Assuming the Arduino Nano clone isn’t using an amazingly high-quality EEPROM we can safely assume that most of us have nothing to worry about and our Arduinos will be functional for decades to come.

and EEPROM of 1 KB. Its bootloader only consumes 2 KB of the flash memory, providing you enough space for your sketches. In addition to this main processor, the Nano also has another chip on board ...