Advocates of blockchain in broadcasting have had little to cheer about over the last year except for one significant development, the commitment by Comcast to the technology with the launch of its Blockgraph advanced advertising platform in December 2018. At the time of the launch we commented that blockchain was much better suited for TV advertising than some of the other proposed use cases in video services, such as token-based payment mechanisms for subscription OTT services, and we have seen little to change that view since. In other areas too, including use of blockchain for ultra-local P2P sharing of content to alleviate consumption of CDN capacity and bandwidth in core networks, the technology is still largely on the drawing board…