This blog descibes how you can convert a string like "Alex" to a Guid with value: 1fe62611-cd3f-46e3-1e09-0ccb19e446e7. The same string always results in the same guid.
Het is vandaag 11-7-2020, dus is Alex 51 jaren, 3 maanden, 1 week en 6 dagen oud.