The general issue with this sort of oracle is the potential to create prediction markets based on someone's dead/alive state. I'm sure you can imagine why that could become problematic.
Sure, except it's way easier and legally less risky to compromise or co-opt the "oracle" than to murder somebody.
This is the same problem every single foo-on-the-blockchain project faces: all the interfaces with the real, actual world are obvious vulnerabilities that obviate the supposed security benefits of this convoluted crypto system.
This is the same problem every single foo-on-the-blockchain project faces: all the interfaces with the real, actual world are obvious vulnerabilities that obviate the supposed security benefits of this convoluted crypto system.