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> 3D: 3D barcodes typically look like 2D barcodes, but use color as a third dimension. While they are used in very niche markets, I haven't encountered any in t
by EdSchouten 6y ago
> 3D: 3D barcodes typically look like 2D barcodes, but use color as a third dimension. While they are used in very niche markets, I haven't encountered any in typical day-to-day use.
One of the major banks in the Netherlands uses them for logging in & approving transactions when doing online banking: https://nl.wikipedia.org/wiki/Rabo_Scanner https://nl.wikipedia.org/wiki/Rabo_Scanner
- knodi123 6y agofrom TFA's comments, > The German Bank "Commerzbank AG" (and others I think) uses a 3D Code for their Photo TAN process. It also looks quite nice, as they use colored dots instead of squares. > You can see it here: https://www.corporates.commerzbank.com/portal/en/cb/de/firmenkunden/services/apps/phototan-15/photoTan.html https://www.corporates.commerzbank.com/portal/en/cb/de/firme... > It is read by their Android or iOS App, which then show the login or transaction details and generate a 7 digit confimation code. > I would not call that a niche market :-)