This is already possible in Austria. The "eAusweise" app allows people to "prove" others their age without giving away any more data: https://www.digitalaustr

This is already possible in Austria. The "eAusweise" app allows people to "prove" others their age without giving away any more data: https://www.digitalaustria.gv.at/eng/services/eServices/Proof-of-age.html https://www.digitalaustria.gv.at/eng/services/eServices/Proo... (German only:) https://www.oesterreich.gv.at/eausweise/haeufige-fragen/haeufige-fragen-eausweise-digitaler-altersnachweis.html https://www.oesterreich.gv.at/eausweise/haeufige-fragen/haeu...