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A comment on What's Inside the EU Green Pass QR Code?. Parent comment

Re:What's Inside the EU Green Pass QR Code? by pyentropy on Tuesday June 22, 2021 @01:30PM (#27594539)
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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