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Author Topic: Vanitygen: Vanity bitcoin address generator/miner [v0.22]  (Read 1119103 times)
Indianacoin
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October 08, 2015, 04:01:35 PM
 #2421

Thanks shorena and Timelord2067 for taking time on finding the addresses for me Cheesy

Donation goes along your way Wink
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BitcoinStriker
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October 15, 2015, 03:54:20 PM
 #2422

My PC is rather slow, could anyone help me out finding a adress with"WaterBTC" in it, or WaterBtc, waterbtc, or something like that.

Hello.
Is it me you are looking for?
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October 15, 2015, 06:07:18 PM
 #2423

My PC is rather slow, could anyone help me out finding a adress with"WaterBTC" in it, or WaterBtc, waterbtc, or something like that.

There are some details missing here.  You need to look into the split-key method for getting someone else to generate you a private key part which doesn't reveal to them the entire private key and which they can share with you in such a way that you can recombine it with your pubkey and private key part.  Basically, you'll need to do a few more steps in order to make sure that you can get a private key which no one else knows.
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October 16, 2015, 01:35:12 AM
 #2424

My PC is rather slow, could anyone help me out finding a adress with"WaterBTC" in it, or WaterBtc, waterbtc, or something like that.

There are some details missing here.  You need to look into the split-key method for getting someone else to generate you a private key part which doesn't reveal to them the entire private key and which they can share with you in such a way that you can recombine it with your pubkey and private key part.  Basically, you'll need to do a few more steps in order to make sure that you can get a private key which no one else knows.

Or post a request for it on the website and put a generous bounty ^_^

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October 18, 2015, 08:16:10 PM
 #2425

I'm new to this...

What is that 50% in xx time for when generating an address??
it means you'll reach a 50% chance of having your address generated in xx time. for example if it says 50% in 2hours that means your address should take around 4 hours and youll have a 50% chance of having your address in 2hours
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October 18, 2015, 08:16:14 PM
 #2426

I'm new to this...

What is that 50% in xx time for when generating an address??

It means you have 50% chance of finding an address in those hours.
shorena
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October 18, 2015, 08:52:51 PM
 #2427

I'm new to this...

What is that 50% in xx time for when generating an address??
it means you'll reach a 50% chance of having your address generated in xx time. for example if it says 50% in 2hours that means your address should take around 4 hours and youll have a 50% chance of having your address in 2hours

You can never reach 100% for sure. Same as mining there is no progress you can make towards the address you are looking for. It just gets increasingly unlikely to not find a solution.
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October 18, 2015, 09:01:16 PM
 #2428

I'm new to this...

What is that 50% in xx time for when generating an address??
it means you'll reach a 50% chance of having your address generated in xx time. for example if it says 50% in 2hours that means your address should take around 4 hours and youll have a 50% chance of having your address in 2hours

You can never reach 100% for sure. Same as mining there is no progress you can make towards the address you are looking for. It just gets increasingly unlikely to not find a solution.
well realistically thats true but in the program doesnt it find the probability of finding that address say 1/40000000 then uses that number to give a percentage meaning it should technically show 100% at 40000000
Stroto
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October 18, 2015, 09:21:14 PM
 #2429

thanks guys.. I didn't read all yet  Roll Eyes and figured it out before checking back here.
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October 20, 2015, 05:48:47 PM
 #2430

So another question...

is it possible to run the oclvanitygen and stop and safe it and later continue?

Or are -f -o -s only for the actual found addresses?
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October 20, 2015, 06:26:54 PM
 #2431

So another question...

is it possible to run the oclvanitygen and stop and safe it and later continue?

Or are -f -o -s only for the actual found addresses?
It depends a bit on what you would consider a 'save' state.
-f --> input file
The input file of the matches you want to find, if the -k is not used a found match would be scratched of the list.
Restarting would put it back on the list.
-o --> output file
output file, no change here with start/restart. all found matches will be appendend.
-s --> seed file for randomness.
This is a tricky one. The brute force search requires a high entropy source for the EC-Points generation to be truly random.
If you have a system that has a more psuedo random entropy source; i.e. a possiblity to repeat the randomness in a set time,
and you might end up generating the same sequence of addresses all the time.
Using a seed file to bring in more randomess could help here.

Most OS-systems use a combination of randomness like CPU temp, time, HDD temp, HDD head locations etc to generate something true random.
I don't know if this the same case when a GPU is used.
So in a restart, if you are using -s, I would advice to use a different file each time you restart.
 

Slow but steady Android coin mining with NeoNeonMiner
BTC:1NeoArmnGyWHKfbje9JNWqw3tquMY7jHCw
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October 20, 2015, 06:30:45 PM
 #2432

So another question...

is it possible to run the oclvanitygen and stop and safe it and later continue?

Or are -f -o -s only for the actual found addresses?
It depends a bit on what you would consider a 'save' state.
-f --> input file
The input file of the matches you want to find, if the -k is not used a found match would be scratched of the list.
Restarting would put it back on the list.
-o --> output file
output file, no change here with start/restart. all found matches will be appendend.
-s --> seed file for randomness.
This is a tricky one. The brute force search requires a high entropy source for the EC-Points generation to be truly random.
If you have a system that has a more psuedo random entropy source; i.e. a possiblity to repeat the randomness in a set time,
and you might end up generating the same sequence of addresses all the time.
Using a seed file to bring in more randomess could help here.

Most OS-systems use a combination of randomness like CPU temp, time, HDD temp, HDD head locations etc to generate something true random.
I don't know if this the same case when a GPU is used.
So in a restart, if you are using -s, I would advice to use a different file each time you restart.
 
(ocl)vanitygen is using OpenSSL's PRNG.

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Stroto
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October 20, 2015, 06:43:42 PM
 #2433

Thanks that helps a lot
Stroto
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October 22, 2015, 11:38:07 AM
Last edit: October 22, 2015, 11:52:08 AM by Stroto
 #2434

ok why if I put this command in:

oclvanitygen.exe -k -p 1  1-[-_][-_][-_][-_][-_]-[-_]- wherein a - is an uppercase and a _ is a lowercase character (example 1A[Aa][Aa][Aa][Aa][Aa]A[Aa]A)

I get the response:

Invalid character '[' in prefix?

xhomerx10
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October 22, 2015, 11:59:19 AM
 #2435

ok why if I put this command in:

oclvanitygen.exe -k -p 1  1-[-_][-_][-_][-_][-_]-[-_]- wherein a - is an uppercase and a _ is a lowercase character (example 1A[Aa][Aa][Aa][Aa][Aa]A[Aa]A)

I get the response:

Invalid character '[' in prefix?



 Are you using a special version of oclvanitygen?  Normally you have to use the -r for regular expressions but that only works in vanitygen and not the ocl version.
ie you can't normally use oclvanitygen with regular expressions.

Stroto
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October 22, 2015, 12:13:14 PM
 #2436

ohw so it only works with -r and not as 1prefix

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October 22, 2015, 02:39:57 PM
 #2437

I just got a machine which is supposed to have an Intel GPU onboard.  I was trying to run an ocl program (this is on debian) so I downloaded the beignet package and it seems to install fine.  But when I try oclvanitygen (or other ocl programs I get these messages).

Code:
platform 0: vendor 'Intel'
Failed to release test userptr object! (9) i915 kernel driver may not be sane!
Failed to release test userptr object! (9) i915 kernel driver may not be sane!
Failed to release test userptr object! (9) i915 kernel driver may not be sane!
Failed to release test userptr object! (9) i915 kernel driver may not be sane!
  device 0: 'Intel(R) HD Graphics BroadWell U-Processor GT2'

Any suggestions?  I saw a bug report for the beignet package which referred to this userptr message.  I'm not expert on ocl stuff, but I think some of you guys are.

tyz
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October 31, 2015, 03:47:59 PM
 #2438

I downloaded the most recent version from github and tried to install it on my Mac. When I enter the folder and do a 'make' then I got the following error:

pattern.c:32:10: fatal error: 'pcre.h' file not found

Any suggestions?
peligro
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October 31, 2015, 06:45:50 PM
 #2439

I'm assuming you have brew and cmake..and ideally python-pip installed?
Polyatomic
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October 31, 2015, 09:08:53 PM
Last edit: November 09, 2015, 09:45:09 AM by Polyatomic
 #2440

I downloaded the most recent version from github and tried to install it on my Mac. When I enter the folder and do a 'make' then I got the following error:

pattern.c:32:10: fatal error: 'pcre.h' file not found

Any suggestions?

I'm thinking the missing development header up there "pcre.h"  is in the package pcre
(on my rig i have pcre-8.37).
The PCRE package contains Perl Compatible Regular Expression libraries.
These are useful for implementing regular expression pattern matching using the same
syntax and semantics as Perl 5.

Now - nfi how to get that on a Mac and why thats not on there to begin with(some portability
reason I'm thinking). Maybe a careful observer in here can comment on that.

Its always a good idea to know explicitly whats needed before installing random packages
and sodomizing your rig, so I can't recommend building from source.

Gluck and sorry for the noise.
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