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Solution _




        Screen method

        It may seem strange , but when we make a transaction, we exchange data with the othe

        r party . In that case , if you take a lot of data about products that are not sold and store i
        t on the server , it becomes a burden on the server and management costs .




        So, without having to incur the burden of server management costs and without putting
        the data on my server , the user just brings and purchases what the other party needs ,

        and without managing the data , I developed this method with a patent and used it in my

        business. is doing .




















































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