> As others have mentioned, using MAC address doesn't remove the
> possibility of a collision.
> Maybe a good compromise that would allow a generator function to go into
> the backend would be to combine the current time with a random number.
> That will ensure that you won't get a dupe, so long as your clock never
> runs backwards.

I think that is a reasonable solution. I just wonder if there is a cross
platform way to get the MAC address for all OS we support.

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