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Author Topic: Vanitygen: Vanity bitcoin address generator/miner [v0.22]  (Read 810112 times)
Red Emerald
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December 10, 2011, 07:52:08 AM
 #401

I got oclvanitygen running on my miner just for fun.

Fibonachi: 11235813yoNV9F45KjwRiBYnYFufMunTj8

I was originally going to try for 1123581321, but that would take a few years with just one of my graphics cards trying it.  I'd rather make coins with that much time.

I would still love an easy way to import these keys besides with strongcoin.  I don't think pywallet supports the encrypted wallet format yet.

It doesn't, but you can create a new unencrypted one, import your address, and move all your money out of the encrypted one, before encrypting the new one. Don't know if there is a way to extract keys out of encrypted wallets though :/

or you could use the comandline options and unlock your wallet for 10-15 minutes, enough time to import few private keys with pywallet Wink

Oh I didn't realize that it worked like that.  I am going to have to do some experimenting now.

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December 11, 2011, 05:31:07 AM
 #402

I tried 1I and it showed this error:
Invalid character 'I' in prefix '1I'

I also tried with a char like "à" but it didn't work well.
Are there some chars that aren't allowed? ( or are them bugs? )

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December 11, 2011, 05:44:45 AM
 #403

I tried 1I and it showed this error:
Invalid character 'I' in prefix '1I'

I also tried with a char like "à" but it didn't work well.
Are there some chars that aren't allowed? ( or are them bugs? )


bitcoin addresses use base58 encoding link, so you will have have to stick with that charmap

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December 11, 2011, 06:02:20 AM
 #404

ouch, I just learned something new. Thank you Wink

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December 11, 2011, 06:32:50 AM
 #405

ouch, I just learned something new. Thank you Wink

np, i could use some help too on the p2p forum, sent you a pm  Cheesy

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December 16, 2011, 01:39:17 AM
 #406

I got oclvanitygen running on my miner just for fun.

Fibonachi: 11235813yoNV9F45KjwRiBYnYFufMunTj8

I was originally going to try for 1123581321, but that would take a few years with just one of my graphics cards trying it.  I'd rather make coins with that much time.

I would still love an easy way to import these keys besides with strongcoin.  I don't think pywallet supports the encrypted wallet format yet.

It doesn't, but you can create a new unencrypted one, import your address, and move all your money out of the encrypted one, before encrypting the new one. Don't know if there is a way to extract keys out of encrypted wallets though :/

or you could use the comandline options and unlock your wallet for 10-15 minutes, enough time to import few private keys with pywallet Wink

I ca't find the command line to do this. Can you help please?

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December 16, 2011, 01:46:50 AM
 #407

I got oclvanitygen running on my miner just for fun.

Fibonachi: 11235813yoNV9F45KjwRiBYnYFufMunTj8

I was originally going to try for 1123581321, but that would take a few years with just one of my graphics cards trying it.  I'd rather make coins with that much time.

I would still love an easy way to import these keys besides with strongcoin.  I don't think pywallet supports the encrypted wallet format yet.

It doesn't, but you can create a new unencrypted one, import your address, and move all your money out of the encrypted one, before encrypting the new one. Don't know if there is a way to extract keys out of encrypted wallets though :/

or you could use the comandline options and unlock your wallet for 10-15 minutes, enough time to import few private keys with pywallet Wink

I ca't find the command line to do this. Can you help please?
Judging by the following tool in the contrib directory, the command is:
Code:
bitcoind walletpassphrase [passphrase] [time in minutes]

Good luck!
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December 16, 2011, 01:55:57 AM
 #408

Forgot the tool, duh.
https://github.com/bitcoin/bitcoin/blob/master/contrib/wallettools/walletunlock.py
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December 16, 2011, 02:00:54 AM
 #409

I got oclvanitygen running on my miner just for fun.

Fibonachi: 11235813yoNV9F45KjwRiBYnYFufMunTj8

I was originally going to try for 1123581321, but that would take a few years with just one of my graphics cards trying it.  I'd rather make coins with that much time.

I would still love an easy way to import these keys besides with strongcoin.  I don't think pywallet supports the encrypted wallet format yet.

It doesn't, but you can create a new unencrypted one, import your address, and move all your money out of the encrypted one, before encrypting the new one. Don't know if there is a way to extract keys out of encrypted wallets though :/

or you could use the comandline options and unlock your wallet for 10-15 minutes, enough time to import few private keys with pywallet Wink

I ca't find the command line to do this. Can you help please?
Judging by the following tool in the contrib directory, the command is:
Code:
bitcoind walletpassphrase [passphrase] [time in minutes]

Good luck!

exactly, only thing time is entered in seconds

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December 16, 2011, 03:32:06 AM
 #410

Sweet! Thanks guys!

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December 16, 2011, 04:10:12 AM
 #411

Sweet! Thanks guys!

I like it when a plan comes together.

Now, I have a question. (may have been addressed in this long thread, so sorry for asking again)

Can a vanity address be hashed by one person for the sole purpose of giving it to another, along with the password, whereupon the new owner is able to change the password locking out the one who created it? If so, reply with a brief outline of how this is done or, at the very least, point me toward a post that explains this.

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December 16, 2011, 04:23:25 AM
 #412

Sweet! Thanks guys!

I like it when a plan comes together.

