
Sep 1, 20255 min read
End-to-End Encrypted Chat with Derived Keys
How I built an end-to-end encrypted chat system in Next.js using derived keys and SubtleCrypto’s ECDH implementation.
Selected engineering notes, architecture breakdowns, and guides.

How I built an end-to-end encrypted chat system in Next.js using derived keys and SubtleCrypto’s ECDH implementation.