I can still decode image half of this size from the screen, so I guess minting process will be the limiting factor.Originally Posted by brdad
She here is a question for GeocoinDesign.com, since cano has pushed this idea. Interesting to know, whether it was decided to use on this coin or not.
About how small could a "21 module size" QR code be minted onto a coin, like the one below, and still have it decodable by a phone?
Reply With Quote