Competitive Audits
First Flights
Leaderboard
Docs
Toggle theme
Sign up
Log in
All First Flights
Snowman Merkle Airdrop
Submissions
AI First Flight
Snowman Merkle Airdrop
AI First Flight #10
Beginner Friendly
Foundry
Solidity
NFT
EXP
AI First Flight
EXP
Mar 27th, 2026 → Mar 27th, 2026
View repo
View results
8 / 8
Submissions
Severity
Validity
Tags
Author
#1
mintSnowman() is external with no access modifier
High
Valid
[H-01] Unrestricted NFT Min...
sp0ck0x
#2
claimSnowman Does Not Check s_hasClaimedSnowman, Enabling Repeated Claims
Low
Valid
[L-01] Missing Claim Status...
sp0ck0x
#3
buySnow Resets a Global Cooldown Timer, Permanently Blocking earnSnow for All Users
Low
Valid
[L-02] Global Timer Reset i...
sp0ck0x
#4
MESSAGE_TYPEHASH Typo Breaks EIP-712 Compatibility
High
Valid
[H-02] Unconsistent `MESSAG...
sp0ck0x
#5
ETH Permanently Locked When Wrong msg.value Sent to buySnow
Medium
Invalid
sp0ck0x
#6
Unchecked ERC20 transfer() Return Value in collectFee()
Medium
Invalid
sp0ck0x
#7
s_claimers Array Declared But Never Populated
Low
Invalid
sp0ck0x
#8
Unreachable Guard in tokenURI — Dead Code
Low
Invalid
sp0ck0x
Previous
1
Next
Support
FAQs
Can't find an answer? Chat with us on Discord, Twitter or Linkedin.
What is Cyfrin CodeHawks?
What is a competitive audit?
How can I host a competition on CodeHawks?
How is a contest prize pool determined?
How do I get rewarded?
What is a First Flight?
Give us feedback!
