--- Log opened Tue Jul 07 00:00:03 2015 00:01 -!- Mably [~Mably@unaffiliated/mably] has quit [Ping timeout: 240 seconds] 00:01 -!- Guest96 [~textual@220-244-79-59.tpgi.com.au] has quit [Quit: Textual IRC Client: www.textualapp.com] 00:05 -!- AaronvanW [~ewout@x55b286f4.dyn.telefonica.de] has joined #bitcoin-wizards 00:05 -!- AaronvanW [~ewout@x55b286f4.dyn.telefonica.de] has quit [Changing host] 00:05 -!- AaronvanW [~ewout@unaffiliated/aaronvanw] has joined #bitcoin-wizards 00:28 -!- sy5error [~sy5error@unaffiliated/sy5error] has quit [Remote host closed the connection] 00:31 -!- FranzKafka [~FranzKafk@unaffiliated/franzkafka] has quit [] 00:32 -!- drwin [~drwin@88-103-255-166.jes.cz] has joined #bitcoin-wizards 00:33 -!- jtimon [~quassel@69.29.134.37.dynamic.jazztel.es] has joined #bitcoin-wizards 00:37 -!- c-cex-yuriy [uid76808@gateway/web/irccloud.com/x-jcehxmauticknfbh] has joined #bitcoin-wizards 00:37 -!- rubensayshi [~ruben@91.206.81.13] has joined #bitcoin-wizards 00:43 -!- bendavenport [~bpd@c-50-131-42-132.hsd1.ca.comcast.net] has quit [Quit: bendavenport] 00:44 -!- sparetire_ [~sparetire@unaffiliated/sparetire] has quit [Quit: sparetire_] 00:53 -!- rustyn [~rustyn@unaffiliated/rustyn] has quit [] 00:58 -!- orperelman [~orperelma@bzq-109-67-207-175.red.bezeqint.net] has joined #bitcoin-wizards 01:01 -!- ThomasV [~ThomasV@unaffiliated/thomasv] has quit [Quit: Quitte] 01:08 -!- Mably [56401ec5@gateway/web/freenode/ip.86.64.30.197] has joined #bitcoin-wizards 01:08 -!- user7779078 [~user77790@ool-4a5987f1.dyn.optonline.net] has joined #bitcoin-wizards 01:09 -!- kisspunch [~za3k@deadtree.xen.prgmr.com] has joined #bitcoin-wizards 01:09 -!- kisspunch [~za3k@deadtree.xen.prgmr.com] has left #bitcoin-wizards [] 01:13 -!- AaronvanW [~ewout@unaffiliated/aaronvanw] has quit [Remote host closed the connection] 01:13 -!- user7779078 [~user77790@ool-4a5987f1.dyn.optonline.net] has quit [Ping timeout: 264 seconds] 01:15 -!- paveljanik [~paveljani@unaffiliated/paveljanik] has quit [Quit: Leaving] 01:19 -!- AaronvanW [~ewout@unaffiliated/aaronvanw] has joined #bitcoin-wizards 01:25 -!- TheLast [~vasvata@58-6-171-98.dyn.iinet.net.au] has joined #bitcoin-wizards 01:26 < TheLast> why are you allowed to send transactions without any fee? 01:28 -!- p15x_ [~p15x@64.145.91.109] has joined #bitcoin-wizards 01:28 -!- p15x [~p15x@64.145.91.119] has quit [Ping timeout: 265 seconds] 01:29 -!- erasmospunk [~erasmospu@46.246.227.113.dsl.dyn.forthnet.gr] has joined #bitcoin-wizards 01:29 < Adlai> fees are a DDoS resistence mechanism. mining is [currently] subsidized by inflation. 01:29 -!- FranzKafka [~FranzKafk@unaffiliated/franzkafka] has joined #bitcoin-wizards 01:29 < TheLast> exactly, so why does the network allow you to send transactions without paying any fee? 01:30 < TheLast> should these not be blocked entirely to prevent spam attacks 01:31 < TheLast> like the one we're currently seeing 01:32 < Adlai> "spam" is fiction. there is a price for priority insertion to the ledger, and it adapts based on the queue size and how much others are willing to pay. 01:33 < gmaxwell> TheLast: those attackers are paying fees. very tiny fees, but normally transactions pay very tiny fees. 01:33 -!- Madars [~null@unaffiliated/madars] has quit [Ping timeout: 252 seconds] 01:34 -!- erasmospunk [~erasmospu@46.246.227.113.dsl.dyn.forthnet.gr] has quit [Ping timeout: 252 seconds] 01:37 -!- FranzKafka [~FranzKafk@unaffiliated/franzkafka] has quit [] 01:37 -!- Madars [~null@unaffiliated/madars] has joined #bitcoin-wizards 01:41 -!- Tenhi [~tenhi@178.18.241.180] has joined #bitcoin-wizards 01:45 -!- ThomasV [~ThomasV@unaffiliated/thomasv] has joined #bitcoin-wizards 01:52 -!- TheLast [~vasvata@58-6-171-98.dyn.iinet.net.au] has left #bitcoin-wizards [] 01:52 -!- TheLast [~vasvata@58-6-171-98.dyn.iinet.net.au] has joined #bitcoin-wizards 01:54 -!- Zooko-phone [~androirc@c-67-190-6-198.hsd1.co.comcast.net] has quit [Ping timeout: 246 seconds] 01:56 < gmaxwell> Zerocash circuits published http://www.metzdowd.com/pipermail/cryptography/2015-July/025977.html 02:00 -!- Zooko-phone [~androirc@c-67-190-6-198.hsd1.co.comcast.net] has joined #bitcoin-wizards 02:07 -!- NewLiberty [~NewLibert@76-255-129-88.lightspeed.irvnca.sbcglobal.net] has joined #bitcoin-wizards 02:13 < TheLast> gmaxwell: do you think these spam attacks are bad for Bitcoin? 02:15 < gmaxwell> TheLast: I don't think most people notice them at all, due to reasonably prioritization policies in some miners most txn go though without much delay. 02:15 -!- CodeShark_ [~androirc@cpe-76-167-237-202.san.res.rr.com] has joined #bitcoin-wizards 02:16 < gmaxwell> AFAICT it's some promotion stunt to raise attention for some scammy website or something, who knows, who cares. 02:16 < stonecoldpat> TheLast: considering these spam attacks and network forks, the price of bitcoin remains unaffected (has in fact gone up) - so most users dont really care 02:25 -!- dEBRUYNE [~dEBRUYNE@239-196-ftth.onsbrabantnet.nl] has joined #bitcoin-wizards 02:28 -!- wallet42 [~wallet42@athedsl-354694.home.otenet.gr] has quit [Quit: Leaving.] 02:33 -!- erasmospunk [~erasmospu@46.246.227.113.dsl.dyn.forthnet.gr] has joined #bitcoin-wizards 02:36 < CodeShark_> stonecoldpat: I don't think most users aren't even really aware. Did anyone even cover these things in the popular press? 02:37 < gmaxwell> CodeShark_: if the attacks mattered people would be aware of them without coverage! 02:37 < CodeShark_> *are 02:38 -!- rht__ [uid86914@gateway/web/irccloud.com/x-drgqnhubaonzxddu] has quit [Quit: Connection closed for inactivity] 02:38 < CodeShark_> gmaxwell: did you compile that dropped tx list? 02:39 < gmaxwell> CodeShark_: still reindexing; :( lost a couple hours away from power, it'll be done in the morning. 02:39 < gmaxwell> speaking of that, goodnight 02:39 < CodeShark_> goodnight 02:45 < stonecoldpat> night, and CodeShark_: I dont think there is anything in popular press which is probably a good thing (boring news) 02:46 < CodeShark> well, at least some people surely noticed some unusually deep reorgs 02:57 -!- user7779078 [~user77790@ool-4a5987f1.dyn.optonline.net] has joined #bitcoin-wizards 02:59 -!- TheLast [~vasvata@58-6-171-98.dyn.iinet.net.au] has quit [Quit: Leaving.] 03:01 -!- AaronvanW [~ewout@unaffiliated/aaronvanw] has quit [Ping timeout: 246 seconds] 03:02 -!- user7779078 [~user77790@ool-4a5987f1.dyn.optonline.net] has quit [Ping timeout: 264 seconds] 03:04 -!- orperelman [~orperelma@bzq-109-67-207-175.red.bezeqint.net] has quit [Ping timeout: 246 seconds] 03:06 -!- orperelman [~orperelma@bzq-109-67-207-175.red.bezeqint.net] has joined #bitcoin-wizards 03:14 -!- AaronvanW [~ewout@unaffiliated/aaronvanw] has joined #bitcoin-wizards 03:29 -!- metamarc [~snizysnaz@unaffiliated/agorist000] has quit [Read error: Connection reset by peer] 03:30 -!- metamarc [~snizysnaz@unaffiliated/agorist000] has joined #bitcoin-wizards 03:38 -!- waxwing [~waxwing@62.205.214.125] has quit [Read error: Connection reset by peer] 03:39 -!- JackH [~Jack@host86-161-51-131.range86-161.btcentralplus.com] has joined #bitcoin-wizards 03:39 < JackH> is the only available Bitcoin core version 10? unless I compile myself? For ubuntu 03:39 < JackH> only = latest 03:40 < CodeShark> try #bitcoin 03:40 -!- waxwing [~waxwing@62.205.214.125] has joined #bitcoin-wizards 03:48 -!- Starduster_ [~sd@unaffiliated/starduster] has joined #bitcoin-wizards 03:52 -!- Starduster [~sd@unaffiliated/starduster] has quit [Ping timeout: 256 seconds] 04:02 -!- ThomasV [~ThomasV@unaffiliated/thomasv] has quit [Ping timeout: 255 seconds] 04:07 -!- paveljanik [~paveljani@unaffiliated/paveljanik] has joined #bitcoin-wizards 04:10 -!- Starduster_ is now known as Starduster 04:15 -!- orperelman [~orperelma@bzq-109-67-207-175.red.bezeqint.net] has quit [Ping timeout: 246 seconds] 04:30 -!