Consumer-grade hardware generally lacks real confidentiality assurance features. Such a software feature implemented in user-space is moot without the ability to control context switching, rendering it mostly security theater. Security critical bits should be done in a dedicated crypto processor that has tamper self-zeroing and self-contained RAM, or at the very least, in the kernel away outside the reach of user-space processes. No matter how much marketing or blog hype is offered, it's lipstick on a pig. They've essentially implemented a soft, insecure HSM.

Big thumbs down from me.