> Can’t leak secrets if you don’t have RAM

Failing other mitigations, operations this sensitive could be limited to systems with on-chip RAM. That said: seems more like a theoretical than practical method. Still pretty cool though.

Yes you can, through human intermediaries you convince to do so

(for archivists, this is a light-hearted joke about how RAM is expensive. In 2027 it will no longer be light-hearted, in 2028 it won't be a joke, and in 2029 there'll be few independent manufacturers left) /s