PARAGON777 Citizens can access the web based platform and associated mobile app via SI-PASS, a secure authorization software developed for public platforms. The Hamagen app was specifically designed with a privacy-first approach where information about locations and times is cross-referenced on the user's device, and not transmitted on to the cloud database. Commission recommendation (EU) 2020/518 of 8 April 2020 on a common union toolbox for the use of technology and data to combat and exit from the COVID-19 crisis, in particular concerning mobile applications and the use of anonymized mobility data. Zwitter, Andrej; Gstrein, Oskar (2020). "Big data, privacy and COVID-19 - learning from humanitarian expertise in data protection". Cho, Hyunghoon; Ippolito, Daphne; Yu, Yun William (2020-03-30). "Contact Tracing Mobile Apps for COVID-19: Privacy Considerations and Related Trade-offs". Corona-App" der Bundesregierung". Startseite (in German). Chaos Computer Club (CCC). Science. 368 (6491): eabb6936.|While others will Surely Follow Suit