The Clever Cryptography Behind Apple's 'Find My' Feature

An interesting article about how Apple’s new ‘Find My’ feature works and how it compares to the previous iterations of the service. With Apple’s focus on privacy, I was a bit surprised to learn that with the current version they’re able to read the acquired locations:

In fact, Find My’s cryptography goes one step further than that, denying even Apple itself the ability to learn a user’s locations based on their Bluetooth beacons. That would represent a privacy improvement over Apple’s older tools like Find My iPhone and Find Friends, which don’t offer such safeguards against Apple learning your location.