TechApr 8, 2026updated12 minReverse-Engineering the HP Sprocket 200 BLE Protocol to Print from a PCI reverse-engineered the HP Sprocket 200's proprietary BLE protocol (HPLPP) and successfully printed directly from a PC using a Python script.BluetoothBLEHardwarePythonReverse Engineering
TechMar 30, 20265 minCloudflare's bot-management script was reading React's internal stateA reverse-engineering report decrypted the obfuscated bytecode running on ChatGPT's login page and uncovered the 55-field fingerprinting system and React Fiber inspection behind Cloudflare Turnstile.CloudflareTurnstileReactBot ManagementFingerprintingReverse EngineeringChatGPT