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Author Topic: Vanitygen: Vanity bitcoin address generator/miner [v0.22]  (Read 1137290 times)
TheRealSteve
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July 10, 2015, 08:44:32 PM
 #2241

If vanitygen.exe is on your path and your current directory isn't the dir where vanitygen.exe is located, then the file will be saved to the current directory instead.
And then they try to use oclvanitygen and have to jump through further hoops to avoid calc_addrs.cl not being found (see further up).  I'd personally just as soon discourage running any flavor of vanitygen outside of its own directory.

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July 10, 2015, 09:38:06 PM
 #2242

If vanitygen.exe is on your path and your current directory isn't the dir where vanitygen.exe is located, then the file will be saved to the current directory instead.
And then they try to use oclvanitygen and have to jump through further hoops to avoid calc_addrs.cl not being found (see further up).  I'd personally just as soon discourage running any flavor of vanitygen outside of its own directory.

On Windows systems, perhaps. Windows was never known for its good file organization or path handling.

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TheRealSteve
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July 10, 2015, 09:40:01 PM
 #2243

On Windows systems, perhaps. Windows was never known for its good file organization or path handling.
Ain't that the truth Smiley

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July 11, 2015, 08:06:07 AM
 #2244

It's working on Windows 8.1? I can not launch Sad
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July 11, 2015, 10:07:08 AM
 #2245

It's working on Windows 8.1? I can not launch Sad
Detail exactly what you're trying to launch, how you're trying to launch it, and what error(s) - if any - you get Smiley

my preferred way to launch (ocl)vanitygen.exe is by opening a command line window (start > run > "cmd", or through metro, start typing "command prompt" (en version, localize if using different language), make sure I'm in the vanitygen folder using the 'cd' command (e.g. 'cd d:\bitcoin\vanitygen'), and then running vanitygen (e.g. 'vanitygen.exe 1pattern').  That way the working dir is set up right, and any errors vanitygen itself gives are readable on the screen.

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July 11, 2015, 10:35:36 AM
 #2246

It's working on Windows 8.1? I can not launch Sad
Detail exactly what you're trying to launch, how you're trying to launch it, and what error(s) - if any - you get Smiley

my preferred way to launch (ocl)vanitygen.exe is by opening a command line window (start > run > "cmd", or through metro, start typing "command prompt" (en version, localize if using different language), make sure I'm in the vanitygen folder using the 'cd' command (e.g. 'cd d:\bitcoin\vanitygen'), and then running vanitygen (e.g. 'vanitygen.exe 1pattern').  That way the working dir is set up right, and any errors vanitygen itself gives are readable on the screen.
My way to run is same, but a black window appears for a split-second and disappears.
http://i.imgur.com/ih3ZbVh.png
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July 11, 2015, 11:21:28 AM
 #2247

You seem to be running
Code:
start vanitygen.exe
try just
Code:
vanitygen.exe
.  The 'start' command will cause windows to open a new command console with the application in it, which closes as soon as the application exits; in this case, right after vanitygen displays its help Smiley

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July 11, 2015, 12:00:21 PM
 #2248

You seem to be running
Code:
start vanitygen.exe
try just
Code:
vanitygen.exe
.  The 'start' command will cause windows to open a new command console with the application in it, which closes as soon as the application exits; in this case, right after vanitygen displays its help Smiley
I tried, but it still opens a new window and disappears.
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July 11, 2015, 12:16:41 PM
 #2249

You seem to be running
Code:
start vanitygen.exe
try just
Code:
vanitygen.exe
.  The 'start' command will cause windows to open a new command console with the application in it, which closes as soon as the application exits; in this case, right after vanitygen displays its help Smiley
I tried, but it still opens a new window and disappears.

It is not a GUI program, you must run it with the appropriate arguments.

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July 11, 2015, 12:38:09 PM
 #2250

It is not a GUI program, you must run it with the appropriate arguments.
As long as it's done in a command line window, it shouldn't be opening a new window, and in the existing window it would just spit out its help, e.g.:


MaoChao: Try making a batch file (say, "vanitygen.bat"), containing these lines:
Code:
vanitygen.exe
pause
Save that (As "vanitygen.bat", make sure it doesn't end up as "vanitygen.bat.txt" or something like that) in the same folder as vanitygen.exe, then try running the batch file (can do so from explorer or other file manager), see what happens.

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July 11, 2015, 12:57:13 PM
 #2251

Nothing Sad
http://i.imgur.com/FbysAqQ.png
http://i.imgur.com/jOXZba8.png (it's mean - Press any key to continue)
TheRealSteve
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July 11, 2015, 01:12:06 PM
 #2252

Nothing Sad
http://i.imgur.com/FbysAqQ.png
http://i.imgur.com/jOXZba8.png (it's mean - Press any key to continue)
Weird.  Some old thread on the interwebs suggests running the command console as administrator fixes it, but I can't really recommend that.

At least it should actually be running.. albeit in a different window.  So follow Vortex20000's advice, change the .bat file to:
Code:
vanitygen64.exe 1test
pause
See if the second window that opens then stays open and shows vanitygen trying to find the '1test' prefix.

