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Questions tagged [vanitygen]

vanitygen allows you to specify part of your bitcoin address.

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1answer
29 views

oclvanitygen not compiling

I am trying to compile oclvanitygen because I have an Nvidia GTX 1080 that would most likely be helpful for this. I'm using the Windows Subsystem for Linux with Ubuntu 18.04. I tried this command: ...
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1answer
410 views

Are vanity addresses Vanitygen generated really safe to use?

I’m not talking about whether Vanitygen can crack an any existing wallet or not. I know it is practically impossible, considering the computational resources required. But what if, it’s to crack ...
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0answers
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Question about modify Vanitygen

I follow the instruction on this post to create bitcoin address from given hex private key In vanitygen.c Replace EC_KEY_generate_key(pkey); with BIGNUM *res; BN_init(&start); ...
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1answer
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how to compile brainflayar in window based Linux

hi can any one explain how they do it like this 1EpisodeiV111111111111111111wbq9i2 1ANewHope1111111111111111111vnYm6D 1itisAPeriodofCiviLWarRebeLyzK2rV 1SpaceshipsStrikingFromA111vh24Fi ...
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2answers
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Is a bitcoin address collision possible if generating 90 million addresses every 4 hours?

I am running a test to see if I can obtain a successful bitcoin address collision after generating billions of addresses. I am not entirely sure how I would check them yet. Basically I have an extra ...
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1answer
218 views

Modify vanitygen to generate from massive amount of given private key

I just using vanitygen recently & figure how to create address from a given hex private key, this is my code while (!vcp->vc_halt) { if (++npoints >= rekey_at) { ...
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1answer
69 views

Question about Vanitygen performance

I just read a blog about someone rent an AWS hpc & run Vanitygen to get a vanity address & some of the latest 2018 performance. Assume i have some of the top supercomputer these days(Sierra, ...
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1answer
58 views

Bitcoin Vanitygen > how to edit .cl kernel file to so that it will verify the public key directly instead

So im trying to create a vanityaddress, which is 1 followed by my 10 chars plus some random chars, no matter how i try i get 9 right out of my chars not the 10th chars , so i everyday get bunch of ...
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1answer
212 views

Vanitygen: How ot store all generated addresses?

i want to know it is possible to store all generated addresses into file (or DB). How it can be? For example i need to generate 1,000,000,000 addresses, with vanitygen speed about 50M per second.
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2answers
329 views

Compile vanitygen source

How do I compile this source or get vanitygen for linux? Open source link: https://github.com/samr7/vanitygen
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1answer
281 views

(Shouldn't be too hard) Where vanitygen checks if the random address starts with the expected pattern?

I've been trying the find the code in Vanitygen that does checks whether the generated address starts with the expected pattern. Vanitygen repo: https://github.com/samr7/vanitygen What I currently ...
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1answer
462 views

Mnemonic seed BIP 39 HD wallet with vanity address

Can we create a mnemonic seed BIP 39 HD wallet with vanity address for LITECOIN, if yes, how?
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1answer
264 views

How to get a VanityGenerated public address for a hardware wallet? (Ledger Nano S)

I recently bought a Nano Ledger S and have not opened or set it up yet. I read that you can use a VanityGen to create a Vanity public address. How would I do this for my Nano Ledger, if I want to make ...
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1answer
3k views

How to generate a zcash vanity address?

Is the main network address version for zcash already known? Is it possible to generate a mainnet address already? This could allow miners to start from minute 0 to mine on a anonymous pool. The ...
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2answers
1k views

Best way to calculate difficulty of generating specific vanity address?

I'm now working at small tool, which purpose is to calculate difficulty (like number of attempts) of getting vanity address, like vanitygen (https://github.com/samr7/vanitygen) does. I've read some ...
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1answer
162 views

Why is it harder to generate addresses starting with 1s?

Here's a table I got from bitcoin wiki. They say: A special case, leading numbers 1 (one) is especially difficult. But why?
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1answer
407 views

The randomness of vanitygen is secure enough?

