HyperCash, rebranded from Hcash, revolutionizes digital currency through its pioneering dual-chain model, integrating both blockchain and DAG systems to address security and scalability issues. Uniquely designed to bridge public and private blockchains, it eases data and value transfers between diverse systems. The ecosystem relies on HC tokens for governance and ecological balance, essential for creating HX tokens in the HyperExchange chain. HyperCash stands out with advanced privacy features for anonymous transactions, fortified by quantum-resistant signatures, anticipating future quantum computing threats. Its core mission is fostering seamless interaction among multiple cryptocurrencies, promoting unprecedented interoperability, and transcending typical cryptocurrency limitations.