We have two types of NFT's at the moment...Curators and Validators.
Curators can add data and earn rewards for adding profiles, events etc.
Validators verify the data on profiles. The Validator NFT's haven't been released yet but they will all earn rewards proportionally.
There are more details here: @trustexchange/trust-exchange-tokenized-digital-certifications
RE: Introducing Trust Exchange: Revolutionizing Business Information Sharing on the Hive Blockchain