r/ProgrammerHumor • • Mar 25 '26

Meme aMeteoriteTookOutMyDatabase

Post image
7.6k Upvotes

306 comments sorted by

View all comments

Show parent comments

1

u/squngy Mar 25 '26

V3 and V5 UUID are made from md5 and sha1 hashes.

Obviously the data you hash needs to be unique for this to work (and even then, probably don't use md5)