Comcast made an intriguing move in the addressable advertising space while Faultline Online Reporter was taking its festive break, launching the next phase of Blockgraph – a new blockchain-based buzzword doing the rounds which many may be unfamiliar with. Despite some of our small protestations doubting the relevance of blockchain technologies in the digital entertainment sector today, when the world’s largest cable TV company and now European powerhouse via its Sky acquisition reveals a blockchain TV launch, it’s certainly worth digging into. The premise of Blockgraph, as with all blockchain platforms, is to create a secure path for data and information sharing, but Blockgraph is built specifically for the TV industry, described by Comcast Cable Advertising as designed to become…