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Blockchain solves this (not kidding).

• alangibson 5y ago
  I'm going to try to take this comment seriously, difficult as it may be. How does Blockchain solve data interoperability in this case? Does the Bitcoin protocol have special support for cannabis crop lot numbers I missed? (I said try...)
  • Spivak 5y ago
    If you need a distributed database of any kind which can be modeled as an append-only log (i.e. stuff you might use Kafka for) then a private blockchain might not be a terrible idea. The sticking point is resolving conflicts because "longest chain" is probably not what you want.
• openthc 5y ago
  Right, and we all still need to agreed to the model of the data to put on said chain (this is the step we're on). Also, blockchain has the all-or-nothing requirement; our model does not.
• Spivak 5y ago
  Blockchain is definitely not going going to be a good solution to this. We're talking about multiple businesses that have a business need to be able to share data among themselves. The only trust that's needed in a business environment governed by legal forces is legal signature with an optional digital signature to verify the "ink" one. You need a document format that each party can produce and consume, a method of sending/receiving them (something email-ish), and optionally an API to access them. A distributed database is potentially a way to implement this idea: you get a data format, a method of transferring data, and an access protocol but that's so much more complicated than just a normal web API and even if you went this route the model for consensus is off in the case of conflicts.
• DelightOne 5y ago
  If one has a hammer one tends to look for nails.