[Cryptography] Making models + scenarios realistic

[Ralf Senderek]

On Sun, 14 Apr 2019, John Denker via cryptography wrote:

> Again:  The scenarios are absolutely necessary but they are
> not the only hard part, or even the hardest part.  One must
> also have a sharable understanding of what the security
> model is /supposed/ to do.  Scenarios can be used to test
> understanding, but they do not create understanding.

And that's why I've asked for a threat model for the MESH.

     --ralf