The people who waited for half a year to get help from the other side are almost the same as the winners, but they are just confusing. You'd better think carefully when you join! Although not much money is a good thing, the problem is that these liar companies use ordinary people to eat blood steamed bread! Quark Chain Letter Quark Chain Letter is a blockchain e-commerce social integration software developed by Singapore Chain Letter International Foundation based on quark blockchain, with tens of millions of users. Quark chain information uses the intelligent contract function of quark blockchain.