sipa changed the topic of #bitcoin-wizards to: This channel is for discussing theoretical ideas with regard to cryptocurrencies, not about short-term Bitcoin development | http://bitcoin.ninja/ | This channel is logged. | For logs and more information, visit http://bitcoin.ninja
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<bitcoin-wizards1>
Does anybody have a link to Greg Maxwell’s simple ZKS idea based on just secure hashes? (It isn’t practical, just a simple way of explaining the core idea)
<Sentineo>
I was trying to understand how is hash rate calculated, and exactly how the Bitcoin wiki formula came to be. Hope I got the math correctly there.
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<Flash298>
Hello
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<waxwing>
so about that static ECDH eh. great idea.
<sipa>
waxwing: just saw the talk about that at 34C3 yesterday
<waxwing>
sipa, yeah but that's partly why i raise it: is the new discovery distinct? i think it may be? the golang implementation or something?
<waxwing>
to be honest, i don't know really what JWT even is :)
<waxwing>
but i guess my other question is, isn't static ECDH crazy dangerous and why even do it. i vaguely remember some response about "resource constrained" or something. guess no simple answers with such things.
<sipa>
waxwing: i believe the bignum squaring bug in openssl would also affect static-key ECDH
<sipa>
with this attack
<waxwing>
oh the one you found, right
<sipa>
i found one randonly... later more instances of it were discovered using static analysis
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<Taek>
nsh: DAGs in my opinion offer a lot of potential improvements to standard bitcoin consensus.
<Taek>
Mining fairness is probably the biggest. You can construct a DAG so that miners with worse network infrastructure don't experience as great a hit to revenue vs. Nakamoto consensus
<Taek>
The next biggest would probably be confirmation times. Because mining fairness is a lot better, you can reasonably bring the block time down to 30 seconds or less, and still have equal or better security vs. nakamoto consensus
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<Taek>
Ultimately you still want to wait for a bunch of confirmations, say like 10 minutes worth, but because the block time is less than 30 seconds, the variance on 10 minutes of confirmations is only going to be a minute or so
<Taek>
maybe a few minutes. But you won't ever be stuck waiting 3 hours for what's supposed to be 30 minutes worth of blocks
<Taek>
The other benefit worth mentioning I think is that it smooths out network performance. With Bitcoin, you get 2,000 txns in the space of a few seconds, and then nothing for 10 minutes. But with DAGs, the bursts are smaller and more frequent
<Taek>
I think that the reduction in bursty-ness is not such a huge benefit though, because it's mostly bootstrap time that's the bottleneck with regards to blockchain size right now, imo
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<contrapumpkin>
I'm talking about the ZKCP part it references about bitcoin
<contrapumpkin>
(apparently monero doesn't have scripting support so the usual atomic swap protocol won't work)
<contrapumpkin>
in general, doing nontrivial work for ZKCP seems tricky
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<kanzure>
.title
<yoleaux>
cryptography - Can you trustlessly trade Monero for Bitcoin? - Monero Stack Exchange
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<eck>
multisig support was only merged into monero master a week or two ago, so I don't know how well tested it is, but I did watch a youtube interview with one of the monero developers who said that was the last big missing piece to do cross-chain swaps
<eck>
actually the interview was with fluffypony who is in this room, perhaps he knows
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