The hype around Blockchain is expanding further as more and more use cases become apparent to the wider business community. Even though it started off as a decentralized substrate for a single virtual currency (Bitcoin), it soon became clear that the technology is applicable far beyond just one cryptocurrency and even beyond financial transactions altogether.
There are on-going attempts to bring Blockchain to the complex industry of online advertising. Nearly 40 percent of all ads in the world are delivered online on the Internet, and no modern company can neglect this massive medium, proven capable of promoting products and services more effectively than the traditional advertising channels.
Read more here: https://cointelegraph.com/news/how-blockchain-reshapes-online-advertising-trends