Executive Summary

Bug Hunter assessed the Unlock Protocol's contracts for security issues.

Overview and Scope

A codebase from project 2021-11-unlock was reviewed for security vulnerabilities by Bug Hunter with the following details:

• GitHub Repository: https://github.com/code-423n4/2021-11-unlock
  Commit hash: ec41eada1dd116bcccc5603ce342257584bec783

Bug Hunter reviewed the following files:

• Unlock.sol
• MixinTransfer.sol
• MixinPurchase.sol
• MixinLockCore.sol
• MixinRefunds.sol
• PublicLock.sol
• MixinGrantKeys.sol
• MixinKeys.sol
• MixinERC721Enumerable.sol

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Summary of Findings

The uncovered vulnerabilities identified during the security review are summarised in the table below:

Severity	Count
High	2
Medium	8
Low	16

Full Report

📄 Click here to view the full PDF report