Auditing Ripple Multi-Purpose Token Standard on XRP Ledger

Learn how softstack’s security audit of Ripple’s Multi-Purpose Token standard on XRP Ledger validated secure blockchain implementation and scalable tokenization solutions.

XRP Ledger Security Audit

Client

Ripple

Project

Multi-Purpose-Token Standard (MPT)

Industry 

Blockchain Security & Audit

Service

Comprehensive Security Assessment

XRP Ledger Security Audit Overview

Ripple Labs engaged us, softstack, to conduct a comprehensive XRP Ledger security audit of the Multi-Purpose Token (MPT) standard. With MPTs representing a scalable and efficient solution for token issuance, Ripple aimed to ensure that these implementation met the highest standards of security and efficiency for a wide range of applications, including stablecoins, real world assets (RWA), utility tokens, and loyalty points.

Objectives

The primary goal was to validate the security, functionality, and scalability of MPTs while verifying Ripple’s claims around storage and performance optimization. Softstack’s audit covered:

  1. Code Efficiency: Ensuring the MPT code is optimized for high performance and minimal storage.
  2. Security: Identifying any potential vulnerabilities in MPT operations.
  3. Adherence to Best Practices: Ensuring compliance with coding standards.
  4. Functional Verification: Confirming the correct implementation of MPT processes, including creation, transfer, and locking mechanisms.

Methodology

Our XRP Ledger security audit comprised both manual and automated reviews, covering critical aspects such as symbolic execution, test coverage, and best practices. Softstack’s experts analyzed key functions, while testing for issues like potential race conditions in MPT locking/unlocking.

Findings

During our XRP Ledger security audit, softstack identified a total of four issues:

  • No critical, high, or medium-level issues were discovered, affirming the robustness of the MPT implementation.
  • Two low-severity issues: One potential memory safety vulnerability in the getIssuer function and a potential race condition in token locking/unlocking.
  • Two informational points: These included clarifications on function behavior and code readability improvements.


We recommended practical mitigations to further fortify MPT’s resilience, which were accepted and implemented by Ripple.
To read the full audit report, go to our GitHub.

Outcome

Ripple’s MPT functionality on the XRP Ledger was deemed secure, efficient, and ready for deployment. By leveraging our audit, Ripple demonstrates its dedication to secure, scalable digital asset solutions.

 

Conclusion

This XRP Ledger security audit reinforces softstack’s role in advancing security in Web3, emphasizing the value of transparency and meticulous evaluation in building trust. Ripple’s secure and efficient MPT implementation stands ready to support a diverse range of tokenizations.

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