If two people running vanitygen 1abcdefg What is the chance that both of the person will get the same public key & private key? I hope that the answer is less than 0.0000001. But for this ...
2
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1answer
129 views

What is it mean Difficuly & prob when using vanitygen?

I am running this command $ vanitygen64.exe 1abcdefg Difficulty: 778316249440 [125.17 Kkey/s][total 39015067414][Prob 4.9%][50% in 46.3d] What is it mean Difficulty? I understand that higher takes ...
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2answers
461 views

Vanity generator

Imagine that there are two really strong computers that try to find an address starting with 1ABCDEFGH. Is there a possibility does that two computer find the same private key?
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1answer
1k views

Is it really safe to use vanitygen to generate your unique bitcoin address?

I've been wondering if using vanitygen to create your own bitcoin address with a unique prefix, is safe from being compromise by others? I'm currently using a shared wallet address from a trusted ...
2
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1answer
816 views

How can one generate a vanity Bitcoin address with both a given prefix and suffix?

I want generate a unique Bitcoin address with vanitygen that has both a given prefix and a given suffix: 1Bit******************Bit How would I be able to achieve that?
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1answer
137 views

Use several PC to generate vanity addresses

I have seven PC and I want to generate a unique Bitcoin address. On one PC the speed to generate addresses is low. How can I use vanitygen.exe on all of my computers to increase the speed of ...
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0answers
178 views

GPU VanityGen with AES Encryption?

I'm getting back into Bitcoin and have started pooling savings together into a wallet. I'm moving on to cold storage and need to order some metal cards to keep safe somewhere. I need to generate an ...
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1answer
136 views

Vanitygen Rekey_max

The file 'vanitygen.c' has a constant "BN_ULONG rekey_max". I suppose it denotes the value until which vanitygen keeps using the same RNG seed? If the value is lowered to about, say 100K, will it ...
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0answers
129 views

Vanitygen to run 24/7 at VPS

I searched for tutorial to run Vanitygen 24/7 on VPS. However, I'm not able to find any that work. I have a VPS running on Debian 7. I want to use this VPS to search for Bitcoin private key 24/7. How ...
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1answer
1k views

Vanitygen: Impossible addresses?

I'm currently attempting to modify Vanitygen to suit a particular purpose. However, I'm running into an issue with "impossible" addresses. For example, from the stock Vanitygen available on Github I ...
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1answer
165 views

Why does vanitygen warns me to update an up-to-date OpenSSL?

I tried to generate an address with vanitygen. Because I'm on a MBP 2010 it took a while onthe CPU (not finished yet, two times up to 20%) and now I am trying to get it working with my GPU (NVidea ...
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1answer
348 views

Restarting Vanitygen

I want to create a bitcoin address which starts with a certain passphrase (1mathias, case insensitive). That idea came from this question, and I quite liked it. After some trouble making the file on ...
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3answers
8k views

Use multiple GPU's with oclvanitygen

Does anyone know how to use multiple GPU's with oclvanitygen? I have these two: Available OpenCL platforms: 0: [Intel(R) Corporation] Intel(R) OpenCL 0: [Intel(R) Corporation] Intel(R) 1: [...
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1answer
2k views

Using vanitygen To generate addresses for different cryptocurrencies

I know how to use vanitygen but how do you determine the number that will correspond to the -X parameter for a different cryptocurrency? For example it is -X 30 for Dogecoin.
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1answer
693 views

Bash BTC and LTC address generator

Do you know any bash script or C simple program to generate btc and ltc addresses? I need to generate address while in recovery mode on osx or on a linux onthefly. But I cannot find such a thing on ...
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2answers
722 views

How do I use Vanitygen on Fedora 20? (openssl restrictions)

I have seen several methods for building bitcoin from source on Fedora, but I have not seen corresponding information for vanitygen. It builds, and it starts up, but then it gives me the error: "...
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2answers
388 views

Vanitygen regular expression match

Using regular expression match instead of prefix, is there a way to add a difficulty and probability check? Seems to only report keys/s and total keys tested.
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3answers
471 views

If Bitcoin addresses are truely random, then why are some more difficult to generate than others?

