and if the fingerprint is different it wouldn’t work with the Javier’s driver unless I gave him the fingerprint and he added it right?
Correct. See the following FAQ, because it applies specifically to this situation
FAQ: Using Tuya Zigbee Devices Directly With a SmartThings/Aeotec Hub (2024)
I don’t know anything about fingerprints. I obviously understand the basics of what it is but how do I find the fingerprint?
Pretty sure I gave you the FAQs for fingerprints before, but if not, here they are:
FAQ: Manufacturer/Model Shows All Zeroes
FAQ: I have no idea what Edge is. Is that a new developer tool? (2022)