Better design for saving user data

[BeritJanssen]

We should investigate if we can do better with the way we save user data, especially for the scenario of federated logins.

[lukavdplas]

Can you describe what you would like to see improved?

[BeritJanssen]

Hashing email addresses, for instance.

[lukavdplas]

@BeritJanssen can we make this a discussion? It doesn't look like there is a concrete, workable plan for this. (Or if you have one, can you add it in the issue?)