Some retro systems use EEPROM data as a "key." If the data in the .bin file doesn't match what the game expects, the system might refuse to boot to prevent piracy. Working with .bin Files
The Paperboy EEPROM Binary: A Deep Dive for Retro Enthusiasts Paperboy Eeprom Bin
If you are working with the NES version, a .bin file often refers to the dumped program data . Hackers use these files to modify game logic—like disabling the "newspaper decrement" instruction to give themselves infinite ammo. How the Data is Used Some retro systems use EEPROM data as a "key
Ever wonder how an arcade machine remembers your name after it's been unplugged? It saves that small snippet of data to the EEPROM. Paperboy Eeprom Bin