10000 qr code optimization · Issue #1807 · mempool/mempool · GitHub
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qr code optimization #1807
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@katesalazar

Description

@katesalazar

Description

long addresses, such as p2wsh, I guess will happen with p2tr too, appear on 57x57 grid on mempool ,while bitinfocharts is capable of packing them in the 33x33 grid

Problem to be solved

I think 57x57 qr codes require a little bit more "zoom" for scanning, than 33x33

Proposed solution

I guess all codes are being generated with a single configuration when analyzing the string could lead to a different optimal qr configuration for the string resulting in a smaller code

Additional info

BIP 173 ("Base58 needs a lot of space in QR codes...") ("For presentation, lowercase is usually preferable, but inside QR codes uppercase SHOULD be used, as those permit the use of alphanumeric mode, which is 45% more compact than the normal byte mode.")

(linked from the previous: https://www.thonky.com/qr-code-tutorial/alphanumeric-mode-encoding)

(linked from the previous: https://www.thonky.com/qr-code-tutorial/alphanumeric-table)

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