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Author Topic: Large Bitcoin Collider Thread 2.0  (Read 43007 times)
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rico666
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December 18, 2017, 06:06:22 AM
 #261

Total newb here when it comes to linux but please take a look at the attached image and let me know if I actually started the collider



If it's started how can I see the FOUND.txt file in case something is found? Any suggestion is much appreciated.

edit: also, does 1,8 Mkeys/s mean that I'm searching through 1,800,000 keys per second?

You started the collider and you are searching with 1 800 000 keys/second.

you can see the file FOUND.txt in the same directory as the LBC client and look at is in a text editor, by doing
Code:
cat FOUND.txt
or
Code:
less FOUND.txt


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December 18, 2017, 08:21:25 AM
 #262

Total newb here when it comes to linux but please take a look at the attached image and let me know if I actually started the collider

https://i.imgur.com/BLSDMjc.png

If it's started how can I see the FOUND.txt file in case something is found? Any suggestion is much appreciated.

edit: also, does 1,8 Mkeys/s mean that I'm searching through 1,800,000 keys per second?

You started the collider and you are searching with 1 800 000 keys/second.

you can see the file FOUND.txt in the same directory as the LBC client and look at is in a text editor, by doing
Code:
cat FOUND.txt
or
Code:
less FOUND.txt



Thank you very much! I'm currently looking for a vps to run this 24/7 with a better speed and should be around $50/month. Any suggestions?
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December 18, 2017, 07:09:39 PM
 #263

There is always someone who has to try and break the stuff you make..

But, respect.. This is a very interesting project.
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December 19, 2017, 02:40:36 AM
 #264

Thank you very much! I'm currently looking for a vps to run this 24/7 with a better speed and should be around $50/month. Any suggestions?

Google offers $300 "credit" for newcomers to their cloud services. The most efficient hardware is 8core/7.2GB will make 3.0-3.3 megakeys a second. One server costs $150 a month. So you'll have a free server for 2 months.

I guess, buying a videocard to your own PC is much more funds-efficient.

Actually, this project lacks a reasonable comparison of different cards.
I'm not ready to buy a $1000 card like nvidia 2000, but it's totally unclear how would cheaper aftermarket cards behave.
Also, ATI cards were always much stronger for mining, is it the same for LBC?  Huh
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December 19, 2017, 06:59:59 AM
 #265

Thank you very much! I'm currently looking for a vps to run this 24/7 with a better speed and should be around $50/month. Any suggestions?

Google offers $300 "credit" for newcomers to their cloud services. The most efficient hardware is 8core/7.2GB will make 3.0-3.3 megakeys a second. One server costs $150 a month. So you'll have a free server for 2 months.

I guess, buying a videocard to your own PC is much more funds-efficient.

Actually, this project lacks a reasonable comparison of different cards.
I'm not ready to buy a $1000 card like nvidia 2000, but it's totally unclear how would cheaper aftermarket cards behave.
Also, ATI cards were always much stronger for mining, is it the same for LBC?  Huh


Thanks for the advice! I actually have a decent GPU but I can't use it as I'm not auth yet I think since I only started a couple days ago and my average speed is 1,8 Mkeys/s. I'll take a look at what Google has to offer, thanks again!
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December 19, 2017, 11:12:08 AM
 #266

Actually, this project lacks a reasonable comparison of different cards.
I'm not ready to buy a $1000 card like nvidia 2000, but it's totally unclear how would cheaper aftermarket cards behave.

If you were on the Discord, you'd know by now, that the best cost-efficient GPU is a 1050Ti, where you can get for 150 bucks (or less) as much as 40 Mkeys/s with the right CPU.

user glatzer44 is also doing some work to get more out of the higher-end cards which behave not as good in price/performance category.

A small WX4100 also tops somewhere at 30 Mkeys/s, but costs double the 1050Ti.

New ATI Vega64 ... are at the moment a monumental drama of misery. But there it's the software, the hardware should be great, so we wait.

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December 20, 2017, 09:37:48 AM
 #267

Hm... tested  my RIG Cel G1840 and GTX 1060 3g and got from 1 core about 600k and 1 core with gpu about 2M.... Undecided with GPU load about 50%...... what is wrong? slow CPU? Huh

and got 4.5M from 1  core laptop CPU i7-7500 with GTX 940m ....
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December 20, 2017, 11:41:17 PM
 #268

Could you make a software or other transformer to allow the use of bitcoin mining ASIC for the LBC? Things would really speed up with couple of antminers.

