Two newly-published patent applications from Microsoft suggest that the software giant is looking at the use of trusted execution environments, or TEEs, within its blockchain offerings. But what exactly is a TEE? According to information gathered from two filings published by the U.S. Patent and Trademark Office Thursday, a TEE is specified to store “a pre-determined type of blockchain or other security protocol code” in a “validation node.” With this kind of data, a “TEE attestation” is able to verify participants of the system who possess matching information held within the node. In blockchain, a node is simply a point of connection able to receive, store and send data within the network. And how all this might prove to be useful is explained in two ways. First, a TEE may assist in the establishment of a “consortium blockchain network.” By setting up the first node of the blockchain to
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