Now, I have a question. (may have been addressed in this long thread, so sorry for asking again)

Can a vanity address be hashed by one person for the sole purpose of giving it to another, along with the password, whereupon the new owner is able to change the password locking out the one who created it? If so, reply with a brief outline of how this is done or, at the very least, point me toward a post that explains this.

~Bruno~


TL;DR: No.

Full version: https://en.bitcoin.it/wiki/Private_key

Hope this helps.
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December 16, 2011, 06:20:41 AM
 #413


Judging by the following tool in the contrib directory, the command is:
Code:
bitcoind walletpassphrase [passphrase] [time in minutes]

Good luck!

Ok, n00b question. I'm getting a
Quote
error: couldn't connect to server

Running on Win7, not launching as Admin, but bitcoind given all access through firewall. It runs fine if I run bitcoind by itself without any parameters.
I guess I need to know how to send it RPC commands after I launch it, or something. Please help

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December 16, 2011, 06:24:35 AM
 #414

Quote
Can a vanity address be hashed by one person for the sole purpose of giving it to another, along with the password, whereupon the new owner is able to change the password locking out the one who created it? If so, reply with a brief outline of how this is done or, at the very least, point me toward a post that explains this

We have discussed this at length above and it can be done as follows:

You create a standard private/public key pair and send just the public key to the second person and keep the private key secret.
Instead of creating new random key pairs from the standard starting point they create them from your public key point.
If they find the vanity public address you are looking for they can send you the vanity private and public keys they created based on the public key you sent them.
You can then multiply the private key they send you and the private key you kept secret together to get the final private key for the vanity address.

The person that worked on the project for you has no way of knowing the final private key.  You are the only one that can know it because you are the only one that has both the private keys needed to muliply together to get the final private key for the vanity public address.

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December 16, 2011, 06:26:14 AM
 #415

I'll try this when i finished my mining.

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December 16, 2011, 06:34:41 AM
 #416

Quote
Can a vanity address be hashed by one person for the sole purpose of giving it to another, along with the password, whereupon the new owner is able to change the password locking out the one who created it? If so, reply with a brief outline of how this is done or, at the very least, point me toward a post that explains this

We have discussed this at length above and it can be done as follows:

You create a standard private/public key pair and send just the public key to the second person and keep the private key secret.
Instead of creating new random key pairs from the standard starting point they create them from your public key point.
If they find the vanity public address you are looking for they can send you the vanity private and public keys they created based on the public key you sent them.
You can then multiply the private key they send you and the private key you kept secret together to get the final private key for the vanity address.

The person that worked on the project for you has no way of knowing the final private key.  You are the only one that can know it because you are the only one that has both the private keys needed to muliply together to get the final private key for the vanity public address.
As also discussed in detail in this and other threads this could be the basis for a distributed vanity address mining operation where one person could enlist many (hundreds?) of other to search for a very difficult to find vanity address and then pay the one who finds it.  Kind of like mining - so it has been called "vanity address mining".  The beauty is that it can be done in a totally secure way where none of the miners know the final private key - only the customer can calculate it.

Our family was terrorized by Homeland Security.  Read all about it here:  http://www.jmwagner.com/ and http://www.burtw.com/  Any donations to help us recover from the $300,000 in legal fees and forced donations to the Federal Asset Forfeiture slush fund are greatly appreciated!
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December 16, 2011, 11:38:17 AM
 #417

ouch, I just learned something new. Thank you Wink

lol, does it always hurt when you learn something? that'd suck.

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December 16, 2011, 01:04:07 PM
 #418


Judging by the following tool in the contrib directory, the command is:
Code:
bitcoind walletpassphrase [passphrase] [time in minutes]

Good luck!

Ok, n00b question. I'm getting a
Quote
error: couldn't connect to server

Running on Win7, not launching as Admin, but bitcoind given all access through firewall. It runs fine if I run bitcoind by itself without any parameters.
I guess I need to know how to send it RPC commands after I launch it, or something. Please help

ok, the normal procedure is... close the GUI client, open up a terminal (cmd in windows), navigate to the dir where you  know "bitcoind" is found, launch it (this step is important and depends on you previously closing any Bitcoin gui instance) and wait a few minutes untill it starts up. Usually it takes the same amount of time for bitcoin-qt or bitcoind to start, the last it's a little faster sometimes.
After following all the previous steps you can try sending some commands, like "bitcoind getinfo" for example and see if it responds. Try "bitcoind help" for a complete list of all the commands. Hope this helps  Roll Eyes

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December 17, 2011, 05:11:23 AM
 #419

Found the problem. PEBKAC lack of patience error  Grin Just had to wait for the thing to fully launch before it would respond

EDIT: Never mind. Even unlocking the wallet doesn't help. pywallet corrpts the walet.dat file when I try to import keys regardless of whether it's unlocked or not. Sucks I can't encrypt my wallet due to this. (keeping the entire folder encrypted using Windows though)

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December 17, 2011, 05:52:50 AM
 #420

Finally was able to compile a fresh oclvanitygen Windows binary.  Getting 18.3 Mkey/s on both of my 5770's for a total of 36.6 Mkey/s.  Should be able to get a 8 (7+1)character vanity in 4.5hrs ... Wait a second... It already Completed! Sweet!

New Address: 1JayCoinAX1hVGZkXH7a67P4nzDG2GLJPs

That was kind of a pain.  Anyone want a zip file of the compiled windows binary.  I made a zip file with the binaries and includes. Unzip and run!

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