In this post TierNolan explains why 'Bitpoin' is much easier to generate than 'bitpoin', and that mainly has to do with the position (first character). But I remember that certain characters (I ...
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4answers
1k views

Is it possible to generate a complete public address with vanitygen?

FAQ says it's possible to use vanitygen to search for a match to a complete address yet when I input a complete address I get an "is too long" error message. Is there a way to run vanitygen using a ...
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1answer
938 views

How would I generate a valid vanity address for destroying coins?

I want to generate very long vanity addresses, with the relaxed constraint that I don't need the corresponding private key, they only need to be valid Bitcoin addresses. How would I do this? Example: ...
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3answers
979 views

Decrypting Vanitygen Protected Key

I've used Vanitygen to generate a vanity Bitcoin address. I used the "-e" option to encrypt the private key. What I can't figure out is how to decrypt the protected key that was provided after ...
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1answer
824 views

Are there any limitations to vanity addresses?

I have noticed that many bitcoin addresses begin with numbers or uppercase characters. I realize that all addresses begin with the number one but can I generate an address with the second character ...
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3answers
3k views

oclvanitygen not showing private key?

I am trying to generate my own address using my GPU with oclvanitygen, but it seems like that it only displays the: CPU hash GPU hash, and Found delta but not a private key? Any idea why? ...
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1answer
290 views

What is the longest firstbits?

What is the longest used firstbits? How could I find out? I think it would be two vanity addresses with the same prefix, yes? Anything longer than about seven characters for a firstbits would require ...
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2answers
2k views

Vanitygen: Why is it easier to generate an address that starts with a capital letter?

I get a much lower length of time if i make the first character a capital letter instead of a lowercase letter, when trying to generate a public key with Vanitygen. Shouldn't it be the same? Has ...
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3answers
6k views

How to pre-generate 100M bitcoin addresses? [duplicate]

What is the best method to generate large numbers of bitcoin addresses? I imagine something like the following would break bitcoind in some fashion: ./bitcoind keypool=100000000
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1answer
992 views

How does vanitygen calculate difficulty?

It seems really random. 1d is 1353, 1L is 22, 11 is 256, 11L is 78508, 11x is 78508, 111 is 65536, 112 is is 1335, 113 is 1330, 114 is 1330, 1L1 is 1330. I thought it was 58 to the power of the ...
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1answer
493 views

Is it possible to create an address from a predefined private key?

I was not sure how to formulate the question title. What I want to achieve is the same as VanityGen and many other tools do to create an address starting with a predefined part, but with private keys. ...
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0answers
170 views

Is anyone mathematically adding a Brain Wallet key with a hosted wallet (like vanitygen) for extra security?

This question is inspired by how the Vanity Gen pool operates. Basically there are two sets of keys and addresses: one that is stored at the Wallet hosting provider, the other set is derived from a ...
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3answers
3k views

what are the chances of vanitygen address - private key pair collision?

With no random number seed specified, assuming all vanitygen runs start with specific chunk for iteration, what are the possibilities of two different vanitygen runs to end up with the same address - ...
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2answers
636 views

How easy is finding related vanity addresses?

Is it easy to find out related vanity address '1googlex' if we already know '1google' vanity address pair, than through usual vanitygen iteration process? if yes, can this be extended further, like, '...
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2answers
1k views

OSX Vanitygen broken makefile [duplicate]

Whenever I try to install by running "make" it gives me tons of errors. $ make cc -ggdb -O3 -Wall -c -o pattern.o pattern.c pattern.c:32:18: error: pcre.h: No such file or directory pattern.c:1604: ...
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1answer
368 views

Vanity Mining Error?

Well after getting a new graphics card (7770) I can mine bitcoins at around 120 - 180 Mhash/s Depending if I run it at full power or not. Now I thought I would try and mine myself an address using it ...
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1answer
1k views

How do I optimize my usage of oclvanitygen?

I'd like to extract the most performance possible from oclvanitygen. Can anyone tell me what the best practices are with this tool? Examples may include: Use operating system X, or video card Y ...