Essentially, Team R2R reverse-engineered the licensing system that Reason Studios used for third-party REs, converting trial or rented REs into permanent, usable devices.
In a legitimate setup, Reason Studios uses the (formerly Authorizer) to download, install, and verify licenses for Rack Extensions from the official shop. Team R2R’s version bypasses this online verification system using a CodeMeter emulator (often referred to as "R2R-WAIFU"). team r2r reason rack extension cache builder