Enterprise-level blockchain infrastructure and end-user applications. Building the future of Web 3. Stamper Co., Ltd. is the company behind Cosmostation, a PoS validator node operator and end-user application developer for 40+ sovereign blockchain networks. Through Cosmostation, Stamper operates validator nodes across major networks and provides end-user infrastructure such as mobile apps, web apps, block explorers for partner networks. Stamper is commited to contributing to the future of Web 3.0 through efforts ranging from product development, early-stage investment, consulting, and validator node operation.