Blockchain technology has changed the way many individuals and entities communicate. The technology is essentially a digital source of information maintained by secure computer servers, deterring hackers and cybercriminals from accessing or stealing the information. Blockchain is critical for crypto transactions, but it has numerous applications in other industries as well, including the advertising industry. In this category, Adweek has gathered content that discusses how blockchain technology affects big brands and how they have leveraged the technology for future endeavors.

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Walmart Prescriptions Are Heading to Blockchain

The retailer and its partners are tracking drugs in the U.S.

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Facebook Is Relaxing Its Policies on Ads for Blockchain Technology and Cryptocurrency

Promoting binary options and initial coin offerings is still prohibited.

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Albertsons Is Putting Lettuce on the Blockchain

It's the latest retailer to join IBM’s Food Trust to track products.

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Blockchain Consortium AdLedger Adds Publicis Media and The Hershey Company to Growing Roster

The technology is 'still one of the shiny objects in the room.'

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What JPMorgan’s New Cryptocurrency Means for Banking and Blockchain

JPM Coin could create new opportunities—and new hype.

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4 Ways Blockchain Can Address Some of Marketing’s Biggest Challenges

It can be used to solve issues that arise with data portability, the ad-tech tax, GDPR and more.

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How Google’s Cryptocurrency Ban Rollbacks Are a Positive Sign for the Industry

It'll become an important part of marketing down the line.

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MediaMath Promises 100% Viewable, Fraud-Free Impressions Across Mobile, Online and OOH

The DSP released a beta version of its Guaranteed Viewable Market today.

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What Blockchain Will Mean for Advertisers and Publishers

Defining what it is and what it can do.

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Pras Michel Wants His Blockchain-Powered Phone to Help Users Own Their Data

The Fugees co-founder is getting ready for the Blacture M1, expected later this year.

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Blockchain Isn’t Just a Buzzword Anymore. How Advertisers Are Testing Its Applications

Dunkin', American Express, Anheuser-Busch InBev among companies adopting the tech.