I mean, a great example is medical records. I know because the concept if using hash blocks for history predates Bitcoin. Personally I think both the hype and

I mean, a great example is medical records. I know because the concept if using hash blocks for history predates Bitcoin. Personally I think both the hype and the anti-hype exist because we finally gave this family of data structures a snappy name. Also, I found the BG solution he was referring to and it's rather soft.