That hl2 tech demo way back when. The graphics and physics engine update from old game to new (I mean really against anything current) was unreal! Holy shit I’ve ever been more pumped for a game in my life!
Found it - E3 from 2003 https://youtu.be/4ddJ1OKV63Q?si=GhIZZF1Xc4M8OZ6R
Yes because having a user remember to do something is a great line of defense, better than encrypting it from the get go. It should just be encrypted in the file.