[pl4nty]

> Until now the only way to do that was on device

as usual, Apple's implementation is exceptional, but far from the first. see https://confidentialcomputing.io/ and its long history

[transpute]

  2019 Linux Foundation Confidential Computing
  2015 Intel SGX (Skylake)
  2014 Apple Secure Enclave (A8, iPhone 6)

[duskwuff]

> 2015 Intel SGX (Skylake)

Might be worth pointing out that SGX was compromised repeatedly and comprehensively by speculative execution attacks, e.g.

https://www.usenix.org/conference/usenixsecurity18/presentat...

[mappu]

ARM TrustZone launched with the Arm1176JZ-S in 2004.

[abalone]

Absolutely right. My comment was strictly about “for consumer use at planet scale.” It’s the aggressive adoption and rollout of confidential computing architecture in an easy to use consumer platform that I’m celebrating here. (Including a 12 figure financial commitment!) Prior to PCC, smartphones generally had to process data on device to ensure privacy.