Security Audits

The TokenBridge has undergone multiple independent security audits and assessments. We have engaged in the auditing process after introducing major functionality, and have acknowledged and/or fixed all issues found during these audits. Audit results are presented starting with the most recent.

OmniBridge v6.0 Smart Contracts Audit by ChainSecurity

Completed: September 7, 2021
Conclusion: 0 Critical Risk Issues, 1 High Risk Issue Mitigated, 1 Medium Issue Mitigated, 2 Corrected, 13 Low Risk Issues all Acknowledged and/or Corrected.
OmniBridge v6.0 by ChainSecurity

OmniBridge Audit by ChainSecurity

Completed: April 27, 2021
Conclusion: 0 Critical or High Risk Issues, 2 Medium Issues Accepted, 3 Low Risk Issues Accepted/Acknowledged
Link to Audit Report on ChainSecurity

TokenBridge Audit by Quantstamp (covers OmniBridge)

Completed: November 6, 2020
Conclusion: No high and medium risk issues found, all low risk issues addressed.
Contracts: Revised in version 5.5.0-rc0 to address audit.

TokenBridge Audit by Quantstamp (covers AMB bridge)

Completed: January 8, 2020
Conclusion: All high risk issues resolved and low risk issues addressed. More information available in this post.
Contracts: Revised in version 3.3.0 to address audit.

Smart Contracts Security Analysis by SmartDec

Completed: July 2019
Conclusion: All of the issues were addressed, some of them fixed in the latest version of the code.
Contracts: Revised in version 2.3.3 to address audit.

Initial Token Bridge Audit by Peppersec:

Completed: October 2018
Conclusion: We can rate the overall security level of the system as “High”.
Contracts: Updated to version 2.0.0 to address audit.