There 3 current cryptocurrency that using Directed Acyclic Graph, they are IOTA, Nano, and Obyte. But nothing like our 😍sexy 😍millix😍. Again well done to the TEAM!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
We know, however they all use gatekeepers special nodes that process transactions. As far, as I know we are the only ones that all nodes perform all functions... But, yeah... I will put that in the book somewhere somewhere...