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There is a lot of tech that has to be created first. Specifically you need

  • An object that can store blockchain data in a small form. Probably some kind of holographic technology: https://en.wikipedia.org/wiki/Holographic_data_storage

  • An inexpensive reader that could be used by a phone or computer. The client would need random access to the blockchain, so this would be tough. We are probably a decade or more away from this tech.

That's basically all you need. So if you are IBM you work on the technology yourself, but if you are just the eventual founder of Blockchains you probably work on the the design and business side of things, register some patents and then wait for the tech to exist.

I guess that if you wanted to you could print USB sticks with blockchains on them and people could plug them into their computers. That would be a fairly weak MVP but maybe it is enough. I mean, in today's ICO market that must be worth $50 million.

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