The Open Chip Revolution Has Reached the Real World

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For forty years, the secret language that lets software talk to hardware was owned by a handful of companies. Then a free alternative escaped the lab—and turned chip design into a matter of statecraft.

There is a sentence that security researchers, hardware startups, and the governments of at least three continents have all, in their own way, come to believe: you can put a company on a blacklist, but you cannot put a language on one.

That single insight is quietly rewiring the most concentrated industry on Earth. For more than four decades, the foundational vocabulary of computing — the instruction set architecture, or ISA, that determines how a piece of software actually speaks to the silicon beneath it — has been guarded like a crown jewel. In PCs, laptops, and servers, the proprietary x86 architecture built by Intel and AMD has reigned almost unchallenged. In phones and embedded...

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