  We interpret the traversable wormhole in AdS/CFT in the context of quantum
information theory. In particular, we investigate its properties as both a
quantum channel and entanglement witness. We define protocols that allow either
the bounding of the channel's entanglement capacity or the determination of
aspects of the entanglement structure between the two boundary CFTs. Such
protocols and connections allow for the use of quantum channel techniques in
the study of gravitational physics and vice versa. More generally, our results
suggest a purely quantum information-theoretic criterion for recognizing when
the product of two boundary theories has a classical bulk interpretation.
