Engineering concepts, system design, cryptography, CLI architecture.
4 articles
Five ways AI-written GitHub Actions workflows leak API keys, and the local-vault pattern that closes the gap on any runner.
How a 12-word BIP-39 mnemonic lets a local-first secret vault survive a forgotten master password — without a cloud account or email reset.
AI wrote your code. Now how do you ship it to the internet? A plain-language tour of client/server, frontend/backend, database, deployment, and the security gap most AI tutorials skip.
A practical explanation of XChaCha20-Poly1305 and why tene picked it over AES-GCM for a local-first secret vault. No PhD required.
