And it is not that bad - base45 packages nicely in 11 bits; so compared to exact... | Hacker News

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		dirkx on June 22, 2021 \| parent \| context \| favorite \| on: What's Inside the EU Green Pass QR Code? And it is not that bad - base45 packages nicely in 11 bits; so compared to exactly the same payload in binary - there is just a few percent difference in the end in pixels/cells on screen.

pyentropy on June 22, 2021 | [–]

4 bytes get converted to 6 alnums and those gets packed into 3 * 11 = 33 "qr-bits" <=> [33/32 - 1] ~ 3% loss.

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