Blockchain technology is going to change everything: the shipping industry, the financial system, government … in fact, what won’t it change? But enthusiasm for it mainly stems from a lack of knowledge and understanding. The blockchain is a solution in search of a problem.

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There are several oversimplifications to watch out, but still interesting.

Dessalines
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Databases solve nearly every storage problem, there isn’t many problems in computer science where they don’t apply.

Blockchains solve only one tiny problem: the double spend problem, or when you need data to show an ownership history, and you specifically don’t want to rely on a central authority. Its a strange edge case that doesn’t even exist for most money, credit, or transactions today.

@guojing
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You cant build a cryptocurrency without blockchain. So ita certainly more than a strange edge case.

@null_radix
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I agree; but what @dessalines@lemmy.ml says still holds true I think. Most transaction should probably use layer 2 solutions such as lightning network and only fall back to the blockchain in cases for dispute or settlement which should be a rather infrequent event compared to transacting.

@guojing
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Lightning network is a scam.

@null_radix
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ok, well then replace lightning with payment channels in general then. Why is lightning a scam?

@guojing
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Because you have to trust some huge, centralized nodes which can steal your money, or charge extra fees. So basically a bank.

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