Question: In the non - interactive version of Schnorr's protocol ( see ZK lecture - slide 4 2 ) the challenge is computed as c :

In the non-interactive version of Schnorr's protocol (see ZK lecture - slide 42) the challenge is computed as c := H(h||y), where y is the first message of the prover and
h the prover's public key. Let the variation with c := H(y), i.e. without including the public key of the prover. Prove that this version does not have the property
of correctness.

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