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Author Topic: Vanitygen: Vanity bitcoin address generator/miner [v0.22]  (Read 1143616 times)
defcon23
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June 12, 2016, 08:55:12 AM
 #2761

Yeah, I've been searching for a collision for like 3 years now, not a single one.


  yeah , i had already seen a runing script scanning the entire blockchain database to looking for non-dust amount .. and this script never got any collision too.. anyway that's always  interesting, as a challenge,  to try running these kind of scripts ,or better :  to try coding them ( in an ethical way, indeed  Smiley )  and, as mentioned above, only your conscience could tell you what to do in case of an "hypotetic"  collision ..
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Dabs
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June 12, 2016, 03:47:44 PM
 #2762

The "pattern" from a previous "hack" targeted the random number generator, which was flawed. I don't think he looked for private keys, but rather he figured out the private key based on spent transactions and something or other ... he returned most of the coins to their owners.

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June 13, 2016, 05:42:45 PM
 #2763

Yeah, I've been searching for a collision for like 3 years now, not a single one.


I would think that Electrum would be far less efficient than a purpose-made application that simply has a set datastructure designed for fast contains() operations containing all addresses with non-dust amounts (by searching the chain) attached to an iterated key generator would increase your efficiency (still extremely futile and not likely at all to find any collisions). Remember that people actually use the Electrum servers for real transactions they need to send and receive.

Out of curiosity what kind of hash rate have you been getting over that 3 years? and how many addresses have you scanned so far? Also you say youve been looking for non dust addresses, does this mean youve found some with very small amounts?

thanks

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June 13, 2016, 06:44:59 PM
 #2764

Yeah, I've been searching for a collision for like 3 years now, not a single one.


I would think that Electrum would be far less efficient than a purpose-made application that simply has a set datastructure designed for fast contains() operations containing all addresses with non-dust amounts (by searching the chain) attached to an iterated key generator would increase your efficiency (still extremely futile and not likely at all to find any collisions). Remember that people actually use the Electrum servers for real transactions they need to send and receive.

Out of curiosity what kind of hash rate have you been getting over that 3 years? and how many addresses have you scanned so far? Also you say youve been looking for non dust addresses, does this mean youve found some with very small amounts?

thanks

I average about 2 addresses a second due to having to check the balance against my Insight server, some times more depending on response time.

Scanned so far, billions, I haven't kept track.

I am looking for any address that has a totalReceived greater than 0.0, I haven't found a single one.

I probably won't ever find any this way due to the amount of possible addresses.

I have, however, found thousands of BTC addresses and keys by turning passwords into BTC addresses, brainwallets.

With the exception of brainwallets, generating a random address and checking the totalReceived or balance the odds are not favorable, at all.

So why do I do it? For fun, duh. And I am a persistent fuck, lol.

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LoyceV
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June 13, 2016, 06:58:51 PM
 #2765

I average about 2 addresses a second due to having to check the balance against my Insight server, some times more depending on response time.

Scanned so far, billions, I haven't kept track.
At 2 per second and only 31.5 million seconds per year, it'll be about 200 million checks in 3 years. Not so much, and indeed, very unlikely to find a double. Extremely unlikely. Impossible, I dare say Cheesy
I've read before that brain wallets are very insecure, when enough people use it, it becomes inevitable to have simple passwords, and brute-forcing you can find either one of them.
Finding thousands though is a LOT! How aren't these people all getting robbed?

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June 13, 2016, 07:27:59 PM
 #2766

Yeah, I've been searching for a collision for like 3 years now, not a single one.


I would think that Electrum would be far less efficient than a purpose-made application that simply has a set datastructure designed for fast contains() operations containing all addresses with non-dust amounts (by searching the chain) attached to an iterated key generator would increase your efficiency (still extremely futile and not likely at all to find any collisions). Remember that people actually use the Electrum servers for real transactions they need to send and receive.

Out of curiosity what kind of hash rate have you been getting over that 3 years? and how many addresses have you scanned so far? Also you say youve been looking for non dust addresses, does this mean youve found some with very small amounts?

thanks

I average about 2 addresses a second due to having to check the balance against my Insight server, some times more depending on response time.

