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by buildbot 1441 days ago
You can’t of course know, but modifying the mask of a modern chip (millions of dollars by itself), slipping those mask(s) (you need many, one per layer of material) into production to target a subset of devices, in a way that lets you inject faults and lets you own the design the FPGA is emulating, is nuclear power level. And would imagine they would not risk it very often if at all due to the fallout it could cause.

A microcontroller on 130nm? Different story probably. Still crazy hard