Advertisers across the board are after increased transparency in their digital campaigns, and mobile ad network Kiip is working to bring that to their clients by testing a simpler, less theoretical approach to recording campaign data in a shared, immutable ledger. eMarketer's Nicole Perrin spoke with Brian Wong, Kiip's co-founder and CEO, about the benefits of taking reporting to the blockchain. Wong was interviewed as part of eMarketer's August report, "Cleaning Up the Digital Media Supply Chain: What Will Move the Industry Toward Transparency and Optimization?"