Archawa Paweenawat, a development economist, is Head of Business Research of the Puey Ungphakorn Institute for Economic Research at the Bank of Thailand. Robert M. Townsend is the Elizabeth and James Killian Professor of Economics at the Massachusetts Institute of Technology. He is the author of Distributed Ledgers: Design and Regulation of Financial Infrastructure and Payment Systems, Chronicles from the Field: The Townsend Thai Project, Households as Corporate Firms: An Analysis of Household Finance Using Integrated Household Surveys and Corporate Financial Accounting.