How do you prove that onions.io is running https://github.com/onionsapp/Onions-Rails-API?
Any thoughts on a good method for this? It's definitely something I want done.
Which means finding a way to securely, reliably do the encryption on the client. Which would be a useful thing to build, since all the current ways of doing that have problems.
Crypto.cat uses a browser extension, I think (disregarding all of cryptocat's woes) that is the way to go.