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Author Topic: [ANN][YAC] yacoin: yet another altcoin. START is now.  (Read 346180 times)
phorensic
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May 12, 2013, 01:20:40 PM
 #3141

what's up guys ?
Hai guys.  What's going on in this thread?
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sairon
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May 12, 2013, 01:29:04 PM
 #3142

Get free YAC!
http://yac-faucet.tk/

GPG key ID: 5E4F108A || BTC: 1hoardyponb9AMWhyA28DZb5n5g2bRY8v
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May 12, 2013, 03:39:48 PM
 #3143


faucet works great, got my free 0.10 YAC instantly Smiley
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May 12, 2013, 03:54:46 PM
 #3144

Congratulations to all the community for bringing this nice project all the way to this point.

But remember, the objective is to allow people to use YAC as a fast and secure cryptocurrency for trading goods and services. Let's keep working on that.

+1 for that.

All should focus efforts on getting YaCoin used to buy and sell goods and services.  Has anyone setup of bounty for this?

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May 12, 2013, 04:21:05 PM
 #3145

Nice tweet by coinmovers about YaCoin.

"Yacoin is one of the few coins with character and a purpose for existing. Mining is preferable to buying at this time. It is CPU only."

https://twitter.com/CoinMover/status/333614995629830144

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May 12, 2013, 04:37:14 PM
 #3146

Quote
Incrementing N will lead to immediate hashing speed decrease. Difficulty will reflect these speed changes (i.e. difficulty will decrease after N++) with lags. As soon as block reward depends on difficulty the reward will increase also and more miners will be motivated to join after N++.  It's not easy to predict now but we can be sure that some waves will happen on each N++ event.

when will this event be?
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May 12, 2013, 04:53:38 PM
 #3147

Quote
Incrementing N will lead to immediate hashing speed decrease. Difficulty will reflect these speed changes (i.e. difficulty will decrease after N++) with lags. As soon as block reward depends on difficulty the reward will increase also and more miners will be motivated to join after N++.  It's not easy to predict now but we can be sure that some waves will happen on each N++ event.

when will this event be?


Read official website http://www.yacoin.org/about.html

Says first one is on May 14th.  Bookmark that date!


May 14, N=64, 8Kb
May 17, N=128, 16Kb
May 20, N=256, 32Kb
May 29, N=512, 64Kb

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May 12, 2013, 05:39:54 PM
 #3148

Quote
Incrementing N will lead to immediate hashing speed decrease. Difficulty will reflect these speed changes (i.e. difficulty will decrease after N++) with lags. As soon as block reward depends on difficulty the reward will increase also and more miners will be motivated to join after N++.  It's not easy to predict now but we can be sure that some waves will happen on each N++ event.

when will this event be?


Read official website http://www.yacoin.org/about.html

Says first one is on May 14th.  Bookmark that date!


May 14, N=64, 8Kb
May 17, N=128, 16Kb
May 20, N=256, 32Kb
May 29, N=512, 64Kb


I've already asked for this but it's lost in this very very long thread :

Do you know the precise time (with time zone of course) it'll happen ?

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May 12, 2013, 06:19:33 PM
 #3149

Quote
Incrementing N will lead to immediate hashing speed decrease. Difficulty will reflect these speed changes (i.e. difficulty will decrease after N++) with lags. As soon as block reward depends on difficulty the reward will increase also and more miners will be motivated to join after N++.  It's not easy to predict now but we can be sure that some waves will happen on each N++ event.

when will this event be?


Read official website http://www.yacoin.org/about.html

Says first one is on May 14th.  Bookmark that date!


May 14, N=64, 8Kb
May 17, N=128, 16Kb
May 20, N=256, 32Kb
May 29, N=512, 64Kb


I've already asked for this but it's lost in this very very long thread :

Do you know the precise time (with time zone of course) it'll happen ?

Using the nfactor calculating code from the client I get for the coming year (timestamps in UTC):

Wed May  8 05:33:20 2013, factor: 4
Tue May 14 07:11:28 2013, factor: 5
Fri May 17 08:00:32 2013, factor: 6
Mon May 20 08:49:36 2013, factor: 7
Wed May 29 11:16:48 2013, factor: 8
Sat Jun  1 12:05:52 2013, factor: 9
Tue Jun 25 18:38:24 2013, factor: 10
Sun Jul  7 21:54:40 2013, factor: 11
Tue Aug 13 07:43:28 2013, factor: 12
Mon Sep 30 20:48:32 2013, factor: 13
Mon Nov 18 09:53:36 2013, factor: 14


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May 12, 2013, 06:21:22 PM
 #3150


Using the nfactor calculating code from the client I get for the coming year (timestamps in UTC):

Wed May  8 05:33:20 2013, factor: 4
Tue May 14 07:11:28 2013, factor: 5
Fri May 17 08:00:32 2013, factor: 6
Mon May 20 08:49:36 2013, factor: 7
Wed May 29 11:16:48 2013, factor: 8
Sat Jun  1 12:05:52 2013, factor: 9
Tue Jun 25 18:38:24 2013, factor: 10
Sun Jul  7 21:54:40 2013, factor: 11
Tue Aug 13 07:43:28 2013, factor: 12
Mon Sep 30 20:48:32 2013, factor: 13
Mon Nov 18 09:53:36 2013, factor: 14




