This is still unclear. Threema and Proton say the BüPf does don't apply to them and recently won cases against the government. https://www.swissinfo.ch/eng/pro

This is still unclear. Threema and Proton say the BüPf does don't apply to them and recently won cases against the government. https://www.swissinfo.ch/eng/proton-wins-appeal-in-swiss-court-over-surveillance-laws/47052196 https://www.swissinfo.ch/eng/proton-wins-appeal-in-swiss-cou... https://core-attorneys.com/en/news-insights/bvger-erfolgreiche-beschwerde-von-threema-2/ https://core-attorneys.com/en/news-insights/bvger-erfolgreic...