[blastrock]

> Is libsodium WASMed for the browser?

It is not WASMed yet, but we are working on it.

> It would be nice if Tanker exposed the cryptography operations, so it could be a more re-usable library. Is this possible?

Tanker is more of a high-level library. It focuses on the ease of use, and tries to be hard to misuse, so it does the key handling and uses fixed algorithms.