According to Microsoft
Coco achieved approximately 1,700 transactions per second using a private version of the ethereum blockchain, compared to about 13 transactions per second without the framework
blockchain was being processed in a trusted environment, allowing for a "simplified consensus mechanism," in this case, RAFT.
If my understanding is correct, a new block is simply generated by a designated machine equipped with TEE as an added security to prevent malicious actor from tempering with the consensus mechanism, so proof of work can be replaced by something lighter. Am I right to say?