This could be stored on a computer now, though. But numbers can be fudged. Taiwa... | Hacker News

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		hnick on Nov 17, 2020 \| parent \| context \| favorite \| on: Yelp Is Replacing Restaurants’ Phone Numbers So Gr... This could be stored on a computer now, though. But numbers can be fudged. Taiwan had an interesting way around this with a receipt lottery. Ask for a receipt, it has a number on it that enters you in a lottery. Presumably the generation of this number means the sale was reported. https://guidetotaipei.com/article/taiwan-receipt-lottery-%E7...

carlmr on Nov 17, 2020 [–]

Portugal and a few other countries have that, too, it's very effective.

https://www.economist.com/finance-and-economics/2019/02/28/g...

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