On the other hand, could one search for wallets by brute forcing the 12 phrase keywords?
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December 21, 2017, 11:06:13 PM
 #269

Could you make a software or other transformer to allow the use of bitcoin mining ASIC for the LBC? Things would really speed up with couple of antminers.

On the other hand, could one search for wallets by brute forcing the 12 phrase keywords?

ASIC miners are only used for mining bitcoins and that's it, not cracking private keys.

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December 21, 2017, 11:41:03 PM
Last edit: December 21, 2017, 11:56:17 PM by BurtW
 #270

On the other hand, could one search for wallets by brute forcing the 12 phrase keywords?

The number of possible words for each of the 12 words is 2048 so the total number of 12 word combinations is:

204812 = 5.44452 x 1039

That is for the weaker 12 word seeds.  I use the Trezor wallet which uses a 24 word seed so for my wallet the number of possible ways to select the 24 words is:

204824 = 2.96428 x 1079

Compare these numbers to the total number of Bitcoin addresses:

2160 = 1.46150 x 1048

and the total number of private/public key pairs:

2256 = 1.15792 x 1077

First, you see that you should really be using a 24 word seed and not a 12 word seed.

Next, I believe the amount of work to go from the seed words to the xPriv then to the xPub then to the generated Bitcoin addresses is more than the amount of work LBC does to calculate the next private key [just a simple increment], the next public key [just add G to the previous public key], then to the Bitcoin address.

So, going through all the possible 12 word seeds is "harder" than going through all the Bitcoin addresses on a Bitcoin addresses / second basis.

Plus, after going through all the possible 12 word seeds you will only hit about 204812 / 2160 = 0.00000037253 % of all Bitcoin addresses.

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December 25, 2017, 09:19:01 AM
 #271

Salve! Do you have instructions for new setting GPU? On i7-4820K 3.7GHz I had 3.9 million keys. Plugged gf 1050ti and now have speed 22 million.
nvidia-smi shows 6 processes with 561MiB and 4 with 49MiB. Changing --cpus from 6 to 20 doesn't matter, speed is around 21-22 millions keys.
Shouldn't be 35?

nvidia-smi -pm 1 did nothing.
With --cpus 6 I have
GPU-Utilization 60% and CPU utilization 80%. So what is bottleneck?

Temp is low (40C).
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December 27, 2017, 05:40:27 AM
 #272

Interesting project. Any wallet miner asics work in progress yet?

Once this attracts real size io/hashpower, could get interesting rather quick lol

One way to make it happen, how about a bounty pot bitcoiners/donors can donate to - would maybe motivate to mine it

¯\_(ツ)_/¯
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December 27, 2017, 08:23:15 AM
 #273

wallet miner asics work in progress yet?
a bounty pot bitcoiners/donors can donate to

The donation pot cannot collect couple of BTC for GPU development  Roll Eyes

ASIC development costs around $10-100MLN.

The worst thing is - even if you get an investor with 100 megabucks, the chinese will steal your tech and start flooding the market with cheap clones.

I guess, LBC (or it's clone projects) should go the BTC way - CPU-GPU-FPGA-ASIC... GPU is still immature, no FPGA. You want too much.
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December 27, 2017, 08:56:17 AM
Last edit: December 27, 2017, 09:09:36 AM by aurigae
 #274

wallet miner asics work in progress yet?
a bounty pot bitcoiners/donors can donate to

The donation pot cannot collect couple of BTC for GPU development  Roll Eyes

ASIC development costs around $10-100MLN.

The worst thing is - even if you get an investor with 100 megabucks, the chinese will steal your tech and start flooding the market with cheap clones.

I guess, LBC (or it's clone projects) should go the BTC way - CPU-GPU-FPGA-ASIC... GPU is still immature, no FPGA. You want too much.


