I went to sign up for Club+ cause they said my card would stop working soon. Just as a side, I copy and pasted the terms of service and privacy policy into chat jippity and asked it if anything was strange. Looks like we're allowing them to build up and share/sell a pretty rich profile including license plate data and facial recognition.

Might be worth it to have a read beforevblindly clicking through.

Also, if you play minecraft this site can be useful: https://pooworld.co.nz/

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[–] nsh@lemmy.nz 3 points 4 months ago (2 children)

In case it gets taken down in the future, here's how it works - https://web.archive.org/web/20250220103424/https://www.reddit.com/r/newzealand/comments/1apis6y/comment/kqb8yos/

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[–] Dave@lemmy.nz 3 points 4 months ago* (1 child)

Interesting! I once wrote an excel macro that used checksums to validate bank accounts, and I cannot remember anything about them except that it was just maths. So I'm guessing the websites just use this format as described in your link.

In your link they are speculating about invalid numbers. If they still have stacks of them in the shops to hand out to people who would want to use them right away, I doubt they would reject an unregistered card. Just record it the same way as any card but only allow points or whatever to be spent when it's been registered.

I've used the cuntdown site a lot and can only remember one time the barcode was rejected.

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[–] nsh@lemmy.nz 3 points 4 months ago

I haven’t used it heaps but it has never failed for me so far.

I think you’re right about the pre-populated codes. I don’t think they do user verification at runtime. That would hurt the self-checkout experience even more - their app is already painfully slow. But as the author said, stupid decisions have been made.

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