# The Post-Quantum Migration Has a Built-In Casualty: The Billion Devices That Cannot Be Patched

- slug: the-post-quantum-migration-has-a-built-in-casualty-the-billion-devices-that-cannot-be-patched
- date: 2026-04-19
- category: Quantum Computing

Meta flipped the switch on quantum-resistant encryption. Billions of IoT devices cannot follow — and it is not a planning failure. It is a hardware constraint written into chips with 64KB of RAM. Some will be cryptographically orphaned for their entire operational life.

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