Hellō has an interesting protocol that prevents Hellō staff from knowing what data is stored in the system. There's an step-by-step overview of the protocol at

Hellō has an interesting protocol that prevents Hellō staff from knowing what data is stored in the system. There's an step-by-step overview of the protocol at https://www.hello.coop/pages/protocol.html https://www.hello.coop/pages/protocol.html