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Author Topic: Create vanity bitcoin addresses four times as fast  (Read 31270 times)
lifeboat
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December 10, 2013, 12:59:44 AM
 #81

tried uninstalling 13.11 running this, and installing Catalyst 12.10 and no go
still CPU and GPU hash messages

Another solution is to download http://lifeboat.com/opencl.dll and put that in the same directory as oclvanitygen.exe. (That is the 64-bit version of opencl.dll.)

Learn about the world's first bitcoin endowment fund at https://lifeboat.com/ex/bitcoin

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lifeboat
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December 10, 2013, 01:11:31 AM
 #82

Well I wouldn't have enough trust in someone to buy a vanity address off them. They would have my private key and they could access my coins anytime.

https://bitcoinvanity.appspot.com/ uses a two step process so they don't have your private key. Of course, it would still be a bit safer to generate the vanity address on your own.

Learn about the world's first bitcoin endowment fund at https://lifeboat.com/ex/bitcoin

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lifeboat
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December 10, 2013, 07:57:04 AM
 #83

what's the deal with getting 1Lifeboat, why is 1 Lifeboat important?

We are the Lifeboat Foundation. See https://lifeboat.com/ex/bitcoin

Learn about the world's first bitcoin endowment fund at https://lifeboat.com/ex/bitcoin

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ratty
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December 10, 2013, 10:14:21 PM
 #84

Hey I was wondering, would it work if you hacked it so it generated address with 0,O,1 or L characters? Its against the spec, but I wonder if it would just work if you just did it anyway? If it can work, that would be a fun feature to add.
I'm having fun with Dogecoin, and I wanted to make the vanity address Dogewow and other stuff like that, but it wont let me make an address with an "o", so I am much sad. Smiley
http://dogecoin.com/
lifeboat
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December 11, 2013, 08:22:29 AM
 #85

If it can work, that would be a fun feature to add. I'm having fun with Dogecoin

Show me an example of a working Dogecoin address that uses these illegal characters. (1 and L are legal characters.)

Actually all the characters in 1Dogewow are legal so I'm not sure what you are talking about.

Learn about the world's first bitcoin endowment fund at https://lifeboat.com/ex/bitcoin

Donate at 1LifeboatVPg24QghZ73Dzrx8AxcJLCnoA
jongameson
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December 13, 2013, 12:45:39 AM
 #86

tried uninstalling 13.11 running this, and installing Catalyst 12.10 and no go
still CPU and GPU hash messages

Another solution is to download http://lifeboat.com/opencl.dll and put that in the same directory as oclvanitygen.exe. (That is the 64-bit version of opencl.dll.)

do u have the 32-bit version?    Roll Eyes
rudyo
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December 13, 2013, 01:07:21 AM
 #87

Cool project!

I am having trouble though.  Here is my setup:

Sapphire 7950 GPU
Windows 7 Pro 64 bit

Using the 12.10 drivers and 2.7 SDK

I try the following at the prompt and it just returns me to the prompt without doing any processing. 
Am I not specifying my GPU correctly? What am I doing wrong?


C:\Drivers\oclvanitygen>oclvanitygen64 -v -d 1:0 1Dan
Prefix difficulty:                77178 1Dan
Difficulty: 77178
Available OpenCL platforms:
0: [NVIDIA Corporation] NVIDIA CUDA
  0: [NVIDIA Corporation] GeForce 8800 GT
1: [Advanced Micro Devices, Inc.] AMD Accelerated Parallel Processing
  0: [Advanced Micro Devices, Inc.] Tahiti
  1: [GenuineIntel]        Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz
C:\Drivers\


Any help appreciated!
ratty
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December 13, 2013, 04:49:08 AM
 #88

If it can work, that would be a fun feature to add. I'm having fun with Dogecoin

Show me an example of a working Dogecoin address that uses these illegal characters. (1 and L are legal characters.)

Actually all the characters in 1Dogewow are legal so I'm not sure what you are talking about.

You misunderstood me completely. I wasn't asserting anything, I was just asking if illegal characters actually break anything. If an implementation ignored it and generated an address with 1, L, 0 or o, would every program just reject it, or would they not care? I have seen bitcoin addresses with those supposedly illegal characters, so it got me wondering what would happen if vanitygen generated these for various altcoins. I would love to try it and test if the safety check could be disabled. Or does bitcoin and all altcoins use a slightly different addressing system that allows bitcoin addresses to have "o" in them?
If this just bores you, don't worry about it, just move on. No need to waste time on it unless it is interesting to you. I just had an idea and wanted to share it, if it is just going to irritate you then please just ignore this, I won't mind.
rudyo
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December 13, 2013, 05:27:07 AM
 #89

Cool project!

