Other then the scheduling piece, this seems like the kind of problem a block chain would _actually solve_. I know we're all tired of "The banks/shipping industr

Other then the scheduling piece, this seems like the kind of problem a block chain would _actually solve_. I know we're all tired of "The banks/shipping industry/insurance need to use webscale blockchain!!!!" But a signed message that's publicly audited as authentic and stored non-centrally seems perfect for canaries....