Tear Em Asunder

RamNation General Discussion Board


Joined: 09/22/2010 Posts: 5226
Likes: 4031

Any of you Colorado folks installed the exposure notifications app?

I did. I'm not worried about privacy because it doesn't use any permissions on your phone (and on the Android version you can't give it any). The way it works is pretty ingenious.

Your phone generates a token that anonymously identifies you. When you get close enough to someone else who has the app installed your phones share their tokens via Bluetooth. A server in the cloud keeps a list of all the tokens you've interacted with over the last 14 days. If the owners of any of those tokens test positive, they put a code they get from the testing center into the app, and anybody who's been close to them for a certain amount of time gets a notification that they've been exposed.

You won't know who exposed you, when you were exposed, or where you were exposed. You won't get a false positive, either, because people can't just enter fake test results into the app. It works outside Colorado, too. There are about a half-dozen or so states whose apps are interoperable.

It's honestly a decent way to do anonymous contact tracing.

Posted: 11/18/2020 at 8:33PM


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