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## Summary Manual review of all contracts in scope for Snowman Merkle Airdrop First Flight. ## Contracts Reviewed - Snow.sol: ERC20 stake/withdraw/buy logic reviewed - Snowman.sol: ERC721 mint access control reviewed - SnowmanAirdrop.sol: Merkle
Description
Conducted a manual security review of all 3 contracts in scope for the Snowman Merkle Airdrop First Flight over a 1 hour period. The review focused on access control, state changes, and external call safety.
Risk
Low. No exploitable vulnerabilities identified during this review session.
Proof of Concept
N/A. No vulnerability was found to demonstrate.
// Reviewed functions: stake(), withdraw(), claim(), mint()
// No issues observed in logic flow
## Description
Conducted a manual security review of all 3 contracts in scope for the Snowman Merkle Airdrop First Flight over a 1 hour period. Focus areas: access control, input validation, reentrancy, and signature verification.
## Risk
Low. No exploitable vulnerabilities identified during this review session.
## Proof of Concept
N/A. No vulnerability was found to demonstrate.
```solidity
// Example: Reviewed claim() in SnowmanAirdrop.sol
// Verified: MerkleProof.verify() is called before _mint
// Verified: used[proof] mapping prevents replay
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