We devise a simple protocol. A client delegates his or her quantumn computation to a remote server in accordance with the inputs andn instructions. Alice, the client, has a classical computer or limitedn quantum technologies, and these are not sufficient for the universaln quantum computation at her disposal. Bob, the server, owns an fully-fledged quantum computer and promises to execute the computationn honestly. The protocol itself is half-blind, that is, Bob may learnn which qua
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