← Finlynq

Blog

Long-form writing on encryption, MCP design, and running an open-source personal-finance app.

How Finlynq encrypts your money

2026-05-13

Envelope encryption, in plain English. AES-256-GCM, a scrypt-derived key from your password, a per-user DEK, and the honest tradeoffs (operator can see anonymized amounts; lose your password, lose your data).

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