GoLLMPrivacyRegex
Why I Didn't Use an ML Model to Detect PII
Building an LLM proxy that redacts PII in the request path, I chose regex over NER. The reasoning, and an honest account of where my own patterns get it wrong.
10 min read
Read moreWriting
Notes from the build
Things I've worked through on production systems, written up while the details were still fresh.
- BLEArchitectureSecurityOffline-First
In Range Is Not the Same as Allowed
BLE is a proximity protocol, so anyone near your hardware can talk to it. Splitting transport from authority, and being honest about what a client-side permission check is and is not.
9 min readRead more - React NativeExpoBLEBluetooth
Bluetooth Low Energy in an Expo App
Seven things I ran into shipping BLE with react-native-ble-plx on Expo: dev clients, the simulator, version-dependent Android permissions, and the byte protocol behind a single characteristic.
11 min readRead more - RemixeSewaPaymentsNepal
Integrating eSewa Payments in a Remix App
A practical guide to integrating eSewa, Nepal's most widely used digital wallet, into a Remix application: form handling, signature generation, and the redirect flow.
5 min readRead more