"Digital-Ji-in": A Framework for Sustainable Digital Identification Records Based on A Peer-to-peer Network. - Shigeru Fujita; Yutaro Taki; Yohtaro Miyanishi; Tokuyasu Kakuta; Masahiro Hiji; Kenji Sugawara; Norio Shiratori; Claude Moulin; Thierry Gidel (CSCWD, 2021)