Most of the chains position themselves as fast in my opinion.
The striking fact about Vanar is that it is cost disciplined. They have fixed charges of approximately $0.005 which enable the teams to model Economics of the unit before introducing their apps. The further addition of a public RPC and a testnet at 78,600 makes it possible to run a clean ship-measure-iterate cycle. This is not hype, it is predictability in operation and predictable systems are the ones that enterprises take up.