A QR code that sends you to a different destination – lenticular and adversarial(mstdn.social)
512 points by zdw | 71 comments
A Mastodon post showing a QR code that resolves to different destinations depending on viewing angle or scanner, using lenticular and adversarial techniques.
![Screenshot of apps.dtic.mil: Actors: A Model of Concurrent Computation [pdf] (1985)](https://hn.urlbox.com/shots/renders/2026/2/2/54bd03c4-b32d-4711-ae47-ffd0d37bdf77.jpg)





