insights Can Blockchain Solve Some of Marketing’s Biggest Problems? 9 December, 2019 By Greg Paull, Co-founder & Principal, R3 This article was first published by the World Federation of Advertisers on December 8, 2019. The lack of ... Agency Review Marketing Effectiveness Audit Global | blockchain marketing innovation Can Blockchain Solve Some of Marketing’s Biggest Problems?R3 Marketing2019-12-19T15:51:11+08:00