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This is a “virtual AR” device, so it’s easy to be fooled into thinking that it’s “just” displaying the camera feed, as Quest does. But it also gathers mesh and lighting information about the room, and it uses that to *transform* the internal projection of the environment in certain cases.
• For instance, [the film player bounces](https://developer.apple.com/wwdc23/10072?time=1046) simulated emissive light from the “screen” onto the ceiling and floor, while “dimming” the rest of the room.
• Controls and interface elements [cast shadows](https://developer.apple.com/wwdc23/10072?time=879) onto the 3D environment.
Vision Pro
Andyʼs working notes
When FileVault is disabled, data on protected volumes is still encrypted using a volume encryption key (VEK), which is protected by a hardware key and a xART key used to protect from replay attacks. When FileVault is enabled, the same VEK is used, but it’s protected by a key encryption key (KEK), and the user password is required to unwrap that KEK, so protecting the VEK which is used to perform encryption/decryption. This means that the user can change their password without the volume having to be re-encrypted, and allows the use of special recovery keys in case the user password is lost or forgotten.
Explainer: FileVault
eclecticlight.co
A financial system is, well, a series of databases. It’s a way to shuffle around claims on tangible stuff; it’s an adjunct to the real world.
The Only Crypto Story You Need, by Matt Levine
bloomberg.com
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