4 ms·

So is there a market potential here? A way to hash a physical object?

• dane-pgp 7y ago
  Depending on how broadly you want to define "hash a physical object", there is a trick that was described by this memorable HN comment: https://news.ycombinator.com/item?id=18138699 https://news.ycombinator.com/item?id=18138699
  • joezydeco 7y ago
    Yeah, it seems like an arms race you can't win.