Recently, I have noticed a cross chain interoperability project called @ union-build, a Layer-1 project with ZK interoperability as its core, aiming to disrupt the current cross chain market landscape dominated by @ LayerZero_Cre. The question is, what are the differences and highlights between it and other cross chain interoperability projects? Will it bring new opportunities to the ZK Infra track? Let's talk about some of my observations: