To the more advanced, unmatched, even advanced technology, even more advanced technology has come a long way from now on.

Even the door locks can also be ordered from the phone.

As seen in this video, the lock is so advanced that it can be used to lock the phone on a smart phone easily, just by the phone's app.
And, more importantly, the key is safe and strong, it is not easy to digest or break up, even if it's a metal barrier, it's cracked and it does not lock.