A cryptographic protocol that regulates the interactions between a prover and a verifier. The protocol is usually executed in the context of a storage outsourcing scenario, where the prover is the client and the verifier is the (storage) service provider. The correctness property of PoW schemes require that the owner of a file will succeed in convincing the verifier of this fact.

Security Primitive: 
Proof of Ownership
Security Requirements Addressed: