[qsort]

I don't understand what problem is this system trying to solve, it just seems overcomplicated to me.

> there should be economic incentive to only communicate valuable information. Sending an e-mail should cost "something".

Why wouldn't this be solved by attaching a simple POW to every message? The trust thing is a non-issue, you'd just whitelist people or domains you trust.

[Igelau]

It's solving the problem of "what else haven't we tried to screw up yet by adding a Blockchain?"