A network memory system for ensuring compliance is disclosed. The network memory system comprises a first appliance configured to encrypt first data, store the encrypted first data in a first memory device. The first appliance also determines whether the encrypted first data exists in a second appliance and transmits a store instruction comprising the encrypted first data based on the determination that the encrypted first data does not exist in the second appliance. The second appliance is further configured to receive a retrieve instruction comprising an index at which the encrypted first data is stored, process the retrieve instruction to obtain encrypted response data, and decrypt the encrypted response data.