this is an interesting proposal and I just linked your post to our initiative for a bounty dedicated to sybil-resilience. Let us know if you’re open to joining forces for a pro-plurality bounty.
the concept with an attestor proxy that only observes encrypted content and verifies sounds interesting and it seems to solve the confidentiality challenge. Curious to learn more about it.
But what about integrity of attestors? Reclaim proposes a attestor selection protocol which is based on slashing collateral which attestors need to lock AFAIU. This will limit the security guarantees in the range of that collateral, right? We have a similar problem like collateralized oracles. If attestors are required to lock a lot of collateral , they may be forced to charge relatively high fees for their opportunity cost and risk which will not be very inclusive for low-income users.
I’d just like to mention a potential for collaboration with Integritee’s TEEracle: non-repudiation collateral-free oracles based on TEEs