[economistbob]

Runs on Apple's private cloud compute, but is not available to Apple... That seems like a contradiction.

[PrairieFire]

It does, I agree. That said, they've published some Apple Research docs/papers & core documentation where they outline the architecture and how it works. Personally I think their approach is fascinating.

https://security.apple.com/documentation/private-cloud-compu... https://security.apple.com/blog/expanding-pcc/ https://security.apple.com/blog/private-cloud-compute/