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I noticed that the QR Code for this payment method is unusually large. The underlying text string is quite long compared to the strings for things like Bitcoin
by nayuki 8y ago
I noticed that the QR Code for this payment method is unusually large. The underlying text string is quite long compared to the strings for things like Bitcoin addresses, social media profile URLs, etc.
- jhanschoo 8y agoThe article observes that there is considerable metadata encoded in the QR code itself, as opposed to, say, a single hash that needs to be xross-checked with a unified database.