This can all be implemented independently of the bidirectional verification flow work. (I'm in favour of doing so so we don't have to tackle both a new front- and back-end flow at the same time).
[ ] Make the member info look like the wireframe (1 - barring answering the question "what do we do with all the other memberinfo UX we have today")
[ ] Put a QR code in the Cryptography section of the existing user settings (1)
[ ] Monodirectional QR code verification flow (3)
[X] Monodirectional SAS text verification flow (using the existing encoded 32 byte code)
This can all be implemented independently of the bidirectional verification flow work. (I'm in favour of doing so so we don't have to tackle both a new front- and back-end flow at the same time).