How Blockchain Will Impact Marketing and Advertising in 2019 & Beyond?

Blockchain can make advertising more transparent. It can reduce ad fraud, which is a larger problem than many are aware.

Blockchain can help maintain better management of display advertising. Blockchain allows privatizing our own data and has the potential to allow individuals to control how their data is used in regards to ad engagement

Some of these startups are Blockstack, Brave and BAT that aim to decentralize and improve ad delivery, privacy and data exchange.