- Quanttek [~quassel@ip1f10af17.dynamic.kabel-deutschland.de] has joined #bitcoin-wizards 04:35 -!- Oizopower [uid19103@gateway/web/irccloud.com/x-qstyhtbyghkdofep] has joined #bitcoin-wizards 04:43 -!- p15x [~p15x@114.248.220.95] has joined #bitcoin-wizards 04:43 -!- p15x_ [~p15x@64.145.91.109] has quit [Ping timeout: 252 seconds] 04:44 -!- 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ZZZzzz…] 11:38 -!- shen_noe [~shen_noe@wired094.math.utah.edu] has joined #bitcoin-wizards 11:39 -!- davi [~davi@gnu/davi] has quit [Ping timeout: 246 seconds] 11:39 -!- ThomasV [~ThomasV@unaffiliated/thomasv] has quit [Quit: Quitte] 11:40 -!- merlincorey [merlin@69.42.217.140] has quit [Changing host] 11:40 -!- merlincorey [merlin@nginx/adept/merlincorey] has joined #bitcoin-wizards 11:40 -!- dEBRUYNE [~dEBRUYNE@239-196-ftth.onsbrabantnet.nl] has quit [Ping timeout: 265 seconds] 11:41 -!- HeavyCocaineUser [446a9f30@gateway/web/cgi-irc/kiwiirc.com/ip.68.106.159.48] has joined #bitcoin-wizards 11:41 -!- mjerr [~mjerr@p578EB7BE.dip0.t-ipconnect.de] has joined #bitcoin-wizards 11:42 -!- Giszmo [~leo@pc-185-201-214-201.cm.vtr.net] has joined #bitcoin-wizards 11:43 -!- gielbier [~giel@f142219.upc-f.chello.nl] has joined #bitcoin-wizards 11:43 -!- HeavyCocaineUser [446a9f30@gateway/web/cgi-irc/kiwiirc.com/ip.68.106.159.48] has quit [Client Quit] 11:48 -!- bi_fa_fu [~textual@ool-45706ffa.dyn.optonline.net] has joined #bitcoin-wizards 11:49 -!- antgreen [~user@209.171.88.23] has joined #bitcoin-wizards 11:50 -!- Xh1pher [~Xh1pher@pD9E3A97A.dip0.t-ipconnect.de] has quit [Read error: Connection reset by peer] 12:02 -!- mjerr [~mjerr@p578EB7BE.dip0.t-ipconnect.de] has quit [Ping timeout: 276 seconds] 12:04 -!- antgreen` [~user@209.171.88.238] has joined #bitcoin-wizards 12:04 -!- chmod755 [~chmod755@unaffiliated/chmod755] has joined #bitcoin-wizards 12:05 -!- AaronvanW [~ewout@unaffiliated/aaronvanw] has joined #bitcoin-wizards 12:06 -!- antgreen [~user@209.171.88.23] has quit [Ping timeout: 265 seconds] 12:11 -!- gielbier [~giel@f142219.upc-f.chello.nl] has quit [Ping timeout: 265 seconds] 12:11 -!- btcdrak [uid52049@gateway/web/irccloud.com/x-qvhcxtlajcezomay] has quit [Quit: Connection closed for inactivity] 12:12 < amiller> https://eprint.iacr.org/2015/430 Fast and Tradeoff-Resilient Memory-Hard Functions for Cryptocurrencies and Password Hashing 12:12 < amiller> i don't think this has been brought up here before 12:15 < nsh> BrainOverfl0w mentioned it in may and I found it again the other week looking into pebbling to understand spacecoin security 12:16 < amiller> hm 12:18 -!- wallet42 [~wallet42@ppp141255031130.access.hol.gr] has joined #bitcoin-wizards 12:18 < nsh> actually, no, i'm thinking of another paper 12:18 < zooko> There's a discussion about this topic on, um, I think on Perry's Metzdowd crypto list, right now. 12:18 < zooko> Bill Cox 12:18 < zooko> and Solar Designer 12:19 -!- dEBRUYNE [~dEBRUYNE@239-196-ftth.onsbrabantnet.nl] has joined #bitcoin-wizards 12:19 < nsh> .title http://www.metzdowd.com/pipermail/cryptography/2015-July/025971.html 12:19 < yoleaux> [Cryptography] Are Momentum and Cuckoo Cycle PoW algorithms broken? 12:20 < nsh> (cc tromp_) 12:21 < amiller> zooko, i don't see any discussion, just the post from bill cox... and it doesn't mention that paper 12:21 < nsh> (same) 12:22 < zooko> Sorry . Here it is: 12:23 -!- gielbier [~giel@f142219.upc-f.chello.nl] has joined #bitcoin-wizards 12:23 < zooko> http://thread.gmane.org/gmane.comp.security.phc/3104 12:30 -!- ThomasV [~ThomasV@unaffiliated/thomasv] has joined #bitcoin-wizards 12:31 -!- orperelman [~orperelma@bzq-109-67-207-175.red.bezeqint.net] has quit [Ping timeout: 240 seconds] 12:31 -!- gielbier [~giel@f142219.upc-f.chello.nl] has quit [Ping timeout: 255 seconds] 12:35 < zooko> and http://thread.gmane.org/gmane.comp.security.phc/3123 12:36 -!