I am having trouble though.  Here is my setup:

Sapphire 7950 GPU
Windows 7 Pro 64 bit

Using the 12.10 drivers and 2.7 SDK

I try the following at the prompt and it just returns me to the prompt without doing any processing. 
Am I not specifying my GPU correctly? What am I doing wrong?


C:\Drivers\oclvanitygen>oclvanitygen64 -v -d 1:0 1Dan
Prefix difficulty:                77178 1Dan
Difficulty: 77178
Available OpenCL platforms:
0: [NVIDIA Corporation] NVIDIA CUDA
  0: [NVIDIA Corporation] GeForce 8800 GT
1: [Advanced Micro Devices, Inc.] AMD Accelerated Parallel Processing
  0: [Advanced Micro Devices, Inc.] Tahiti
  1: [GenuineIntel]        Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz
C:\Drivers\


Any help appreciated!
I fixed my problem, lowercase d vs. Capital D!  I hate when that happens!

On another note I am getting between 20 and 22 Mkeys/s with my Sapphire Dual-X 7850 using 12.10 drivers and 2.7 SDK on Windows 7 Pro.  That seems decent, but is there anything to enhance that? 

Here are the results of a hash going on, does everything seem normal?

C:\Drivers\oclvanitygen>oclvanitygen64.exe -v -D 1:0 -k -o output1.txt 123456789

Prefix difficulty:       51529903411245 123456789
Difficulty: 51529903411245
Device: Tahiti
Vendor: Advanced Micro Devices, Inc. (1002)
Driver: CAL 1.4.1741 (VM)
Profile: FULL_PROFILE
Version: OpenCL 1.1 AMD-APP (851.4)
Max compute units: 28
Max workgroup size: 256
Global memory: -1073741824
Max allocation: -1344274432
OpenCL compiler flags: -DDEEP_PREPROC_UNROLL -DVERY_EXPENSIVE_BRANCHES -DDEEP_VL
IW
Loading kernel binary aa547d27f6721a626c942a8735a17ef7.oclbin
Grid size: 3584x2048
Modular inverse: 7168 threads, 1024 ops each
Using OpenCL prefix matcher
GPU idle: 9.45%
[21.64 Mkey/s][total 11046748160][Prob 0.0%][50% in 19.1d]
lifeboat
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December 13, 2013, 06:39:50 AM
 #90

tried uninstalling 13.11 running this, and installing Catalyst 12.10 and no go
still CPU and GPU hash messages

Another solution is to download http://lifeboat.com/opencl.dll and put that in the same directory as oclvanitygen.exe. (That is the 64-bit version of opencl.dll.)

do u have the 32-bit version?    Roll Eyes

http://lifeboat.com/32/opencl.dll

Learn about the world's first bitcoin endowment fund at https://lifeboat.com/ex/bitcoin

Donate at 1LifeboatVPg24QghZ73Dzrx8AxcJLCnoA
lifeboat
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December 13, 2013, 06:54:49 AM
 #91

On another note I am getting between 20 and 22 Mkeys/s with my Sapphire Dual-X 7850 using 12.10 drivers and 2.7 SDK on Windows 7 Pro.  That seems decent, but is there anything to enhance that?"

You can go faster with compressed keys, so add "-F compressed" to your command line options.



Learn about the world's first bitcoin endowment fund at https://lifeboat.com/ex/bitcoin

Donate at 1LifeboatVPg24QghZ73Dzrx8AxcJLCnoA
rudyo
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December 13, 2013, 06:57:24 AM
 #92

On another note I am getting between 20 and 22 Mkeys/s with my Sapphire Dual-X 7850 using 12.10 drivers and 2.7 SDK on Windows 7 Pro.  That seems decent, but is there anything to enhance that?"

You can go faster with compressed keys, so add "-F compressed" to your command line options.



I don't understand compressed keys... what are their limitations?  Can they be used just the same as a "normal" key?
lifeboat
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December 13, 2013, 07:05:17 AM
 #93

I wasn't asserting anything, I was just asking if illegal characters actually break anything.

They do.

Learn about the world's first bitcoin endowment fund at https://lifeboat.com/ex/bitcoin

Donate at 1LifeboatVPg24QghZ73Dzrx8AxcJLCnoA
lifeboat
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December 13, 2013, 07:07:25 AM
 #94

Can they be used just the same as a "normal" key?

Yes.

I don't understand compressed keys... what are their limitations?  Can they be used just the same as a "normal" key?

The difference is minor and all bitcoin clients now accept them. Their limitation is that old bitcoin clients couldn't accept them.

