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Yes, 41 characters would be sufficient. I would have omitted these four (the asterix being there only to have a consecutive subset): 36 Space 37 $
by kubanczyk 5y ago
Yes, 41 characters would be sufficient.
I would have omitted these four (the asterix being there only to have a consecutive subset):
36 Space
37 $
38 %
39 *
Especially % can be confusing, as %20AA seems like a valid base45 both before and after urldecode. The $ is a lesser footgun.
I'd be keen to learn why they decided to use full 45 characters available in alphanumeric QR.