2 ms·
You can have two colliding short hashes in a row.
by tedunangst 5y ago
You can have two colliding short hashes in a row.
- mlyle 5y agoYou can have two colliding full length hashes in a row, too. It's just not very likely. 7-8 character shorthashes are perfectly reasonable for tracking a few thousand objects without much chance of collision. There's a tradeoff between the uniqueness guarantee and the friendliness if humans ever need to see the identifier. Of course, sequential identifiers can be even shorter and friendlier, but they are more troublesome in several ways than hash-derived ones.
- deleted 5y ago[deleted]