Apparently the N factor allocation is broken...

https://bitcointalk.org/index.php?topic=200170.msg2117745#msg2117745
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May 12, 2013, 08:17:10 PM
 #3151

A post and my reply from a different thread is below.  Probably it's more relevant in this thread than over there:

Such a niave little boy...Both FTC and CNC are doing poorly, but this one will do better, because it can only be mined by CPU, which costs considerably more them GPU mining. Why would anyone want to make more profit, mining a real, already tested coin, like LTC. That's just silly Roll Eyes

I think what's going to happen is that when GPU mining of Yacoin no longer appears economical, multiple people are going to post their modified cgminer source.  Exactly like what happened when Amazon EC2 become uneconomical, we all started sharing lots of details about our Amazon-hosted Yacoin mining server farms and Vycid even posted a detailed howto showing one of several methods (perhaps not the most efficient or expedient method) to do it.

Expect the same type of information sharing to occur when GPU mining of Yacoin becomes uneconomical, since it's likely everyone thinks there isn't going to be additional scrypt+chacha/kekkac based alt-coins released so there won't be any advantage in keeping the modified cgminer source secret.  At that point everyone will be after bragging rights, saying, "Hey, I was one of the first to get cgminer going on Yacoin just X hours after the coin launched, here's my modified source!"

At that point it's going to be interesting to examine the different various approaches each person took to porting scrypt+chacha/kekkac to cgminer.  I'll find it most interesting to see and compare everyone's approaches indeed.
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May 12, 2013, 08:19:47 PM
 #3152

Any guide on compiling minerd (scrypt-jane) for Ubuntu 64 bit and CPU Athlon64 x2 ? I installed Ubuntu 12.04 few hours ago so surely missing a lot of dependencies there.

Apparently the N factor allocation is broken...

Haven't you dumped all your YAC? I think you did so how about moving to some other altcoin now and leaving those still interested in YAC alone?

Already did, yep. Just warning people. I've moved on since.
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May 12, 2013, 08:23:17 PM
 #3153

Now that we're crossing the threshold where difficulty is high enough to warrant shutting down Xeon-based servers, even at very low power prices ($0.065/kWh over here), I believe the cat is probably out of the bag regarding whether GPU mining of Yacoin is occurring.  Just examine the current difficulty and block rates, and work out what the hash rate is even after power prices start swamping even high-power-efficiency Xeon servers.  Sure, there's going to be some small amount of people who have free power (as in, "free to them"), but I doubt it accounts for anywhere close to the apparent network hash rate at the present time.

After GPU mining becomes economic, I'd like to call for everyone that experimented with scrypt+chacha/kekkac modifications to cgminer to post their modified source.  I doubt it'll be useful for any more alt-coin copypasta launches in the future.  Just like what happened when Amazon become uneconomic to mine with and everyone started posting details in this thread about their Amazon-hosted server farms, it would be even far more interesting (at least to me) to see what everyone's approaches to implementing scrypt+chacha/kekkac in OpenCL was.  As has been pointed out, it's not a trivial copy'n'paste.  But it's also not catastrophically difficult for anyone with decent amounts of OpenCL experience.

Anyone willing to post GPU hash rates for Yacoin at least, prior to it becoming uneconomic?  That should at least dispell the myth that N=32 somehow made CPU's faster than GPU's for mining YAC.  N=64 in another couple days isn't going to change the GPU vs. CPU performance ratio all that much, and as Taco pointed out earlier, GPU's are still going to have the edge at N>1024.
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May 12, 2013, 08:28:45 PM
 #3154

Any guide on compiling minerd (scrypt-jane) for Ubuntu 64 bit and CPU Athlon64 x2 ? I installed Ubuntu 12.04 few hours ago so surely missing a lot of dependencies there.

Crude tip, but it tends to work: whenever it says whatever.h is missing, do "apt-file search whatever.h", then look for a package named libwhatever-dev

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May 12, 2013, 08:30:29 PM
 #3155

Now that we're crossing the threshold where difficulty is high enough to warrant shutting down Xeon-based servers, even at very low power prices ($0.065/kWh over here), I believe the cat is probably out of the bag regarding whether GPU mining of Yacoin is occurring.  Just examine the current difficulty and block rates, and work out what the hash rate is even after power prices start swamping even high-power-efficiency Xeon servers.  Sure, there's going to be some small amount of people who have free power (as in, "free to them"), but I doubt it accounts for anywhere close to the apparent network hash rate at the present time.

After GPU mining becomes economic, I'd like to call for everyone that experimented with scrypt+chacha/kekkac modifications to cgminer to post their modified source.  I doubt it'll be useful for any more alt-coin copypasta launches in the future.  Just like what happened when Amazon become uneconomic to mine with and everyone started posting details in this thread about their Amazon-hosted server farms, it would be even far more interesting (at least to me) to see what everyone's approaches to implementing scrypt+chacha/kekkac in OpenCL was.  As has been pointed out, it's not a trivial copy'n'paste.  But it's also not catastrophically difficult for anyone with decent amounts of OpenCL experience.