- afk11 [~thomas@gateway/vpn/privateinternetaccess/afk11] has quit [Ping timeout: 264 seconds] 12:41 -!- davi [~davi@gnu/davi] has joined #bitcoin-wizards 12:42 -!- bi_fa_fu [~textual@ool-45706ffa.dyn.optonline.net] has quit [Quit: My Mac has gone to sleep. ZZZzzz…] 12:44 -!- davi__ [~davi@2001:4b98:dc0:51:216:3eff:feae:792] has joined #bitcoin-wizards 12:46 -!- davi [~davi@gnu/davi] has quit [Ping timeout: 246 seconds] 12:49 -!- bi_fa_fu [~textual@ool-45706ffa.dyn.optonline.net] has joined #bitcoin-wizards 12:53 -!- davi__ [~davi@2001:4b98:dc0:51:216:3eff:feae:792] has quit [Ping timeout: 256 seconds] 12:53 -!- kerneloops [~Tee@cpe-76-174-180-4.socal.res.rr.com] has joined #bitcoin-wizards 12:54 -!- priidu [~priidu@unaffiliated/priidu] has joined #bitcoin-wizards 12:57 -!- jtrag [~jtrag@74.222.117.243] has quit [Read error: Connection reset by peer] 12:58 -!- gielbier [~giel@f142219.upc-f.chello.nl] has joined #bitcoin-wizards 12:58 -!- jtrag [~jtrag@74.222.117.243] has joined #bitcoin-wizards 12:59 -!- jtrag [~jtrag@74.222.117.243] has quit [Client Quit] 12:59 -!- p15x_ [~p15x@64.145.91.139] has joined #bitcoin-wizards 13:00 -!- p15x [~p15x@64.145.91.17] has quit [Ping timeout: 244 seconds] 13:00 -!- kerneloops [~Tee@cpe-76-174-180-4.socal.res.rr.com] has quit [Quit: Leaving] 13:01 -!- kerneloops [~Tee@cpe-76-174-180-4.socal.res.rr.com] has joined #bitcoin-wizards 13:05 -!- bi_fa_fu [~textual@ool-45706ffa.dyn.optonline.net] has quit [Quit: Textual IRC Client: www.textualapp.com] 13:10 -!- drwin [~drwin@88-103-255-166.jes.cz] has quit [] 13:11 -!- b_lumenkraft [~b_lumenkr@unaffiliated/b-lumenkraft/x-4457406] has quit [Quit: b_lumenkraft] 13:12 -!- belcher [~belcher-s@unaffiliated/belcher] has joined #bitcoin-wizards 13:15 -!- wallet42 [~wallet42@ppp141255031130.access.hol.gr] has quit [Quit: Leaving.] 13:16 -!- SubCreative [~SubCreati@2601:601:400:1f04:74:a3b6:4c7e:6e92] has joined #bitcoin-wizards 13:16 -!- SubCreative [~SubCreati@2601:601:400:1f04:74:a3b6:4c7e:6e92] has quit [Changing host] 13:16 -!- SubCreative [~SubCreati@unaffiliated/cannacoin] has joined #bitcoin-wizards 13:18 -!- zefiris [69bb0b1a@gateway/web/freenode/ip.105.187.11.26] has joined #bitcoin-wizards 13:20 -!- wallet42 [~wallet42@ppp141255031130.access.hol.gr] has joined #bitcoin-wizards 13:20 -!- Sub|afk [~SubCreati@2601:601:400:1f04:65f2:1ed9:8cd5:b423] has quit [Ping timeout: 246 seconds] 13:21 -!- bramc [~bram@38.99.42.130] has joined #bitcoin-wizards 13:23 -!- blackwraith [~priidu@unaffiliated/priidu] has joined #bitcoin-wizards 13:24 -!- SubCreative [~SubCreati@unaffiliated/cannacoin] has quit [Ping timeout: 248 seconds] 13:24 -!- gielbier [~giel@f142219.upc-f.chello.nl] has quit [Ping timeout: 244 seconds] 13:25 -!- priidu [~priidu@unaffiliated/priidu] has quit [Ping timeout: 256 seconds] 13:26 -!- SubCreative [~SubCreati@unaffiliated/cannacoin] has joined #bitcoin-wizards 13:26 -!- Giszmo [~leo@pc-185-201-214-201.cm.vtr.net] has quit [Quit: Leaving.] 13:29 < zooko> http://thread.gmane.org/gmane.comp.security.phc/3104/focus=3126 13:30 -!- jae_ [~jae@204.14.159.153] has quit [Remote host closed the connection] 13:35 -!- bblue [~circuser-@184-23-28-98.dsl.dynamic.fusionbroadband.com] has joined #bitcoin-wizards 13:35 < bramc> zooko, Password hashing schemes aren't proof of work schemes 13:36 -!- kerneloops [~Tee@cpe-76-174-180-4.socal.res.rr.com] has quit [Quit: I rage quit!] 13:36 < bramc> Password hashing is supposed to be expensive to verify. Proof of work is supposed to be cheap to verify. 13:36 -!- kerneloops [~Tee@cpe-76-174-180-4.socal.res.rr.com] has joined #bitcoin-wizards 13:37 < zooko> bramc: that's what that link is about. 13:38 -!- samson_ [~samson_@unaffiliated/samson-/x-7479750] has joined #bitcoin-wizards 13:40 -!- Giszmo [~leo@pc-185-201-214-201.cm.vtr.net] has joined #bitcoin-wizards 13:41 -!- starsoccer [~starsocce@unaffiliated/starsoccer] has quit [Read error: Connection reset by peer] 13:42 -!