News for hackers. Stuff that matters.
Re:Tesla Plans to Open Car Doors to All Hackers This Summer by maxerickson on Tuesday April 28, 2015 @12:28PM (#9453456)
From a previous discussion:

https://news.ycombinator.com/item?id=9383462

https://en.wikipedia.org/wiki/Distance-bounding_protocol

(I don't pretend to have a clue whether it can be effective or not)

Re:Tesla Plans to Open Car Doors to All Hackers This Summer by mikeash on Tuesday April 28, 2015 @01:40PM (#9454000)
Thanks, nice to know that it has a name.