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

Traversable Wormholes as Quantum Channels: Exploring CFT Entanglement Structure and Channel Capacity in Holography