Scanned so far, billions, I haven't kept track.

I am looking for any address that has a totalReceived greater than 0.0, I haven't found a single one.

I probably won't ever find any this way due to the amount of possible addresses.

I have, however, found thousands of BTC addresses and keys by turning passwords into BTC addresses, brainwallets.

With the exception of brainwallets, generating a random address and checking the totalReceived or balance the odds are not favorable, at all.

So why do I do it? For fun, duh. And I am a persistent fuck, lol.
I don't have extra money for this why aren't you trying to share it for free?
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June 13, 2016, 09:53:10 PM
 #2767

Yeah, I've been searching for a collision for like 3 years now, not a single one.


I would think that Electrum would be far less efficient than a purpose-made application that simply has a set datastructure designed for fast contains() operations containing all addresses with non-dust amounts (by searching the chain) attached to an iterated key generator would increase your efficiency (still extremely futile and not likely at all to find any collisions). Remember that people actually use the Electrum servers for real transactions they need to send and receive.

Out of curiosity what kind of hash rate have you been getting over that 3 years? and how many addresses have you scanned so far? Also you say youve been looking for non dust addresses, does this mean youve found some with very small amounts?

thanks

I average about 2 addresses a second due to having to check the balance against my Insight server, some times more depending on response time.

Scanned so far, billions, I haven't kept track.

I am looking for any address that has a totalReceived greater than 0.0, I haven't found a single one.

I probably won't ever find any this way due to the amount of possible addresses.

I have, however, found thousands of BTC addresses and keys by turning passwords into BTC addresses, brainwallets.

With the exception of brainwallets, generating a random address and checking the totalReceived or balance the odds are not favorable, at all.

So why do I do it? For fun, duh. And I am a persistent fuck, lol.
I don't have extra money for this why aren't you trying to share it for free?

Time is money my friend.

You can easily learn yourself.

Script to generate random Bitcoin address + Insight server.

It'll take you about 3 days to get the Insight server up to date due to blockchain.

That's if you are familiar with Linux and what ever programming language you choose to generate random addresses.

I considered making a "mining pool" for this but then thought it would be kind of sketchy, haha.

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June 13, 2016, 11:27:24 PM
 #2768

Interesting stuff. Think ill pull some resources and give this a go.
Its a fantastic way to provide that extra bit of security testing your own wallets just to be sure.

You say you have been testing this for 3 years with no collision?

What sort of hardware are you running that on?

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June 13, 2016, 11:32:09 PM
 #2769

Interesting stuff. Think ill pull some resources and give this a go.

You say you have been testing this for 3 years with no collision?



Yes, 3 years, not a single thing.

To be honest, I may have hit one but I think I had it set to integer and the server returned a float so the application failed and yeah, lol.




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June 13, 2016, 11:35:43 PM
 #2770

Do you have any links to resources you used when you set this up?
or did you follow the main topic information?

Would like to set this up to test some of my own things for that added bit of security.
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July 07, 2016, 11:10:06 PM
 #2771

Has anyone used vanitygen with a rx-480 yet?  I'm curious what it can do.

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July 08, 2016, 01:08:22 AM
 #2772

Has anyone used vanitygen with a rx-480 yet?  I'm curious what it can do.

it gives an error Sad

Code:
C:\oclvanitygen>oclvanitygen64.exe -o done.txt -D 0:0 -D 0:1 1aarons6
Difficulty: 51529903411245
Compiling kernel, can take minutes...failure.
clBuildProgram: CL_BUILD_PROGRAM_FAILURE
Build log:
C:\Users\Aaron\AppData\Local\Temp\\OCL588T5.cl:180:19: error: variable in consta
nt address space must be initialized
__constant bignum bn_zero;
                  ^
C:\Users\Aaron\AppData\Local\Temp\\OCL588T5.cl:180:19: error: constant address s
pace qualified variables are required to be initialized
2 errors generated.

