Actual quantum computers don't exist yet. The cryptography to defeat them may already be here - The Register

NIST pushes ahead with CRYSTALS-KYBER, CRYSTALS-Dilithium, FALCON, SPHINCS+ algorithms

The US National Institute of Standards and Technology (NIST) has recommended four cryptographic algorithms for standardization to ensure data can be protected as quantum computers become more capable… [+4955 chars]

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