Affirm began offering installment credit financing to customers of U.S.-based merchants selling online in 2014. Since then, more than 1,200 online merchants have installed the Affirm payment button at their checkout pages, and more than 1 million installment payment transactions have been funded. Consumers click the Affirm button and input their name, date of birth, phone number, email address, and last four digits of their Social Security number to start the application process. If approved, they can choose 3-, 6-, 12-, 18-, or 24-month installment plans. Most merchants offering Affirm are...