This Recommendation is an extension to the ITU-T F.751.1 and focuses on distributed ledger technology (DLT) performance assessment methods. Based on the performance assessment criteria defined in ITU-T F.751.1, this Recommendation defines specific performance metrics and relevant workflow for the quantitative performance assessment for DLT platform. This Recommendation can be used as a guideline of DLT platform performance assessment for developers, users, third party testers and researchers.