During the 2008 financial crisis, some companies in the United States that seemed to be doing well filed for Chapter 11 bankruptcy protection in the Federal Court. However, from the income statement, these companies have been profitable, the product quality is also good, and customers have not been lost. I heard a senior Internet entrepreneur say: Do you think the competition among Internet companies is to fight AI (artificial intelligence) technology, user experience, and business model? The fight is all about the capital chain, and even, it is to pinpoint the weaknesses of the opponent's capital chain and attack. If you have started your own business, you will understand that there are two kinds of profit in the world: one is the profit in the book Bulk SMS Service and the other is the profit in the bank account. Three-quarters of profitable companies may go bankrupt, because there is a lot of profit in the books, but very little in the bank account, things are sold quickly, and money is recovered very slowly. In fact, this is a common phenomenon, all over the world. Because there is competition and things are not easy to sell, sellers often allow buyers to "credit", allowing buyers to pay after 30, 90, or even 180 days after purchasing the product. Singapore's national credit rating and business credit environment index are at least among the top 5 in the world. However, the accounts receivable of Singapore companies have reached 90 days, and more than 40% cannot be recovered as scheduled. A very interesting survey found that the sales department of a company thinks more about performance growth every day; but the CEO is more worried about the life and death of the company, that is, the problem of getting money back. Therefore, the first core link of sales is to collect accounts, and the second is to sell things. Why is it so hard for sales to get money back? Basically, it's a bargaining power issue . The battle for bargaining power in Internet commerce is more of a battle between platforms and suppliers. Platforms are often in a strong position, but with the iterative application of blockchain technology, the traditional pattern may be broken. Based on this understanding, the bargaining power dispute can be divided into three levels: 1. Earning the account period means making money Today, there is an e-commerce platform that is rising rapidly. The number of users has increased by 100%-300% for several consecutive years.