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Maybe signs of the future should also have a QR code next to them for the real speed, just in case someone modifies the painted one. If they mess with the QR co
by higherpurpose 12y ago
Maybe signs of the future should also have a QR code next to them for the real speed, just in case someone modifies the painted one. If they mess with the QR code too, then it should give a warning or something.
- ghshephard 12y agoSign the Speed Limit tangled with the GPS coordinates of the sign with a private key of the state. Place both the signature, GPS coordinates, and speed limit in the QR code.
- Florin_Andrei 12y agoYeah, in the future the number visible on the sign will be just a courtesy to humans. The authoritative piece of info will be electronic.