We discuss with Prof. Dr. L.A. (Luiza) Bialasiewicz, , Dr. Joelle Grogan (Moddlesex University London), Prof. Dr. Oskar Josef Gstrein (University of Groningen) and Prof. Dr. Dimitry Vladimirovich Kochenov (Central European University) on opportunities and drawbacks of the ‘passportization’ approach to governing the current health emergency. A particular focus is given to the EC's proposal of a Digital Green Certificate. Links: https://www.uva.nl/profiel/b/i/l.a.bialasiewicz/l.a.bialasiewicz.html?cb https://uk.linkedin.com/in/joelle-grogan-b4b3668a https://www.rug.nl/staff/o.j.gstrein/ http://www.kochenov.eu/ https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3802154 https://ec.europa.eu/commission/presscorner/detail/en/ip_21_1181 https://ec.europa.eu/info/files/proposal-regulation-interoperable-certificates-vaccination-testing-and-recovery-digital-green-certificate_en