Learn about the world's first bitcoin endowment fund at https://lifeboat.com/ex/bitcoin

Donate at 1LifeboatVPg24QghZ73Dzrx8AxcJLCnoA
jongameson
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December 13, 2013, 07:28:47 PM
 #95

tried uninstalling 13.11 running this, and installing Catalyst 12.10 and no go
still CPU and GPU hash messages

Another solution is to download http://lifeboat.com/opencl.dll and put that in the same directory as oclvanitygen.exe. (That is the 64-bit version of opencl.dll.)

do u have the 32-bit version?    Roll Eyes

http://lifeboat.com/32/opencl.dll

Thanks for the help, but nope still doesn't work

C:\Users\Jon\DOWNLO~1\vanitygen-0.20-win>oclvanitygen -d 0 1g
Difficulty: 1353
Match idx: 0
CPU hash: 5652cdedc0ad1435005725b8eba25a6b752eb22a
GPU hash: 076d1c906ac7c506b844e81b3caf66189317adcb
Found delta: 7334337 Start delta: 1
[3.56 Mkey/s][total 7340032]
atch idx: 0
CPU hash: c6c089c29d003c26d659894dca0d598e985608ff
GPU hash: 077e6dd277e08cf110426055b2b03851cb17f00d
Found delta: 7335958 Start delta: 1
[4.94 Mkey/s][total 14680064]
lifeboat
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December 14, 2013, 08:46:45 AM
 #96

Thanks for the help, but nope still doesn't work

C:\Users\Jon\DOWNLO~1\vanitygen-0.20-win>oclvanitygen -d 0 1g

Do a dir for your "vanitygen-0.20-win" directory so I can see what is in it. Hopefully it contains the files that
we provide at http://lifeboat.com/oclvanitygen

Learn about the world's first bitcoin endowment fund at https://lifeboat.com/ex/bitcoin

Donate at 1LifeboatVPg24QghZ73Dzrx8AxcJLCnoA
dishwara
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December 21, 2013, 02:31:49 PM
 #97

tried uninstalling 13.11 running this, and installing Catalyst 12.10 and no go
still CPU and GPU hash messages

Another solution is to download http://lifeboat.com/opencl.dll and put that in the same directory as oclvanitygen.exe. (That is the 64-bit version of opencl.dll.)

do u have the 32-bit version?    Roll Eyes

http://lifeboat.com/32/opencl.dll

Thanks for the help, but nope still doesn't work

C:\Users\Jon\DOWNLO~1\vanitygen-0.20-win>oclvanitygen -d 0 1g
Difficulty: 1353
Match idx: 0
CPU hash: 5652cdedc0ad1435005725b8eba25a6b752eb22a
GPU hash: 076d1c906ac7c506b844e81b3caf66189317adcb
Found delta: 7334337 Start delta: 1
[3.56 Mkey/s][total 7340032]
atch idx: 0
CPU hash: c6c089c29d003c26d659894dca0d598e985608ff
GPU hash: 077e6dd277e08cf110426055b2b03851cb17f00d
Found delta: 7335958 Start delta: 1
[4.94 Mkey/s][total 14680064]
For those who cant able to still run oclvanitygen, getting found delta, start delta.....
Just use driver uninstaller, i used this DDU from http://www.guru3d.com/files_details/display_driver_uninstaller_download.html.
unzip it in a folder in desktop, restart system in safe mode, run Display Driver Uninstaller.exe, select AMD-> Clean and restart.
It will remove all amd drivers & restart system.
Now just install 12.10 driver & everything works fine.

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rudyo
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January 21, 2014, 05:51:21 AM
 #98

Now that I am generating a few vanity addresses, I find that I notice them being used more.  I have seen several addresses with all alpha characters (other than the starting 1).  For example: 1KwfycruidwMjexDhZWkXBNjyJayJgKuAC

Can these be created with oclvanity?  I looked but didn't see a switch for alpha characters only.

Is it possible to do alpha only, all caps or all lower case?

Thanks! 

deepceleron
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January 21, 2014, 05:54:37 AM
 #99

opencl vanitygen is only coded to find a prefix. You'll have to use cpu vanitygen to use regular expressions.

All alpha-bits is quite hard, especially with a lowercase first letter.

lifeboat
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January 23, 2014, 07:57:47 PM
 #100

opencl vanitygen is only coded to find a prefix. You'll have to use cpu vanitygen to use regular expressions.

You could use the -o option to output results to a file and then use another program to search that file with regular expressions.

Learn about the world's first bitcoin endowment fund at https://lifeboat.com/ex/bitcoin

Donate at 1LifeboatVPg24QghZ73Dzrx8AxcJLCnoA
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