- starsoccer [~starsocce@ns372404.ip-94-23-252.eu] has joined #bitcoin-wizards 13:42 < gmaxwell> zooko: bleh. I think that whole discussion is OT for PHC. A point you may be missing there is that an ideal consensus POW function is progress free-- progress gives advantages to centeralized attackers; so thats an extra consideration around a single run of the algorithim taking a long time. 13:42 -!- starsoccer is now known as Guest27290 13:44 -!- gielbier [~giel@dhcp-077-251-148-214.chello.nl] has joined #bitcoin-wizards 13:44 -!- Guest27290 [~starsocce@ns372404.ip-94-23-252.eu] has quit [Changing host] 13:44 -!- Guest27290 [~starsocce@unaffiliated/starsoccer] has joined #bitcoin-wizards 13:44 -!- Guest27290 is now known as starsoccer 13:44 -!- starsoccer is now known as Starsoccer 13:45 < zooko> gmaxwell: yeah, that's a very good point. 13:49 -!- gielbier [~giel@dhcp-077-251-148-214.chello.nl] has quit [Ping timeout: 248 seconds] 13:50 -!- jae_ [~jae@204.14.159.153] has joined #bitcoin-wizards 13:56 < pigeons> what is an advantage of "memory hardness"? 13:56 < zooko> Posted a further extension of the talking-to-myself-off-topic thread on PHC… 13:56 < bramc> pigeons, Memory is more commodity than CPU. A memory hard problem might be more resistant to custom chips outperforming commodity ones 13:57 < bramc> Whether that's a real benefit is a different discussion 13:57 -!- gielbier [~giel@dhcp-077-251-148-214.chello.nl] has joined #bitcoin-wizards 13:58 < nsh> the main advantage is advancing the state of understanding of the hardness of making things hard 13:58 < pigeons> yeah i think i saw some info on "outperforming" being arguable considering energy use 13:59 -!- eudoxia [~eudoxia@r167-57-121-146.dialup.adsl.anteldata.net.uy] has joined #bitcoin-wizards 13:59 -!- polyclef [~jwilkins@199.101.130.204] has joined #bitcoin-wizards 13:59 < zooko> Oh by the way, we did a thing: https://leastauthority.com/blog/least_authority_performs_incentive_analysis_for_ethereum.html 14:01 < zooko> Hiya polyclef! 14:01 -!- shen_noe [~shen_noe@wired094.math.utah.edu] has quit [Quit: Leaving] 14:04 -!- jtimon [~quassel@69.29.134.37.dynamic.jazztel.es] has quit [Remote host closed the connection] 14:04 -!- hashtagg_ [~hashtag@cpe-98-157-219-44.ma.res.rr.com] has quit [Ping timeout: 244 seconds] 14:06 -!- bramc [~bram@38.99.42.130] has quit [Quit: This computer has gone to sleep] 14:07 < fluffypony> lol 14:08 < polyclef> hey zooko! 14:10 -!- bramc [~bram@38.99.42.130] has joined #bitcoin-wizards 14:15 < Luke-Jr> pigeons: basically memory-hard aims for "RAM is the ASIC" 14:20 -!- p15x [~p15x@61.149.242.255] has joined #bitcoin-wizards 14:21 < amiller> the distinction between memory-hard and memory-bound is important here too 14:21 -!- p15x_ [~p15x@64.145.91.139] has quit [Ping timeout: 248 seconds] 14:21 < bramc> I thought ethereum was a cow system 14:22 < fluffypony> it is 14:22 < amiller> bramc, ethereum is so far a memory-throughput-bound PoW system, with plans to switch to filet mignon in a year or so 14:25 < bramc> It seems like the latest ethereum proof of work involves having a somewhat expensive to calculate data set which you reuse a lot 14:26 < bramc> The idea being that you take a seed, hash it to find out which indices you need, look up those indices, and hash them together. 14:29 < bramc> er, actually it doesn't decide which things to hash together up front but pulls them in one at a time after hashing the last one 14:30 < bramc> It look annoyingly expensive to verify, basically requiring 32 megabytes of memory to run the verification process 14:31 < amiller> yes it requires 32MB of memory to verify 14:32 < amiller> they just endure that verification expense 14:32 -!- shen_noe [~shen_noe@wired094.math.utah.edu] has joined #bitcoin-wizards 14:34 -!- antgreen` [~user@209.171.88.238] has quit [Ping timeout: 244 seconds] 14:35 -!