Blockchain: the answer to programmatic advertising’s woes?

Following on from our article on media’s perfect storm, we’ve been asked by a couple of clients what we think about blockchain. Is it the answer to the problems posed by programmatic advertising and the perils of automatic ad placements?
First of all, for those who don’t know what blockchain is, here’s a go at a very brief explanation. Blockchain was invented a decade ago, as a way of managing cryptocurrencies like Bitcoin. A blockchain is essentially an ever-growing seri