alt Hacker News> Something like a wearable that you can tap-to-pay and has the signed software attenuation but nothing else so you can't be tracked using GPS.
That's a nice idea. You could have a simple card-shaped device with no screen or buttons, and call that a "credit card".
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refulgentis • last Friday at 7:04 PM
https://news.ycombinator.com/newsguidelines.html
“Be kind. Don't be snarky.”
“Please respond to the strongest plausible interpretation of what someone says, not a weaker one that's easier to criticize. Assume good faith.”
Heh yeah, my comment does kinda scream credit card. What I really mean is something programmable for narrow use-cases like multiple forms of payments, transit, or other stuff like building access.