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July 11, 2015, 01:20:52 PM
 #2253

Yeah! I start cmd.exe as administrator and now all works (oclvanitygen too)!
Big thanks TheRealSteve!


38 Mkey/s it's normal for GTX 970?
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July 11, 2015, 01:48:19 PM
 #2254

Tnx everyone for the help,
update:
The -o is working,(windows 7)it should look like this to be done c:\vanitygen folder\oclvanitygen   -o c:\abc.txt -k 1bitcointallk
By the way what you guys think about those "special" addresses? you think its have some extra added value in some way? perhaps in the future people will use it in some interesting way ? even though it hurts anonymity I'm pretty sure it's possible to combine it with interesting features like coinjoin/mix and stealth addresses to create some safe&secure wallet or payment service with anonymity...
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July 11, 2015, 03:08:12 PM
 #2255

38 Mkey/s it's normal for GTX 970?
Possibly.  Unfortunately not enough people use (ocl)vanitygen to get a good idea of what performance for various hardware is.  I've been asking cryptomining-blog.com to include vanitygen tests in benchmarks for new cards they test, to no avail as of yet.

There's some old measures in https://en.bitcoin.it/wiki/Vanitygen_keysearch_rate , which should probably be merged into https://en.bitcoin.it/wiki/Vanitygen which also has some measures.



By the way what you guys think about those "special" addresses? you think its have some extra added value in some way? perhaps in the future people will use it in some interesting way ? even though it hurts anonymity I'm pretty sure it's possible to combine it with interesting features like coinjoin/mix and stealth addresses to create some safe&secure wallet or payment service with anonymity...
They're still just vanity addresses.  You can generate 1itskok... but so can I.  You can generate 1itskokandthensome and it'd take me forever to generate another one, but given enough hardware and/or time, I still could.. so you still couldn't rely on it for exact identification purposes.

A special case of 'vanity' addresses, FirstBits, had some value and utility a long time ago but has largely gone out of vogue (which is a shame, as it's a solid concept that only needs a little bit of expansion for greater utility).  FirstBits basically trawled through the blockchain looking for the very first occurrence of 1something..., and returned the matching address.  So if you wanted to send Bitcoin to the owner of that very first occurrence of 1something..., you could just enter '1something' and call it a day ( presuming you'd trust the service to be coded right Smiley )

This is different from online databases that work like url shorteners as there's no centralized authority on who owns the first occurrence of '1something'.  Recently another decentralized blockchain identity service - BitAlias - was introduced which might be promising, but is completely unrelated to vanity addresses; it's also rather more generic and could be used for a whole host of other things - but that's for a different thread [reddit.com search].

All of the above is ignoring the issues with address re-use, etc.

tl;dr: No, I don't really see them having any value beyond exactly what they are: a vanity Smiley

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July 11, 2015, 06:58:22 PM
 #2256

Well thats interesting tnx,
I am asking that question because i am trying to develop my own "identity" solution on blockchain  Wink
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July 12, 2015, 02:25:03 AM
 #2257

If you are having issues opening vanitygen, try running it from a command prompt

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July 13, 2015, 04:54:30 PM
 #2258

I'm running vanitygen from this fork, and calling it like so
Code:
vanitygen -q -F compressed -t 1 1
I noticed that I would occasionally not be able to import some of the keys because bitcoin core (v0.10) would report them as having an invalid key format.  blockchain.info also reports they're bad with this message: Wrong number of bytes for a private key, not 32 or 33. But bitaddress.org has no problem with them, though it does give a different address for the key than vanitygen . A couple of examples of invalid keys:
  • KwFPvj9FVuD9f9ZBJtXLWaC7cH159P1zmTYiEVZYCWRrQ1P3UGGc
  • KwELQNYCSqzhK1B8e7vcbab9QBY8jsJLdfu4VehquJT8p3eeRkeD
TheRealSteve
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July 13, 2015, 05:12:21 PM
 #2259

1. Probably shouldn't be using that fork, check out Kangaderoo's fork instead - unless Wyse's fork has something unique in it.
2. vanitygen is also not really intended for generating non-vanity addresses (which is what you're doing if you only specify the leading '1' as the prefix).  There's better ways to generate a bunch of keys Smiley
3. Still, out of curiosity, what are the claimed matching public keys according to the output?

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July 13, 2015, 06:33:33 PM
 #2260

1. Probably shouldn't be using that fork, check out Kangaderoo's fork instead - unless Wyse's fork has something unique in it.
There are 225 forks of samr7's original version, which you can see here: https://github.com/samr7/vanitygen/network . Kangaderoo's version isn't a real fork in github's view and it has 0 people following it. So how is his version more trustworthy? Also, his version doesn't even compile on OS X.
Quote
2. vanitygen is also not really intended for generating non-vanity addresses (which is what you're doing if you only specify the leading '1' as the prefix).  There's better ways to generate a bunch of keys Smiley

Such as? The only other methods I know of are messing with the keypool from bitcoin core and using the bulk option from bitaddress.org, neither method lends itself to programmatic usage.

Quote
3. Still, out of curiosity, what are the claimed matching public keys according to the output?
  • 1DJp7wV976KGYKYsAmXSq1ySq7V66MTgJg
  • 1PoqAxmFjokxYxSmAb9bXyYCxtkeBYhob7
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