One path is to use sequential ints internally and encrypt them externally with something like idgen: https://pypi.org/project/idgen/ https://pypi.org/project/i

One path is to use sequential ints internally and encrypt them externally with something like idgen: https://pypi.org/project/idgen/ https://pypi.org/project/idgen/ That provides IDs that are both opaque and, if you want, user-friendly. (disclaimer: I wrote it.)