Secure Code Review Findings and Recommendations Report

This document is a findings and recommendations report resulting from a secure code review conducted by Kudelski Security for AZERO.ID. The assessment was carried out remotely between April 26, 2023, and May 22, 2023, with the objective of evaluating the overall security posture of AZERO.ID's smart contracts and identifying any associated risks. The report details the vulnerabilities discovered during the review, including issues related to input validation, potential overspending risks for users, and other low-severity findings. Each identified vulnerability is accompanied by a description of the methods used for discovery, severity assessment, and recommendations for remediation. The report also outlines the scope of the engagement, which was limited to specific smart contracts and their associated code repositories. Additionally, it emphasizes the importance of ongoing vigilance in the evolving landscape of blockchain security, noting that while vulnerabilities were identified, the assessment does not guarantee the detection of all potential issues.