- jwilkins [~jwilkins@wilkins2.static.monkeybrains.net] has joined #bitcoin-wizards 14:35 -!- chmod755 [~chmod755@unaffiliated/chmod755] has quit [Quit: Ex-Chat] 14:36 -!- Quanttek [~quassel@ip1f10af17.dynamic.kabel-deutschland.de] has quit [Ping timeout: 264 seconds] 14:36 -!- polyclef [~jwilkins@199.101.130.204] has quit [Ping timeout: 246 seconds] 14:37 < CodeShark_> As long as the verification cost is near-fixed, near-independent of the pow cost, 32MB isn't such a huge cost 14:37 < zooko> I just wrote a note to password-hashing mailing list mooting a 1 GiB cost to verify! :-( 14:38 < kanzure> is this the same mailing list? https://password-hashing.net/interaction.html 14:39 -!- shen_noe [~shen_noe@wired094.math.utah.edu] has quit [Quit: Leaving] 14:39 < CodeShark_> But that was for server applications (i.e. authentication), no zooko? 14:39 < zooko> kanzure: yes 14:40 < zooko> CodeShark_: no, for a cryptocurrency. 14:40 < CodeShark_> For large servers 1GB to secure passwords isn't such a huge cost 14:40 -!- jwilkins [~jwilkins@wilkins2.static.monkeybrains.net] has quit [Ping timeout: 255 seconds] 14:40 < CodeShark_> But for mobile cryptocurrency wallets, 1GB is still significant 14:40 < zooko> Yeah. 14:41 < CodeShark_> It probably won't be in a few years, though :) 14:42 < Luke-Jr> CodeShark_: well, it's also important for the PoW to be *cheap* to avoid DoS risks and minimise IBD time 14:43 -!- shen_noe [~shen_noe@wired094.math.utah.edu] has joined #bitcoin-wizards 14:43 < zooko> Luke-Jr: what's IBD stand for? 14:43 < Luke-Jr> Initial Blockchain Download 14:43 < Luke-Jr> Litecoin is slower to IBD than Bitcoin in part because of their PoW 14:44 < zooko> Hm. 14:44 -!- eudoxia [~eudoxia@r167-57-121-146.dialup.adsl.anteldata.net.uy] has quit [Quit: Leaving] 14:44 -!- ruby32 [~ruby32@38.121.165.30] has quit [Quit: ruby32] 14:44 < CodeShark_> ideally we'll eventually move to more succinct proofs that don't sacrifice security 14:46 < CodeShark_> I don't think it's really necessary to run through the entire network history to validate the present state 14:48 < CodeShark_> But yes, luke-jr - mSIGNA takes much longer to validate the litecoin block headers than bitcoin 14:51 -!- shen_noe [~shen_noe@wired094.math.utah.edu] has quit [Quit: Leaving] 14:51 < CodeShark_> it's also why litecoin uses separate hash functions for PoW and for indexing (I think) 14:52 < kanzure> hmm https://github.com/jancarlsson/kapital 14:53 < gmaxwell> kanzure: you're like a whole day late on that. :) 14:59 < Eliel> practically speaking, there's no reason for any single person to validate any block twice. For my own use, given that I had a secure way to generate signatures with a personal high security key, I could just trust any block that's been signed with it. 15:00 < kanzure> gmaxwell: a new low for me... alas. 15:00 -!- bendavenport [~bpd@96.90.231.161] has quit [Quit: bendavenport] 15:00 -!- se3000 [~SE@38.125.163.25] has quit [Quit: se3000] 15:01 -!- bramc [~bram@38.99.42.130] has quit [Quit: This computer has gone to sleep] 15:02 < fluffypony> kanzure: if it's zero knowledge then how can anyone know it, duh 15:03 < fluffypony> also have we spoken about how HackingTeam's dump includes a BTC wallet swiper... 15:03 -!- zefiris [69bb0b1a@gateway/web/freenode/ip.105.187.11.26] has quit [Quit: Page closed] 15:03 < kanzure> no, although i think everyone saw it 15:04 < gmaxwell> I'd pinged someone to fetch the arcive to look for bitcoin stuff. 15:06 -!- bendavenport [~bpd@96.90.231.161] has joined #bitcoin-wizards 15:06 < kanzure> actually, do we have a link to the swiper 15:09 -!- jwilkins [~jwilkins@199.101.130.204] has joined #bitcoin-wizards 15:12 < fluffypony> yes hold 15:12 -!- ThomasV [~ThomasV@unaffiliated/thomasv] has quit [Ping timeout: 264 seconds] 15:13 -!