie
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