Nobody knows X Nodes of VET? 
Are you looking for more information about the project nodes, or you don't know what it is about?
This site may help https://www.investopedia.com/terms/v/vechain.asp , but I am not sure if it is the exact project you are talking about. And the exact node type you mentioned is probably not on the site.
Interesting excerpt from the article:
Quote
Anonymous nodes are not allowed, and disclosure of identity is an essential pre-requisite to becoming an Authority Masternode. According to VeChains white paper, this system uses less power and does not require a minimum number of validators to reach consensus.
Yes, this is
and the ROI is not attractive enough 