Longer pieces on encryption, MCP design, and what it's actually like to run an open-source personal-finance app.
2026-06-01
The native app is finally here, on the App Store and Google Play. Check your balances, budgets, portfolio, and net worth from your phone. Add transactions, import statements, the works. Same encryption as the web app, no shortcuts. And if you self-host, just point it at your own instance.
2026-05-13
Envelope encryption, explained like a human would. AES-256-GCM, a scrypt-derived key from your password, a DEK per user, and the tradeoffs I'm not going to pretend away (the operator can still see anonymized amounts, and if you lose your password, your data is gone).