Annexes (p. 57-64): 1. Summary table of blockchain applications currently used by United Nations system organizations -- 2. Blockchain applications that organizations envisage using in the future -- 3. An indicative overview of distributed ledger technology solutions for use cases for key challenges in the 17 Sustainable Development Goals (JIU summary) -- 4. Overview of actions to be taken by participating organizations on the recommendations of the Joint Investigation Unit.