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Rusty Russell
rusty@rusty.ozlabs.org
npub179e9...lz4s
Lead Core Lightning, Standards Wrangler, Bitcoin Script Restoration ponderer, coder. Full time employed on Free and Open Source Software since 1998. Joyous hacking with others for over 25 years.
Official Bitcoin Twitter Self-Worth Chart $70k: your hairline recedes. $60k: gangrene develops. $50k: you lose the ability to make coherent sentences, and all you can say to your panicked loved ones is "Bitcoin is digital energy". $150k: erectile dysfunction vanishes. $250k: your wife returns with the kids, saying she made a terrible mistake. $500k: your long-dead father rises from the grave, tells you that he was wrong and you were right, and he's proud of you.
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Rusty Russell 2 weeks ago
So I'm leaving Blockstream at the end of the month, to try to start up Century Metadata. A non -profit to store and serve a small amount of encrypted data for 100 years, for a small one -time payment. Lots of fun problems in doing this, only half of then technical. I'll be talking about it at BTC++ in Vienna, and I'll also be attending the Oslo Freedom Forum just afterwards.
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Rusty Russell 0 months ago
Don't support things you don't want to see more of.
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Rusty Russell 1 month ago
Weekly summary: I heard Iran is going to use Quantum Black is going to crash Bitcoin!
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Rusty Russell 1 month ago
Claude is really happy to write more code. This can be a super-power! But it can also mean repetition, nasty workarounds, and unreviewable code :( For the BOLT12 payer proofs, I asked it to take my implementation, produce test vectors then compare against Vincenzo's LDK implementation. There was a bug in the spec around field ordering which this found, and it proceeded to fix my code, adding another complex pass to reorder the fields. Instead I asked it to change the Rust code, and indeed it was much simpler there too. If I hadn't caught this, we would and been stuck with a very weird spec and a lot of gratuitous code in every codebase. So now I need to start emphasizing the joy of simplicity, I guess.
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Rusty Russell 1 month ago
I've been through tech hype cycles before. They always have a grain of truth in them (otherwise they're trivially refuted) but they don't always work out. I have been through three VR waves, for example. I can't tell where Quantum Computing will land, though it has all the signs of needing a few more decades of occasional hype cycles. But I *can* tell that all the proposed mitigating signature schemes for Bitcoin suck hard: they're technically impressive because they're 10x better than I expected, but they're still 10x worse than what we have now. This means two things: I applaud and support the continuing research. And I won't support a soft fork any new cryptographic schemes until the someone demonstrates an extant QC that can factor faster than a classical one.
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Rusty Russell 1 month ago
Americans trying to get back to the moon and missed.
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Rusty Russell 1 month ago
This one doesn't keep getting disconnected from LND and Eclair, because we disabled the padding feature which made all messages the same length on the wire which was to be a release feature ๐Ÿ˜” It was an obscure part of the spec, but LND have already fixed theirs for v21: kudos! I submitted PRs to Eclair and Phoenix (the latter mainly Claude, but it's a trivial change). I still have hope for a workaround, but we'll see if I can get it before Sangbida as Release Captain says No! View quoted note โ†’
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Rusty Russell 2 months ago
"Also Bitcoin Core, but in blue" Send $$ NOW for my new project!
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Rusty Russell 2 months ago
I keep hearing about all the billions left on the sidelines, which will come rushing into Bitcoin when some legislative or regulatory event occurs. Here's some history: - Bitcoin futures ETFs. October 2021, price $61k - Bitcoin spot ETFs. January 2024, price $42k - March 2026, price $70k Now, maybe it's still coming, but at this point you might want to start doubting this narrative.
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