"Blockchain and Advertising Transparency" - As the digital ad industry has grown the ad fraud issue has grown to $16 billion and after 10 years the major executives in the industry say the problem continues to grow and there hasn’t been a complete solution just yet. For example, there was a bot farm that took millions of dollars of revenue from video advertisers and what it did was automatically open the same video over and over and each video view represented $0.05-$0.10 of revenue. So with many millions of automated views the farm took millions of dollars. Clearly, this is an untenable situation. But technology has come of age to solve it, and with the distributed ledger (the blockchain), one can create a tamper-proof record of where ad quality is high and where it is low. An explanation of this paradigm shift is the crux of this presentation.