IRISnet: Interchain Service Hub for NextGen Distributed Applications -- A BPoS Blockchain that is Self Evolutionary. IRIS network (a.k.a. IRISnet) aims to establish a technology foundation to facilitate construction of next-generation distributed applications. By incorporating a comprehensive service infrastructure and an enhanced IBC protocol into Cosmos stack, IRISnet enables integration and interoperablity of business services offered by heterogeneous blockchains including public chains as well as consortium chains.