Anheuser-Busch, AT&T, Kellogg, Bayer and Nestle are a few of the advertisers using blockchain to dig deeper into the economics of online advertising. With blockchain, they can learn if real people or bots are viewing their ads and how much of their digital ad spending is going to middlemen. Blockchain, touted as a secure and transparent way to keep transaction records, is booming, and now the advertising world — rife with less-than-transparent dealings — hopes that blockchain can help cut down on wasted dollars. Continue reading Major Advertisers Use Blockchain to Trim Digital Ad Spending