Anyone willing to post GPU hash rates for Yacoin at least, prior to it becoming uneconomic?  That should at least dispell the myth that N=32 somehow made CPU's faster than GPU's for mining YAC.  N=64 in another couple days isn't going to change the GPU vs. CPU performance ratio all that much, and as Taco pointed out earlier, GPU's are still going to have the edge at N>1024.

Botnet operators don't care about electricity costs.

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May 12, 2013, 08:39:13 PM
 #3156

Botnet operators don't care about electricity costs.

At current difficulty, it would take a botnet of ridiculous proportions to make much YAC at this point.
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May 12, 2013, 08:54:02 PM
 #3157


Using the nfactor calculating code from the client I get for the coming year (timestamps in UTC):

Wed May  8 05:33:20 2013, factor: 4
Tue May 14 07:11:28 2013, factor: 5
Fri May 17 08:00:32 2013, factor: 6
Mon May 20 08:49:36 2013, factor: 7
Wed May 29 11:16:48 2013, factor: 8
Sat Jun  1 12:05:52 2013, factor: 9
Tue Jun 25 18:38:24 2013, factor: 10
Sun Jul  7 21:54:40 2013, factor: 11
Tue Aug 13 07:43:28 2013, factor: 12
Mon Sep 30 20:48:32 2013, factor: 13
Mon Nov 18 09:53:36 2013, factor: 14




Apparently the N factor allocation is broken...

https://bitcointalk.org/index.php?topic=200170.msg2117745#msg2117745


The N assignment + dynmic hashing looks good to me

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May 12, 2013, 08:58:15 PM
 #3158

Code:
n 4 change at 1367991200, hash genesis = 00000034ccf5ed55e98b2ccd30e0d9d65075c25ce4c2907fd1022c727cd20100, 1000 hashes took 3623670
n 5 change at 1368515488, hash genesis = bae623aca0111a2da3e81771c1210855e5d2c7ae193dcce3bee1d172fbfe74a2, 1000 hashes took 5396803
n 6 change at 1368777632, hash genesis = 28f69d59f1fb9820d7ccf50ffcdd7139bbcec53e7bdddc53ccd8386b23adfbfe, 1000 hashes took 8916306
n 7 change at 1369039776, hash genesis = dba5220b4e8561aa6442e1cb3a71193773d125b3bf6b6110c057f47c269a24fd, 1000 hashes took 16050595
n 8 change at 1369826210, hash genesis = 1289dbbf448bcec0f1351e14057f5c4dbe6fb915550061a6479f3c814fccea2a, 1000 hashes took 30496128
n 9 change at 1370088353, hash genesis = c427574042bb6f714fd8cd92b4bec837405e84579a10e4a54a8e97f0fa7896a1, 1000 hashes took 59264958
n 10 change at 1372185506, hash genesis = 42772bc63306f536d39f74e3c7d16dbf20ef54b7b7a9ec13b1e2e4830d7019c1, 1000 hashes took 116954210
n 11 change at 1373234081, hash genesis = 6e65e4b7289a1432d7fa9e2f846cc636da3510c409ec5dbbba881fe9a415a8fa, 1000 hashes took 232182547
n 12 change at 1376379808, hash genesis = b1fd8c42e0df1b12bce63a0a9a48695d0030ae6fb3081936c6916e343965fdaa, 1000 hashes took 463267458
n 13 change at 1380574112, hash genesis = 8d2f9cc3add7d012d49b84de09419ad991be4e2e32a723c88edd6ee5d901824e, 1000 hashes took 935167153
n 14 change at 1384768416, hash genesis = 7e677544bf6ad75ad3d14082715d9eb8a542c1814118a27d24ca08b136441cb0, 1000 hashes took 2009044222
n 15 change at 1401545632, hash genesis = f4e9240ee4c12b189af5ca0d82ec999b9cd23b07ace64e2b2c101288b9db74b7, 1000 hashes took 5958212379
n 16 change at 1409934240, hash genesis = a33f8a4981cda07638ea36c95e387861abc38dc185dc42a5ea38ec5b245be6c6, 1000 hashes took 13182223485

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bitdwarf
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May 12, 2013, 09:01:17 PM
 #3159

The N assignment + dynmic hashing looks good to me

I've gone thru the code too and I didn't see any obvious bug, but I'm neither a cryptocoder nor I code in C++, so I'd love to get specific pointers to any flaws (and to learn from them!) Smiley

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May 12, 2013, 09:09:40 PM
Last edit: May 12, 2013, 09:36:54 PM by eule
 #3160

Does luke-jr have a history as altcoin analyser? His post is very short...
-edit- The hero member obviously means he has contributed some things and the projects in his sig suggest he's a good dev. Just saying I doubt his analysis was thorough.
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