Do we really need to generate more petrochemical waste so we can have neat little hardware tokens?

the paper: https://www.cell.com/chem/fulltext/S2451-9294(25)00161-5?_re...

Also perhaps my reading comprehension has suffered over the past years, but it seems there is no challenge-response component to this? To my knowledge that's the only way this could be airtight.

Cool tech. Don’t put a password in something that can be read by anyone with a scanner though.

Terrible application but exciting tech.

It's a new form of information storage using very cheap substances. It's only a few dozen bytes for now but it's still cool to see fundamental research like this take place.

whatever happened to printing the passwords qr code. The tech might itself is interesting. My first thought was archival though. Storing whatever we have on paper archives.