Privacy-first notepad: Argon2id + AES-256-GCM, hidden-volume plausible deniability (N notebooks per URL), optimistic concurrency, dead-man's switch, drand/tlock time-locked notes, and one-shot encrypted send. Next.js frontend, Firebase Functions, auditable Firestore rules. MIT.
firebase typescript nextjs aes-gcm zero-knowledge argon2id end-to-end-encryption privacy-tools firestore plausible-deniability hidden-volumes tailwindcss client-side-encryption self-hostable encrypted-notepad protectedtext-alternative standard-notes-alternative cryptpad-alternative privnote-alternative trusted-handover
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Aug 25, 2026 - TypeScript