Since late 2019, we have been working to answer the question “why hasn’t blockchain, and its underlying distributed ledger technology (DLT), made a bigger impact in the public sector?”. It has been over two years since OPSI published the report Blockchains Unchained: Blockchain Technology and its Use in the Public Sector, and over a year since the OECD Digital Government and Data Unit published the report State of the Art in the Use of Emerging...