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ledger

Advertising’s Future Is Advertising Futures

Early on in my tenure reporting on the digital advertising space, I was fascinated by the concept of audience futures—enabling publishers to guarantee sales of audience segments that could be transacted programmatically. This seemed to be an evolution of both digital direct guaranteed sales and TV-buying, but unfortunately the market hasn't…

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What Is Blockchain?

Blockchain is commonly referred to as a ledger—a shared, decentralized database, made up of so-called “blocks,” which are just hashed records of transactions. In each block, which is permanent and can’t be altered after it’s logged, you have a timestamp and a link to an earlier block. That gives participants…

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