- StephenM347 [~stephenm3@static-64-223-246-218.port.east.myfairpoint.net] has quit [] 15:14 < fluffypony> https://github.com/informationextraction/core-win32/blob/8eb1326959fcb5c727513b59b86386dae7463683/HM_Money.h#L64 15:14 < fluffypony> https://github.com/informationextraction/core-linux/blob/9252cba42283e71d7858292a400f6c94043ee8ff/core/src/module_money.c#L24 15:15 < kanzure> yeesh even feathercoin? how desperate are they. 15:15 < fluffypony> lol 15:16 < leakypat> fluffypony: was the HT thing targeting core specifically ? 15:16 < fluffypony> seems so 15:17 < fluffypony> "%APPDATA%\\Bitcoin\\wallet.dat" 15:17 < kanzure> what's really weird is that you don't need to detect specific altcoins; a generic bitcoin-core sniffer would have worked fine 15:17 < kanzure> almost all of them have the same wallet.dat filename anyway 15:17 < leakypat> What a shitty company 15:17 -!- PaulCapestany [~PaulCapes@204.28.124.82] has quit [Quit: .] 15:18 -!- PaulCapestany [~PaulCapes@204.28.124.82] has joined #bitcoin-wizards 15:18 < leakypat> By the looks of the leaks all their tools are garbage also 15:19 < kanzure> well to be fair they did get hacked pretty hard 15:19 < kanzure> so might explain their approach to security as well (low quality) 15:19 < leakypat> Yep, it is very funny 15:21 -!- cornusammonis [~Cornus@pool-173-73-140-137.washdc.fios.verizon.net] has quit [Ping timeout: 248 seconds] 15:22 -!- jae_ [~jae@204.14.159.153] has quit [Remote host closed the connection] 15:26 -!- Luke-Jr [~luke-jr@unaffiliated/luke-jr] has quit [Read error: Connection reset by peer] 15:26 -!- bendavenport [~bpd@96.90.231.161] has quit [Quit: bendavenport] 15:27 -!- bendavenport [~bpd@96.90.231.161] has joined #bitcoin-wizards 15:28 -!- JackH [~Jack@host-80-43-142-154.as13285.net] has quit [Ping timeout: 252 seconds] 15:40 -!- zooko [~user@67.51.227.94] has quit [Ping timeout: 240 seconds] 15:46 -!- DougieBot5000 [~DougieBot@unaffiliated/dougiebot5000] has quit [Quit: Leaving] 15:54 -!- eudoxia [~eudoxia@r167-57-168-182.dialup.adsl.anteldata.net.uy] has joined #bitcoin-wizards 15:56 < leakypat> Ah, full RBF is so much nicer than FSS 15:56 -!- p15x_ [~p15x@64.145.91.142] has joined #bitcoin-wizards 15:57 < leakypat> For progressively increasing fees FSS is only really good for an emergency one time push 15:57 -!- Mably [~Mably@unaffiliated/mably] has quit [Ping timeout: 248 seconds] 15:57 -!- p15x [~p15x@61.149.242.255] has quit [Ping timeout: 246 seconds] 15:59 < leakypat> Although that would be a godsend at the moment 16:00 -!- vaalbara [~vaalbara@23.94.31.98] has quit [Remote host closed the connection] 16:01 -!- hashtag [~hashtag@cpe-69-23-213-3.ma.res.rr.com] has joined #bitcoin-wizards 16:02 -!- vaalbara [~vaalbara@23.94.31.98] has joined #bitcoin-wizards 16:03 -!- akrmn 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[~antonylew@101.100.162.252] has quit [Quit: alewis_btc] 20:39 -!- bramc [~bram@99-75-88-206.lightspeed.sntcca.sbcglobal.net] has joined #bitcoin-wizards 20:43 -!- bosma is now known as hodI 20:45 -!- FranzKafka [~FranzKafk@unaffiliated/franzkafka] has joined #bitcoin-wizards 20:48 -!- bblue [~bblue@c-71-198-215-145.hsd1.ca.comcast.net] has quit [Ping timeout: 256 seconds] 20:49 -!- user7779078 [~user77790@ool-4a5987f1.dyn.optonline.net] has quit [] 20:50 -!- justanotheruser [~Justan@unaffiliated/justanotheruser] has quit [Ping timeout: 264 seconds] 20:51 -!- bendavenport [~bpd@c-50-131-42-132.hsd1.ca.comcast.net] has quit [Quit: bendavenport] 20:55 -!- PRab_ [~chatzilla@2601:40a:8000:8f9b:f8ad:e3a0:cee6:bf3a] has quit [Read error: Connection reset by peer] 20:56 -!- justanotheruser [~Justan@unaffiliated/justanotheruser] has joined #bitcoin-wizards 20:57 < bramc> I've made some progress on understanding the intuitions behind the PoS paper 20:57 < bramc> PoS has a bit of collision with proof of space and proof of steak. Maybe we should call it PSPACE to be less confusing 20:57 < kanzure> stake 20:58 < kanzure> as for anti-ambiguity measures, i'm all for that 20:58 -!