Not identical security method though. This is over bluetooth and has way more electronics in it than a chip-and-pin card.
By comparison, the NFC-based 'Keycards' that the Tesla Model 3 has can be replaced for $6 each.
By comparison, the NFC-based 'Keycards' that the Tesla Model 3 has can be replaced for $6 each.
What is the security model delta here?