The nasty bit is blockchain: every user must migrate their own keys, while PQC also breaks old size assumptions in TLS, SSH, IPsec.
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01 02 2029 for full PQC readiness, with hybrid ML-KEM already in TLS and KMS, because future-proofing waits for no one.03 Azure Key Vault Premium and AES-KW Post Quantum Resistant Key Wrapping in Public Preview techcommunity.microsoft.comAzure Key Vault Premium adds AES-KW in public preview, a post-quantum-ish replacement for the usual RSA key wrapping.04 Some parties get fixed shares, and the threshold security story still survives, allegedly, for overlapping DKGs.05 What actually changes for backups when PQC lands, beyond the usual FIPS and key-custody headaches?06 Technical comparison of six ZecHub FROST hackathon projects, from custody to on-chain proof, because one threshold scheme wasn't enough.