I agree that is the most significant barrier. There are threads like [1], but like other much-wanted features like Syncthing being able to support untrusted nod

I agree that is the most significant barrier. There are threads like [1], but like other much-wanted features like Syncthing being able to support untrusted nodes that hold the data, but don't have encryption keys a-la Resilio Sync, progress sometimes comes in spurts and starts. [1] https://forum.syncthing.net/t/on-syncthing-ios-port-again/8964/12 https://forum.syncthing.net/t/on-syncthing-ios-port-again/89...