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[–] 8 points 9 months ago

Im pretty sure its like hardware mac addresses and there is a lot of variety but not endless. Im like 99% sure a key from a lock can open a bunch of other locks sold but its really unlikely to open a lock sold at the same store. Anyway as for the how our modern mass production machinery has electronics and can be programed to things a bit differently based an a database or some math or such.

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