10-100m? well - whats that compared to the loot Smiley

i guess its not about computation power anyways but IO. Dont have the means to test on a decent cluster - would love to do some benchmarking xD
looking for a donor lol https://www.ebay.de/itm/HP-BladeSystem-C7000-16x-BL460c-Gen8-4096GB-RAM-32x-Xeon-E5-2660v2-10-Core/222609616134?hash=item33d4912d06:g:HtsAAOSw6VRaJlHk

¯\_(ツ)_/¯
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December 29, 2017, 11:13:16 PM
 #275

I have a Intel(R) Xeon(R) CPU E3-1270 v6 @ 3.80GHz server and I want to do some tests with it..
Can anyone give me a step by step guide for install lbc on centos? I tried but I'm pretty noob with Linux OS.
Thanks in advance

P.S.
Is that server good for this?
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December 30, 2017, 05:54:33 AM
Last edit: December 30, 2017, 01:05:07 PM by holy_ship
 #276

10-100m? well - whats that compared to the loot Smiley

If you recover wallet with 79k BTC, the loot is more than 10-100m. But it is not abandoned.

p.s. the "loot" is actually, not what you get from wallets, but what hunters are willing to pay for ASICs. It might be a larger sum, than actual finding.

By the way, I've read that there was a lot of fraud with crowdfunding of ASICs. People payed and had to wait forever...

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December 30, 2017, 06:41:33 AM
 #277

I have a Intel(R) Xeon(R) CPU E3-1270 v6 @ 3.80GHz server and I want to do some tests with it..
Can anyone give me a step by step guide for install lbc on centos? I tried but I'm pretty noob with Linux OS.

On 6core (12ht) server you'll get around 3-4 million keys a second. It is 0.1% of pools speed.


For CentOS7 (if you are NOT root, but privileged user)
If root remove sudo

sudo rpm -vi http://dl.fedoraproject.org/pub/epel/7/x86_64/Packages/o/ocl-icd-2.2.11-2.el7.x86_64.rpm
sudo yum -y install cpan perl openssl-devel wget make gcc bzip2

sudo cpan Log::Log4perl LWP::UserAgent Net::SSLeay LWP::Protocol::https Parallel::ForkManager Term::ReadKey JSON

wget https://lbc.cryptoguru.org/static/client/LBC
chmod 755 LBC

./LBC --cpus 12 -x
nohup ./LBC --cpus 12 > logg &
tailf logg


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December 30, 2017, 01:49:21 PM
 #278

Hi Rico,

I started being involved in LBC pool a few days ago, I got over 3000 Gkeys, and would like to try with GPU on a local machine and on AWS. If I do:
Code:
./LBC -q --gpu

I got:
Code:
OpenCL diganotics written.
GPU authorized: no

Is the threshold of 3000 Gkeys still used?

My id is : peter_doe

Regards,



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December 30, 2017, 06:45:14 PM
 #279

Hi Rico,

I started being involved in LBC pool a few days ago, I got over 3000 Gkeys, and would like to try with GPU on a local machine and on AWS. If I do:
Code:
./LBC -q --gpu

I got:
Code:
OpenCL diganotics written.
GPU authorized: no

Is the threshold of 3000 Gkeys still used?

My id is : peter_doe

Regards,


Got a reply on discord,
GPU is enabled now.

Thanks Rico
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January 01, 2018, 01:43:05 PM
Last edit: January 03, 2018, 05:23:40 AM by ZafotheNinja
 #280

The other thread is depreciated?

So, being new here in general as well as this thread I may just be ignorant but I have to ask.

If the goal of this project is to find collisions and the best way to find one is if an "owner" comes forward claiming their wallet was stolen by LBC, then why is the LBC only searching addresses that have balances "up to 1 Satoshi"? Especially given that the average bitcoin holder has a balance of 2 bits (0.0002 btc)?

I get the whole "we are searching for collisions, not trying to crack wallets" but it seems to me that you get just as many abandoned wallets with small balances as you do with large balances and that the ideal search space should be in the average balance range of 2 bits. (For that matter I would crank the number up to the 20-150 bit range considering that a guy with $20 or more in it is a lot more likely to seek out why his btc have gone missing)

I have read the entire thread as well as have used the search box and Google, however I have yet to come to an answer for this seemingly obvious question.

Edit: According to the "trophies" page the balances are 0.1 to 79 bits (0.00001 to 0.0079 btc) not 1 Satoshi? Regardless the question remains the same.
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