this post was submitted on 30 Sep 2025
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Blockchain is good if you want everyone to know who you send your money to.
Which sounds stupid, but if we used it more for things that aren't stupid money, perhaps we could find something where transparency and permanent immutable logs are a good thing. For currency those may even be bad things because privacy. Which Monero solves and that's actually another useful thing - ability to make untraceable payments remotely. Used to have to use cash for that.
My understanding of current blockchain technology is that it's only permanent so long as someone is online maintaining the block integrity. If enough machines go down, or if enough machines come up that refute it, then anyone can push an alternate history.
It assumes that the stakes are high enough for there to be a significant network online, yes. You could of course still compare your local history to the online one but by then the technology has failed its purpose.
The stakes may not be high for me but if it has value to someone, all I have to do is build my bot net and then hold their ledger ransom.