The OrangChat name, software, interface, graphics, and original materials are protected by applicable intellectual property law. User content remains the responsibility and property of its respective owner, subject to the licence in the Terms of Service.
{who} has not set up encryption on any device, and a locked message needs a key on their side to open it. Messages here are stored the ordinary way until then - it switches on by itself the moment they open OrangChat on a phone or computer.