OWASP Web3 Wallet Security

About the Project

The OWASP Web3 Wallet Security project focuses on improving the security of Web3 wallets by defining standards, identifying risks, and providing practical testing guidance.

Wallets act as the primary interface between users and decentralized systems. They manage private keys, sign transactions, and interact with external applications. As a result, they are one of the most critical and targeted components in the Web3 ecosystem.

This project aims to establish a clear and structured approach to securing wallet systems.


Core Areas

The project is built around three key areas:

1. Web3 Wallet Top 10

A curated list of the most critical security risks affecting wallet systems.
This helps developers, auditors, and users understand and prioritize real-world threats.

2. Web3 Wallet Security Verification Standard (WWSVS)

A structured set of security requirements used to design, build, and assess secure wallet implementations.
This standard defines what a secure wallet should enforce.

3. Web3 Wallet Security Testing Guide (WWSTG)

A practical guide that provides testing methodologies for identifying and validating wallet vulnerabilities.
It supports auditors and security engineers in real-world assessments.


What This Project Provides

  • A focused security standard for wallet systems
  • A clear understanding of wallet-specific risks
  • Practical methodologies for testing and validation
  • A foundation for building and evaluating secure wallets

How It Works Together

The components of the Web3 Wallet Security (WWS) project are designed to function as a unified approach to wallet security:

  • Web3 Wallet Top 10
    Identifies the most critical risks that must be understood and prioritized.

  • Verification Standard (WWSVS)
    Defines the security controls required to address those risks.

  • Testing Guide (WWSTG)
    Provides practical methods to test and validate those controls in real-world scenarios.

Together, these components create a complete:

Workflow

Identify Risks → Define Controls → Validate Security


This ensures a consistent and structured approach to building and evaluating secure Web3 wallet systems.

Use Cases

  • Developers
    Build secure wallet applications using the project’s standards and guidance as a foundation.

  • Security Auditors
    Assess wallet implementations and identify vulnerabilities using structured verification and testing methodologies.

  • Organizations
    Establish security baselines and evaluate wallet solutions against defined standards.

  • Researchers
    Analyze wallet attack surfaces, study emerging threats, and contribute to advancing wallet security.

  • Advanced Users
    Understand wallet-related risks and make informed decisions when interacting with Web3 applications.


Contact

For questions, feedback, or responsible disclosure related to the OWASP Web3 Wallet Security Project, please contact the project leadership:

For security issues, please see the Security Policy.


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