www.jdsupra.com/post/documentViewer.aspx?fid=53dadba4-e9ed-4b20-8f7c-83379c3498c2
www.bakermckenzie.com/en/insight/publications/2019/07/mas-to-licence-digital-banks-by-technology
Update:
Summary of MAS’ Guidelines on Provision of Digital Payment Token Services to the Public