DLZ is a completely decentralized cryptocurrency payment ecosystem. It is a cryptocurrency that enables the upper layer to match the payment requests of consumers and coin buyers through the decision network, and establish a secure and efficient payment path for transmission with the lower layer network. The merchant side completes the function of paying legal currency settlement for consumers through the acquirer, and constructs a good payment ecosystem loop by incorporating local acquirers and large chain merchants.Realize real-time settlement for merchants, accelerate and reduce fees for users, and truly integrate cryptocurrency into people's daily lives. Solve the problems of increasingly slow cryptocurrency transfers, higher transaction fees, and difficult payments for small and micro enterprises.The payment channel constructed based on smart contracts has strict restrictions on the destination of funds, and user balances settle within the channel, making it impossible for third parties to steal even under attack, fully ensuring the security of funds....