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 We also want these methods to go via out of band methods. Thus, we want to be as independend on digital infrastructure as possible. The optimal case would be doing everything in your head, but this is not possible. (No, don't use Elon Musk brain chips!)

So we need to focus on the aspects of the #₿itcoin #timechain that are easiest to tranfer out of band.

I was thinking about the blocks themselves for example, as they only refresh every 10 minutes. Enough time to propagate and probably our best bet. You could also easily leave out data in order to make it even smaller. You could even prune the whole merkle root diagram except for the first levels and share a qr code for it.!

individual transactions might be smaller but the amount makes it unfeasible to effectively transfer them without digital infrastructure. And you also don't know how much ends up on chain so it is a wasteful thing to try and it is easy to fake if you have no node verifying it. With block hashes you immeadiatly have the proof of work, that makes it a bit less likely that someone misused that power.

are there other interesting aspects of the #timechain that can be transmitted easily decentralized and out of band (optical or something else)?
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