At least $17 trillion is trapped in accounts payable worldwide. This big number represents a huge opportunity in working capital financing. Where there is opportunity, there is innovation. The market for working capital financing which had been undergoing low-gear transformation is now shifting into high-gear transformation. Over the past five years, banks, big tech companies, and fintechs have been harnessing both mature technology and emerging technology to digitize the financial supply chain and trade finance workflows and thereby deliver financing down market. At the same time, alternative funders have been increasingly filling funding gaps.