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I have personally encountered a system that used name + birthdate to uniquely identify its "users" (large % of citizens of a country of non negligible size). T
by avip 7y ago
I have personally encountered a system that used name + birthdate to uniquely identify its "users" (large % of citizens of a country of non negligible size).
That was absolutely insane. Try applying such logic in China or a big Arab state.
- Piskvorrr 7y agoWouldn't even work for a largish city. I have like 10 namesakes that I know of (none of them related to me), and my full name is not even that common. With birthdate, this is just the birthday effect waiting to bite someone.
- noneeeed 7y agoThat's terrible :/ The "birthday paradox" means you need just 23 people before you have a 50% chance of a collision, and 70 gets you 99.9%...
- Merrill 7y ago23 people born in the same year with the same name.