At scale, you can't pay for coffee on a premium global blockchain. You'll need a peripheral financial ntwrk that settles on that blockchain.
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Do you have an impossibility proof that premium global blockchains can't pay for coffee at scale? Is innovation out of the question?
It's unlikely: all known varieties of Byzantine consensus have negative economies of computational & network resource scaling.
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Far more likely scaling on-chain coffee payment compromises security, so that blockchain is neither premium nor seamlessly global.
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Ok. This is an educated guess, an opinion. "can't" and "need" in original tweet don't reflect that.
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"For what we don't have an impossibility result tends to eventually happen" (attributed to
@el33th4xor I think) -
Most impossible things can't be math-proven impossible. You just see lemmings jumping over the same cliff, as with identity and micropmts.
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On the flip side, many things experts opinionated were impossible turned out to be possible, for example Bitcoin.
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Bitcoin is a breakthrough, but no expert thought it was impossible. If you are referring to BGP, it doesn't say BTC is impossible.
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"When I first heard about Bitcoin, I thought it was impossible."
@jgarzik "proven that decentralized consensus was impossible." Maxwell -
They weren't experts back then.
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What about unknown varieties? What about succinct proofs? https://hackernoon.com/zksnarks-and-blockchain-scalability-af85e350a93a?source=user_profile---------2 …-----------
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@nickszabo4 Re scale do you have a view on IOTA for simple transactions (I don't yet)? Lofty but unproven aspirations.Thanks. Twitter will use this to make your timeline better. UndoUndo
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