--- Log opened Wed Jan 31 00:00:36 2018 --- Day changed Wed Jan 31 2018 00:00 < andytoshi> RubenSomsen: i will give a talk about this at a milan bitcoin meetup (i think), and hopefully i'll have better numbers by then 00:01 < andytoshi> in a couple days 00:03 < RubenSomsen> andytoshi: Cool, thanks for the update. Hope the video will be posted online! 00:03 < andytoshi> i'm sure it will be :) 00:05 -!- airbreather_ [~airbreath@d149-67-99-43.nap.wideopenwest.com] has joined #bitcoin-wizards 00:06 < andytoshi> i'll also talk about applications and the general circuit stuff, which i think benedikt didn't go into as much as he could've 00:06 < RubenSomsen> Yeah, I am curious where else it can be used in practice. 00:08 -!- airbreather [~airbreath@d149-67-99-43.nap.wideopenwest.com] has quit [Ping timeout: 252 seconds] 00:08 < andytoshi> it depends a fair bit on the numbers we get for circuit proving/verification 00:08 < andytoshi> which i intend to get in the next day or two 00:08 -!- modin [~modin@h-6-164.A444.priv.bahnhof.se] has joined #bitcoin-wizards 00:10 < RubenSomsen> I guess that must be slower than CT proofs, since you are not just proving a single range. 00:21 < andytoshi> yea CT proofs are basically the simplest nontrivial circuit 00:22 < andytoshi> plus, because the output wires for every multiplication gate are fixed values (they're all 1) there is an additional optimization that can be done vs a general circuit 00:22 < andytoshi> which is why in the paper, the rangeproof polynomials have degree 1 while the circuit polynomials have degree 3 00:34 -!- nickler [~nickler@185.12.46.130] has quit [Ping timeout: 248 seconds] 00:36 -!- nickler [~nickler@185.12.46.130] has joined #bitcoin-wizards 01:26 -!- Krellan [~Krellan@2601:640:4000:9258:198e:d0a0:9a01:8279] has quit [Read error: Connection reset by peer] 01:27 -!- Krellan [~Krellan@2601:640:4000:9258:198e:d0a0:9a01:8279] has joined #bitcoin-wizards 01:31 -!- RubenSomsen [~RubenSoms@1.217.138.142] has quit [Ping timeout: 248 seconds] 01:38 -!- d9b4bef9 [~d9b4bef9@web501.webfaction.com] has quit [Remote host closed the connection] 01:39 -!- d9b4bef9 [~d9b4bef9@web501.webfaction.com] has joined #bitcoin-wizards 01:43 -!- Dizzle [~Dizzle@2605:6000:1019:42b6:6865:cf5a:cba9:42cd] has quit [Quit: Leaving...] 01:53 -!- 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[Quit: Waiting for .007] 06:26 -!- Giszmo [~leo@pc-204-28-214-201.cm.vtr.net] has joined #bitcoin-wizards 06:32 -!- thrmo [~thrmo@unaffiliated/thrmo] has joined #bitcoin-wizards 06:44 -!- Giszmo [~leo@pc-204-28-214-201.cm.vtr.net] has quit [Quit: Leaving.] 06:50 -!- dnaleor [~dnaleor@host-im1adb.cbn1.zeelandnet.nl] has quit [Quit: Leaving] 06:51 -!- dnaleor [~dnaleor@host-im1adb.cbn1.zeelandnet.nl] has joined #bitcoin-wizards 06:57 < tromp> hi andytoshi 07:03 < tromp> having some MW discussion in grin/dev that may interest you 07:20 -!- Krellan [~Krellan@2601:640:4000:9258:198e:d0a0:9a01:8279] has quit [Ping timeout: 252 seconds] 07:21 -!- Krellan [~Krellan@2601:640:4000:9258:198e:d0a0:9a01:8279] has joined #bitcoin-wizards 07:23 -!- AaronvanW [~AaronvanW@unaffiliated/aaronvanw] has quit [Remote host closed the connection] 07:31 -!- Krellan [~Krellan@2601:640:4000:9258:198e:d0a0:9a01:8279] has quit [Ping timeout: 252 seconds] 07:34 < andytoshi> oh, sure, i didn't realize i wasn't on 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ZZZzzz…] 15:38 -!- Giszmo [~leo@ip-195-237-219-201.nextelmovil.cl] has quit [Quit: Leaving.] 15:39 < Cosmosis> (∩`-´)⊃━☆゚.*・。゚ 15:44 -!- AaronvanW [~AaronvanW@unaffiliated/aaronvanw] has joined #bitcoin-wizards 15:44 -!- rusty [~rusty@pdpc/supporter/bronze/rusty] has quit [Quit: Leaving.] 15:44 -!- rusty [~rusty@pdpc/supporter/bronze/rusty] has joined #bitcoin-wizards 15:49 -!