&gt; Now, if we have a way to send an encrypted query to the peer and have it run on encrypted data without the peer being able to understand the query or the data, we&#x27;d be set perhaps.<p>Is that possible? It doesn&#x27;t seem to be &quot;N versus NP&quot; but it seems similar. How can a computer find a correct answer to a question it doesn&#x27;t know?<p>I suppose you could send off small units of processing across many nodes, such that none of them knows the full result set...