error: Clang front-end compilation failed!
Frontend phase failed compilation.
Error: Compiling CL to IR
Device: Ellesmere
Vendor: Advanced Micro Devices, Inc. (1002)
Driver: 2079.5 (VM)
Profile: FULL_PROFILE
Version: OpenCL 2.0 AMD-APP (2079.5)
Max compute units: 36
Max workgroup size: 256
Global memory: 0
Max allocation: -50331648
Could not open device '0:0', ignoring
Compiling kernel, can take minutes...failure.
clBuildProgram: CL_BUILD_PROGRAM_FAILURE
Build log:
C:\Users\Aaron\AppData\Local\Temp\\OCL588T11.cl:180:19: error: variable in const
ant address space must be initialized
__constant bignum bn_zero;
                  ^
C:\Users\Aaron\AppData\Local\Temp\\OCL588T11.cl:180:19: error: constant address
space qualified variables are required to be initialized
2 errors generated.

error: Clang front-end compilation failed!
Frontend phase failed compilation.
Error: Compiling CL to IR
Device: Ellesmere
Vendor: Advanced Micro Devices, Inc. (1002)
Driver: 2079.5 (VM)
Profile: FULL_PROFILE
Version: OpenCL 2.0 AMD-APP (2079.5)
Max compute units: 36
Max workgroup size: 256
Global memory: 0
Max allocation: -50331648
Could not open device '0:1', ignoring
Available OpenCL platforms:
0: [Advanced Micro Devices, Inc.] AMD Accelerated Parallel Processing
  0: [Advanced Micro Devices, Inc.] Ellesmere
  1: [Advanced Micro Devices, Inc.] Ellesmere
  2: [AuthenticAMD] AMD FX(tm)-8350 Eight-Core Processor

C:\oclvanitygen>




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July 09, 2016, 12:41:55 AM
 #2773

Is there somewhere comparision how much Mkey/s generate nvidia cards? For example 8xx series, 9xx series and newest 1xxx series?
I know there are for mining but for vanitygen?

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July 09, 2016, 12:49:12 AM
 #2774

Is there somewhere comparision how much Mkey/s generate nvidia cards? For example 8xx series, 9xx series and newest 1xxx series?
I know there are for mining but for vanitygen?

There's bound to be something in the 140 pages of talk on the subject - use the search box on the top of this page (at top right) to search through this tread.  Hope you find what you are looking for.

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July 09, 2016, 09:22:01 PM
 #2775

Is there somewhere comparision how much Mkey/s generate nvidia cards? For example 8xx series, 9xx series and newest 1xxx series?
I know there are for mining but for vanitygen?

NVIDIA GeForce 96xx, 98xx, GT 1xx, GT 2xx, GTX 2xx (G90/GT200):
Key/s = (CUDA Cores) x (Shader MHz) x 17

AMD Radeon 58xx, 59xx, 67xx, 68xx (VLIW5):
Key/s = (Stream Processors) x (Core MHz) x 20.1

AMD Radeon 69xx (VLIW4):
Key/s = (Stream Processors) x (Core MHz) x 13.6

From the OP
OgNasty
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July 11, 2016, 11:14:13 PM
 #2776

So nobody has yet been able to get a rx-480 to work with vanitygen?

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July 12, 2016, 09:36:34 AM
 #2777

So nobody has yet been able to get a rx-480 to work with vanitygen?

I'd be delighted to give one a go if you would like to send one my way...

(Worth a shot)...

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July 13, 2016, 08:58:09 AM
 #2778

is there any ways to get it for cloud wallet like bitgo or blockchain?  Grin
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July 13, 2016, 09:19:05 AM
 #2779

is there any ways to get it for cloud wallet like bitgo or blockchain?  Grin

I don't know about bitgo but blockchain allows you to import your own private key fairly easy so you could generate a vanity on your pc and then import it into their no problem.

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July 13, 2016, 09:38:40 AM
 #2780

is there any ways to get it for cloud wallet like bitgo or blockchain?  Grin

I use my vanity address on Mycelium - an Android application. With just a scan on the QR code, you will be able to import your vanity address' private key. One thing that Mycelium lack is only browser based wallet but it is an extremely good mobile & cloud based wallet - if I'm not wrong.

Hey! Thank you for visiting/stalking my profile! I appreciate it. ^.^.
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