The server is the ultimate authority. Cheat Engine cannot edit data on a remote server; it can only edit data in your local RAM. Therefore, "infinite currency" hacks are technically impossible via Cheat Engine.
You will find YouTube videos claiming "Mu Origin 3 Cheat Engine 100% Working." Watch them carefully. They usually show one of two things: mu origin 3 cheat engine
This is the gray area. You cannot hack the server, but you can automate the grind using macro recorders (like Pulover’s Macro Creator or LDPlayer’s built-in macro manager). You can set up a macro to: The server is the ultimate authority