Ledger Pay (LGA) is a cryptocurrency global payment gateway built on the cutting-edge, decentralized, tamper proof, distributed accounting, built-in smart contracts, and other blockchain technologies, providing installation and integration services for cryptocurrency payment systems. The holder of cryptocurrency can send the cryptocurrency to an independent deposit address generated by the payment system contract, and the results will be confirmed by block search. When a customer initiates a payment request, they will send cryptocurrency for conversion and then convert it into legal currency. Merchants can also choose to continue holding cryptocurrency. LGA will serve as the fuel for the Ledger payment ecosystem.LGA interacts with the ecosystem through the following methods: providing management and consumer protection through smart contract technology; Provide convenience for using the platform; Create different LGA tokens for different retailers, merchants, and businesses; Used as fuel for LGA and token trading. Ledger Pay is a platform with multiple attributes. Ledger Pay uses technology to reshape business and achieve seamless closure of the ecosystem in the era of blockchain token economy. Its emergence is another revolution in the traditional digital currency trading model....