>

Absolutely perfect for that.
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Many homeless people take contactless payment, these days. Some even put it on their signs.
Anyone with a smartphone can do it. Few people don't have smartphones, anymore.
You can literally get a Square dongle for free, to swipe cards.
Homeless people jumped on Cash App faster than dealers. >

And for those wondering, the government does provide phones to homeless people who apply.  It's a program that started with Reagan with home phone service, under Obama it applied to cell phones and has seen need applied to smartphones >

I believe Hillary Clinton made that a campaign promise, but for obvious reasons that never happened >

But it's great for governments taking their cut from the productive class!