Agreed. 10/10.

And you don’t even need real crypto here to start. The home instance can just send vote actions as fixed unique tokens. The way the trust framework currently works, this is literally a drop-in replacement and introduces no new spam/brigade vulns which don’t already exist from a rogue instance. It would be imperfect, and may still make it possible to correlate and infer vote patterns for a sufficiently motivated adve, but it would raise the bar for protecting user telemetry by a huge factor with very minimal effort. I’m honestly a bit surprised it hasn’t been done already.