- AaronvanW [~AaronvanW@unaffiliated/aaronvanw] has quit [Ping timeout: 240 seconds] 17:00 -!- AaronvanW [~AaronvanW@unaffiliated/aaronvanw] has joined #bitcoin-wizards 17:05 -!- AaronvanW [~AaronvanW@unaffiliated/aaronvanw] has quit [Ping timeout: 256 seconds] 17:06 -!- dcousens [~dcousens@101.188.228.91] has quit [Ping timeout: 248 seconds] 17:07 -!- dcousens [~dcousens@101.188.228.91] has joined #bitcoin-wizards 17:09 -!- dabura667 [~dabura667@p98110-ipngnfx01marunouchi.tokyo.ocn.ne.jp] has joined #bitcoin-wizards 17:17 -!- Krellan [~Krellan@2601:640:4000:9258:198e:d0a0:9a01:8279] has quit [Read error: Connection reset by peer] 17:17 -!- dnaleor [~dnaleor@host-im1adb.cbn1.zeelandnet.nl] has quit [Quit: Leaving] 17:18 -!- Krellan [~Krellan@2601:640:4000:9258:198e:d0a0:9a01:8279] has joined #bitcoin-wizards 17:25 -!- belcher [~belcher@unaffiliated/belcher] has quit [Quit: Leaving] 17:44 -!- contrapumpkin [~copumpkin@haskell/developer/copumpkin] has quit [Quit: My MacBook Pro has gone to sleep. ZZZzzz…] 17:44 -!- Murch [~murch@96-82-80-28-static.hfc.comcastbusiness.net] has quit [Quit: Plugging out.] 17:46 -!- contrapumpkin [~copumpkin@haskell/developer/copumpkin] has joined #bitcoin-wizards 17:50 -!- Belkaar [~Belkaar@unaffiliated/belkaar] has quit [Ping timeout: 268 seconds] 17:51 -!- Belkaar [~Belkaar@xdsl-78-35-67-58.netcologne.de] has joined #bitcoin-wizards 17:51 -!- Belkaar [~Belkaar@xdsl-78-35-67-58.netcologne.de] has quit [Changing host] 17:51 -!- Belkaar [~Belkaar@unaffiliated/belkaar] has joined #bitcoin-wizards 17:58 < kanzure> http://diyhpl.us/wiki/transcripts/blockchain-protocol-analysis-security-engineering/2018/schnorr-signatures-for-bitcoin-challenges-opportunities/ 17:59 < kanzure> http://diyhpl.us/wiki/transcripts/blockchain-protocol-analysis-security-engineering/2018/bulletproofs/ 18:00 -!- Murch [~murch@96-82-80-28-static.hfc.comcastbusiness.net] has joined #bitcoin-wizards 18:01 -!- Murch [~murch@96-82-80-28-static.hfc.comcastbusiness.net] has quit [Client Quit] 18:04 -!- kenshi84 [~kenshi84@2400:4027:2bd5:1200:69ce:75e9:85b4:9450] has quit [Read error: Connection reset by peer] 18:04 -!- Murch [~murch@96-82-80-28-static.hfc.comcastbusiness.net] has joined #bitcoin-wizards 18:08 < contrapumpkin> <3 18:08 -!- hdevalence [~hdevalenc@52.119.117.17] has quit [Quit: hdevalence] 18:08 -!- kenshi84 [~kenshi84@2400:4027:2bd5:1200:30cc:5ed0:aea2:2acf] has joined #bitcoin-wizards 18:16 -!- RubenSomsen [~RubenSoms@1.217.138.142] has joined #bitcoin-wizards 18:32 -!- Murch [~murch@96-82-80-28-static.hfc.comcastbusiness.net] has quit [Quit: Snoozing.] 18:35 -!- Murch [~murch@96-82-80-28-static.hfc.comcastbusiness.net] has joined #bitcoin-wizards 18:36 -!- Murch [~murch@96-82-80-28-static.hfc.comcastbusiness.net] has quit [Client Quit] 18:39 -!- Dizzle [~Dizzle@2605:6000:1019:42b6:d587:8f29:2f45:eb54] has joined #bitcoin-wizards 18:51 -!- ghost43 [~daer@gateway/tor-sasl/daer] has quit [Remote host closed the connection] 18:53 -!- thrmo [~thrmo@unaffiliated/thrmo] has quit [Ping timeout: 246 seconds] 18:56 -!- ghost43 [~daer@gateway/tor-sasl/daer] has joined #bitcoin-wizards 18:57 -!- wraithm [~wraithm@unaffiliated/wraithm] has joined #bitcoin-wizards 19:04 -!- wraithm [~wraithm@unaffiliated/wraithm] has quit [Quit: ZNC 1.6.3+deb1+xenial0 - http://znc.in] 19:05 -!- wraithm [~wraithm@unaffiliated/wraithm] has joined #bitcoin-wizards 19:35 -!- Krellan [~Krellan@2601:640:4000:9258:198e:d0a0:9a01:8279] has quit [Read error: Connection reset by peer] 19:36 -!- Krellan [~Krellan@2601:640:4000:9258:198e:d0a0:9a01:8279] has joined #bitcoin-wizards 19:37 -!- wraithm_ [~wraithm@unaffiliated/wraithm] has joined #bitcoin-wizards 19:38 -!- d9b4bef9 [~d9b4bef9@web501.webfaction.com] has quit [Remote host closed the connection] 19:38 -!