Buy now, pay later (BNPL) firm Sezzle is promoting unsecured loans up to $10 million to its ecommerce merchant customers through a partnership with Wayflyer. Merchants can use the working capital for inventory, marketing and improved cash flow. Sezzle doesn’t provide the capital or take any credit risk. Wayflyer handles credit risk management and holds all loans on its balance sheet. This month, Discover Financial Services bought $30 million in Sezzle shares, which trade on the Australian Stock Exchange. The card issuer will promote BNPL services to the U.S. merchants with which it has a ...