Core Insights - Circle, a leading fintech and stablecoin giant, has announced a strategic partnership with the retail digital enterprise Duopoint Smart [1] - Duopoint Smart will be an early participant in the Arc public testnet, contributing to the ecological development and technological innovation of Arc [1] - This collaboration is expected to empower Duopoint Smart's retail digital network with blockchain technology, accelerating the upgrade of global retail payment scenarios from zero to one [1] - The partnership highlights Duopoint Smart's first-mover advantage in the "physical retail + blockchain" sector [1]