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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<yoleaux> Cryptology ePrint Archive: Report 2017/019
<kanzure> "SMART POOL: Practical Decentralized Pooled Mining" http://eprint.iacr.org/2017/019
<kanzure> "Bitcoin Private Key Locked Transactions" http://eprint.iacr.org/2016/1184
<kanzure> petertodd: when are you going to formalize/publish your probabilistic institutionalized fraud stuff
<kanzure> "Catena: preventing lies with bitcoin" http://eprint.iacr.org/2016/1062
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<adlai> this channel has the strangest mishmash of 'topic': bit sizes of satoshi cruft, mimble moon math, random paper drops... oops, i guess this belongs in #bitcoin.ninjas-meta
<sipa> haha
<adlai> "However, P2Pool is inefficient, increases the variance of miners' rewards, ..." < isn't this backwards?
<adlai> (from the SMART POOL PAPER)
<adiabat> perhaps relative to a normal trusted pool
<adiabat> not relative to solo mining...
* adlai reads on, for the sheer curiosity of why the smart pool adds an ethereum dependency to bitcoin
<kanzure> yeah i was wondering whether to mention the p2pool/variance stuff from http://gnusha.org/bitcoin-wizards/2015-12-10.log
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<adlai> "The caveat here is that Bitcoin miners will pay in Ether gas to execute <UNICODEGARBAGE> distributively"
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<adlai> "Cryptocurrencies like Bitcoin and Ethereum have the trusted setup where the first block in these networks are constructed and provided by Satoshi Nakamoto (for Bitcoin) and Ethereum Foundation (for Ethereum)." ... maybe i should stop reading and go to sleep.
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<adlai> in case ethereum forks^H^H^Hcompresses again, here are their pool scripts: http://dpaste.com/1NZJK8S http://dpaste.com/13Z9B93
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<gmaxwell> adlai: uh. no, thats a paramter, not a trusted setup.
<gmaxwell> dishonest configuration of it can't do anything.
<sipa> gmaxwell: but satoshi could have the genesis block produce a billion BTC assigned to him, and we wouldn't know, right??
<sipa> the genesis block is not verified!
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<midnightmagic> lol
<midnightmagic> A bookmark is trusted setup?
<gmaxwell> I dunno about ethereum but the bitcoin software regenerates the genesis block at start too.
<sipa> by that reasoning, every cryptographic algorithm has trusted setup, because you need to trust the authors of the paper that proposes it
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<midnightmagic> sipa: My laptop has a trusted setup when I open it up every afternoon.
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<midnightmagic> My rocking chair had a trusted setup when I sat down on it yesterday evening..
<sipa> <gmaxwell> That's enough SNARKing
<gmaxwell> well, if thats the worst anyone could complain about the paper it would be a good thing.
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<petertodd> kanzure: was working on it earlier this week; kept running into problems though :/ I've now got a pile of 20 odd pages of scribbled equations, probably 100% of them wrong :)
<petertodd> kanzure: nifty, sounds like Cantena is a worked out implementation of exactly the kind of bitcoin auditable logs I've been arguing for
<kanzure> alright
<petertodd> kanzure: though, the writeup has a lot of weirdness in it, like saying that the P2P network doesn't have enough capacity for Cantena... I mean, technically yes, but that's really missin the point :(
<petertodd> kanzure: have to read it more closely, but I think my single-use-seals are an improvement over Cantena, as you don't need bloom filters
<petertodd> kanzure: e.g. what I published here: https://petertodd.org/2016/commitments-and-single-use-seals
<petertodd> kanzure: also, Cantena doesn't appear to make any progress on proving the absense of statements - that is preventing double spends
<petertodd> kanzure: oh, and re: Cantena's op_return thing, I have prior art on them in unique bits from over 2 years ago: https://github.com/petertodd/uniquebits
<petertodd> kanzure: so my objection to Cantena would be, because it's relying on bloom filters it's insecure; single-use-seals are secure with only block headers
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<bsm117532> I really don't understand the motivation behind the "private key locked transactions" paper. When would you ever want to reveal a privkey? In all circumstances I can think of, proving posession of the privkey via a ECDSA signature or hash-locking is superior. A revealed privkey is useless. It's not private anymore.
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<stevenroose> bsm117532, what paper?
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<bsm117532> (21:31:17) kanzure: "Bitcoin Private Key Locked Transactions" http://eprint.iacr.org/2016/1184
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