Here’s a review-style breakdown of keys.txt for Cemu (the Wii U emulator), focusing on what “better” means in terms of setup, security, and performance.

Optimizing Cemu: A Comprehensive Guide to Key.txt Configuration

. However, for the smoothest experience, converting your library to the extracted folder format

A better keys.txt is:

Note on Modern Cemu: Newer versions of Cemu (2.0 and later) have streamlined this. They generally expect a single keys.txt file, which acts as a container for both system keys and title keys. If you have an older titlekeys.txt, it is often best to rename or merge it into keys.txt to ensure the emulator detects the full library of decryption keys.