@ctoLarsson @avalancheavax Woha woha, there is no KYC of validators. What you're referencing is just an example of what you could use subnets for if you'd want to make a permissioned subnet.
2)
It doesn't lower gas fees in the long run because it's not a scalability improvement. However, it may help users not overpay for transactions due to a better fee estimation process. It also smooths out gas prices between blocks thanks to variable block sizes.