coldkey

Post-quantum age encryption key generator with printable paper backups and QR codes

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coldkey generates post-quantum age encryption keys, combining ML-KEM-768 and X25519, and produces single-page printable HTML backups with QR codes so a lost or corrupted digital key doesn't mean permanent loss of access. It's aimed at people using age or sops to encrypt secrets who need a reliable, offline disaster-recovery backup for their private key.

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Problem & pain-point mapping
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What it's a strong alternative to
Trust & credibility signals

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