BDF integrates the advantages of public chain openness and transparency into Ethereum's smart contract, reducing the cost of business execution and making rules transparent. BDF is applied to online shopping, offline shopping malls, entertainment gambling, catering payments, real estate hotels, luxury goods, etc. BDF is committed to building a global payment ecosystem, improving the user experience of Cryptocurrency in all consumption scenarios, and establishing a global cashless transaction system. BDF takes 5G information as the foundation of the times, and combines financial payments with blockchain as the entry point to create a new global blockchain financial payment free trade platform, using blockchain as the underlying support for full ecological digitization....