- wraithm_ [~wraithm@unaffiliated/wraithm] has quit [Client Quit] 19:41 -!- d9b4bef9 [~d9b4bef9@web501.webfaction.com] has joined #bitcoin-wizards 20:12 -!- Noldorin [~noldorin@unaffiliated/noldorin] has quit [Quit: My MacBook Pro has gone to sleep. ZZZzzz…] 20:39 -!- davec [~davec@cpe-24-243-249-218.hot.res.rr.com] has quit [Ping timeout: 240 seconds] 20:41 -!- davec [~davec@cpe-24-243-249-218.hot.res.rr.com] has joined #bitcoin-wizards 21:00 -!- legogris [~legogris@128.199.205.238] has quit [Remote host closed the connection] 21:00 -!- legogris [~legogris@128.199.205.238] has joined #bitcoin-wizards 21:02 -!- AaronvanW [~AaronvanW@unaffiliated/aaronvanw] has joined #bitcoin-wizards 21:07 -!- AaronvanW [~AaronvanW@unaffiliated/aaronvanw] has quit [Ping timeout: 240 seconds] 21:22 < RubenSomsen> sipa: how do key tree signatures compares to threshold signatures? is one objectively better, or are there use cases for both (assuming pure multisig with no further scripting)? 21:30 < sipa> RubenSomsen: key treed are accountable 21:30 < sipa> *trees 21:30 < sipa> (the signers can see which subset signed) 21:31 -!- [d__d] [~d__d]@ec2-54-85-45-223.compute-1.amazonaws.com] has quit [Remote host closed the connection] 21:32 -!- [d__d] [~d__d]@ec2-54-85-45-223.compute-1.amazonaws.com] has joined #bitcoin-wizards 21:32 < RubenSomsen> Ah yeah, good point. Are there performance differences? I remember you pointed out that at some tresholds calculating the tree can take a long time. 21:39 < sipa> a threshold signature just looks like a single signature on chain 21:39 < sipa> so obviouslyz yes 21:42 < aj> is there a good reference for how threshold signatures via schnorr might work? 21:43 < RubenSomsen> Yes of course on-chain it is more efficient, I meant at contract creation time. Like if you do 500-1000 multisig, calculating an entire merkle tree will take a long time. 21:44 < RubenSomsen> I guess it is similar? 21:44 < RubenSomsen> Hopefully I am wording my question clearly enough 21:50 < RubenSomsen> I guess it is not really a practical concern if it happens off-chain 22:05 -!- Emcy_ [~Emcy@unaffiliated/emcy] has joined #bitcoin-wizards 22:08 -!- Emcy [~Emcy@unaffiliated/emcy] has quit [Ping timeout: 260 seconds] 22:16 -!- arowser [~quassel@106.120.101.38] has quit [Quit: No Ping reply in 180 seconds.] 22:17 -!- arowser [~quassel@106.120.101.38] has joined #bitcoin-wizards 22:24 -!- Murch [~murch@c-73-223-113-121.hsd1.ca.comcast.net] has joined #bitcoin-wizards 22:26 -!- Krellan [~Krellan@2601:640:4000:9258:198e:d0a0:9a01:8279] has quit [Read error: Connection reset by peer] 22:26 -!- Krellan [~Krellan@2601:640:4000:9258:198e:d0a0:9a01:8279] has joined #bitcoin-wizards 22:46 -!- rusty [~rusty@pdpc/supporter/bronze/rusty] has quit [Ping timeout: 260 seconds] 22:49 -!- Emcy [~Emcy@unaffiliated/emcy] has joined #bitcoin-wizards 22:51 -!- Emcy_ [~Emcy@unaffiliated/emcy] has quit [Ping timeout: 240 seconds] 23:01 -!- laurentmt [~Thunderbi@176.158.157.202] has joined #bitcoin-wizards 23:03 -!- AaronvanW [~AaronvanW@unaffiliated/aaronvanw] has joined #bitcoin-wizards 23:06 -!- ekrion [~ff@adsl201-232-238-252.epm.net.co] has quit [Ping timeout: 256 seconds] 23:08 -!- AaronvanW [~AaronvanW@unaffiliated/aaronvanw] has quit [Ping timeout: 268 seconds] 23:11 -!- laurentmt [~Thunderbi@176.158.157.202] has quit [Quit: laurentmt] 23:40 -!- meshcollider [uid246294@gateway/web/irccloud.com/x-kjgduhaeljxaplke] has quit [Quit: Connection closed for inactivity] 23:56 -!- go1111111 [go1111111@gateway/vpn/privateinternetaccess/go1111111] has quit [Ping timeout: 264 seconds] 23:57 -!- AaronvanW [~AaronvanW@unaffiliated/aaronvanw] has joined #bitcoin-wizards --- Log closed Thu Feb 01 00:00:40 2018