Spring 2020

Classical Commitment to Quantum States

Wednesday, January 29th, 2020 2:00 pm3:00 pm

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This talk will focus on a commitment protocol in which a classical string serves as a commitment to an exponentially complex quantum state. As in classical cryptography, commitment schemes are quite useful - in this case, this commitment protocol can be used to classically verify quantum computations. I will discuss both the construction and soundness of this primitive, which is based on the quantum hardness of the learning with errors problem.