- frankenmint [~frankenmi@174-25-28-8.ptld.qwest.net] has quit [Remote host closed the connection] 20:58 < bramc> It's steak I tell you, that's why they're called CoW systems 20:58 < kanzure> "oh that's the docker thing" 20:59 -!- freewil [~freewil@unaffiliated/freewil] has joined #bitcoin-wizards 21:00 -!- roconnor [~roconnor@host-45-58-255-15.dyn.295.ca] has joined #bitcoin-wizards 21:01 < bramc> Anyway, an important element of the whole thing is that the amount of calculation necessary to generate the precommitment for the whole proof of space is somewhat larger than the amount of space being proven, because a significant amount of it isn't kept around 21:05 < bramc> The general framework is that the challenge and the root are hashed together to show which ancestors have to be revealed 21:05 -!- PRab [~chatzilla@2601:40a:8000:8f9b:f8ad:e3a0:cee6:bf3a] has joined #bitcoin-wizards 21:06 < bramc> And the overall construction is set up so that you can store an appropriate subset of ancestors so that you always have what you need 21:06 < bramc> (I guess 'almost always' would be sufficient, that may enable some improvements) 21:08 < bramc> But maybe as part of the proof process you need to read more things than are part of the proof proper 21:11 -!- freewil [~freewil@unaffiliated/freewil] has quit [Quit: Leaving.] 21:11 < bramc> There are potential problems with seek times. I'll need to work through everything with an eye towards figuring out if the whole thing winds up being disk bandwidth limited on the generation side, that could ruin everything 21:16 -!- NewLiberty [~NewLibert@2602:304:cff8:1580:24e6:8a17:8812:6ae4] has joined #bitcoin-wizards 21:16 < bramc> Hopefully the proof sizes aren't (log(n))^2, that would kind of suck 21:16 -!- p15x [~p15x@64.145.91.90] has joined #bitcoin-wizards 21:17 -!- freewil [~freewil@unaffiliated/freewil] has joined #bitcoin-wizards 21:17 -!- tromp [~tromp@ool-18be0b4d.dyn.optonline.net] has joined #bitcoin-wizards 21:18 -!- kerneloops [~Tee@2606:6000:62c5:c000:35e3:190e:a079:7593] has quit [Ping timeout: 248 seconds] 21:18 -!- p15x_ [~p15x@64.145.91.21] has quit [Ping timeout: 244 seconds] 21:18 < CodeShark> PoSp vs PoSt? ;) 21:18 < CodeShark> PSPACE is a complexity class 21:19 -!- frankenmint [~frankenmi@174-25-28-8.ptld.qwest.net] has joined #bitcoin-wizards 21:22 -!- tromp [~tromp@ool-18be0b4d.dyn.optonline.net] has quit [Ping timeout: 265 seconds] 21:26 -!- bblue [~bblue@c-71-198-215-145.hsd1.ca.comcast.net] has joined #bitcoin-wizards 21:26 < bramc> CodeShark Yes I was making an attempt at this thing called 'humor' which people keep telling me about 21:31 < CodeShark> what's that? 21:31 < CodeShark> is humor similar to PSPACE? 21:32 < CodeShark> PoHAHAHA 21:33 < CodeShark> let's just call it George 21:40 -!- ThomasV [~ThomasV@unaffiliated/thomasv] has joined #bitcoin-wizards 22:03 -!- zooko [~user@c-67-190-6-198.hsd1.co.comcast.net] has quit [Ping timeout: 256 seconds] 22:06 -!- alewis_btc [~antonylew@180.255.252.118] has joined #bitcoin-wizards 22:06 -!- mjerr [~mjerr@p578EB7BE.dip0.t-ipconnect.de] has joined #bitcoin-wizards 22:06 -!- freewil [~freewil@unaffiliated/freewil] has quit [Quit: Leaving.] 22:07 -!- alewis_btc [~antonylew@180.255.252.118] has quit [Read error: Connection reset by peer] 22:07 -!- alewis_btc_ [~antonylew@180.255.252.118] has joined #bitcoin-wizards 22:10 -!- hodI is now known as bosma 22:14 < CodeShark> does George require the storage be local to be efficient? if not wouldn't that imply it's bandwidth-limited? 22:15 < CodeShark> or if so, rather 22:18 -!- Cory [~Cory@unaffiliated/cory] has quit [Ping timeout: 264 seconds] 22:21 -!- Cory [~Cory@unaffiliated/cory] has joined #bitcoin-wizards 22:25 -!- copumpkin [~copumpkin@unaffiliated/copumpkin] has quit [Quit: My MacBook Pro has gone to sleep. 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