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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 baud147258 on Tuesday June 22, 2021 @10:25AM (#27592015)
large franchise can already do that with customer fidelity programs anyway...
[ Parent | on HN ]
Re:What's Inside the EU Green Pass QR Code? by y04nn on Tuesday June 22, 2021 @02:01PM (#27594942)
They do, but you can opt out, here the check is mandatory, the same for paying by credit card, you can use cash.
[ Parent | on HN ]