BDF leverages the public and transparent advantages of the public blockchain, integrating Ethereums smart contracts to reduce business execution costs and make rules transparent. BDF is applied in online shopping, offline malls, entertainment and gaming, food services payments, real estate and hotels, luxury goods, and more. BDF is dedicated to building a global payment ecosystem, enhancing the user experience of cryptocurrencies in all consumption scenarios, and establishing a global cashless transaction system. With 5G information as its foundational technology, and combining financial payments with blockchain as its entry point, BDF creates a new global blockchain-based financial payment free trade platform, utilizing blockchain as the underlying support for a fully digitalized ecosystem.