B2C marketers recently realized that they have little understanding of their digital advertising supply chain — how it works and where their money is going. And when they pushed for greater transparency, they met resistance: Honesty was not in the best interests of many partners and suppliers. Read this report to learn how blockchain technology, applied to the financial aspects of media buying, will uncover which suppliers and partners truly add value to the ad-buying process and which can be jettisoned.