The Dogecoin Public Testnet Expansion is drawing attention as developers explore practical uses for DOGE beyond its meme-driven reputation. DogeOS has opened an experimental environment for decentralized applications, while payments project Remittix says selected holders are testing its PayFi service. Both developments highlight a wider crypto industry challenge: turning product announcements into dependable services that people actually use. DogeOS Opens Applications to Public Testing DogeOS launched its public testnet on September 30, offering developers an environment compatible with the Ethereum