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Questions tagged [vanitygen]

vanitygen allows you to specify part of your bitcoin address.

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9 votes
2 answers
5k views

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 ...
Anonymous's user avatar
  • 193
6 votes
3 answers
7k 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
user3145's user avatar
  • 877
5 votes
2 answers
749 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, '...
vi.su.'s user avatar
  • 1,852
4 votes
2 answers
5k views

OSX Vanitygen error: pattern.c:32:10: fatal error: 'pcre.h' file not found

I get the error below when I try to make vanitygen according to the instructions listed in "install" Error from make (short version) 27 warnings generated. cc -ggdb -O3 -Wall -c -o pattern.o ...
makerofthings7's user avatar
1 vote
1 answer
1k 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: ...
Brian's user avatar
  • 19
7 votes
1 answer
2k 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 ...
Nikko Parin's user avatar
5 votes
2 answers
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 ...
Do Not Track Me's user avatar
4 votes
3 answers
4k 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 - ...
vi.su.'s user avatar
  • 1,852
4 votes
2 answers
1k 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 ...
lurf jurv's user avatar
  • 2,714
2 votes
1 answer
3k 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.
rahulgarg12342's user avatar
2 votes
2 answers
894 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: "...
CPomerantz's user avatar
1 vote
2 answers
518 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?
MCCCS's user avatar
  • 10.2k
0 votes
1 answer
952 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) { ...
Dan Minh Toan's user avatar