Please re-read the sentence. The TraceTogether app can be used or the picture id... | Hacker News

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jsemrau on April 9, 2022 | parent | context | favorite | on: An Account of the Shanghai Lockdown

Please re-read the sentence. The TraceTogether app can be used or the picture id. But the information in TraceTogether is the same as in your NRIC/FIN. So you are authenticating with two strong keys phone number and NRIC / FIN wherever you go. The "ambassadors" walked around taking pictures. I think you combined two parts of the sentence into one.

philliphaydon on April 9, 2022 [–]

Picture id was only used before trace together was mandatory. If you signed up for trace together early you didn’t need photo Id.

Ambassadors were never walking around taking random photos.

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