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Questions tagged [vanity-address]

Much like a vanity license plate, an address can also be chosen to include a particular word or series of characters.

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29 votes
9 answers
23k views

How can I generate a vanity Bitcoin address?

I once found a program that was capable of creating Bitcoin addresses with specific words in them, but can't find it now. Is there a trusted program, in the Ubuntu repositories for example, that can ...
user avatar
25 votes
3 answers
7k views

Can one safely buy vanity addresses from a third party without risking one's coins from being stolen?

One can easily generate vanity addresses for Bitcoin, but they can take quite awhile to generate. Outsourcing that process to someone with a strong mining rig is an option, but then one runs into the ...
ThePiachu's user avatar
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19 votes
7 answers
12k views

What is the longest known vanity address generated?

Anyone can generate a vanity address of arbitrary length with appropriate tools, it's just a matter of performing enough computations. What is the longest known vanity address anyone has generated?
ThePiachu's user avatar
  • 43.1k
13 votes
1 answer
5k views

How can I use the vanity name generator to look for an address?

How do you use the vanity name generator to look for an address? Is there an estimate on how long it takes to find addresses of varying lengths and complexities?
lemonginger's user avatar
  • 5,432
11 votes
2 answers
2k views

How many bitcoins have been sent to Base58-invalid addresses?

Some bitcoins have been permanently lost when they are sent the the following addresses. The explanation I've found is that they contain characters that are invalid in Base58 ...
makerofthings7's user avatar
9 votes
2 answers
8k views

What is vanity address?

I saw lot of questions about vanity addresses, but not sure what is vanity address. Could someone please explain? thanks.
ghalways's user avatar
  • 1,033
8 votes
2 answers
15k views

For a non-technical person, how do I generate a ECDSA key pair easily?

I want to know because I would like to generate a vanity address at Vanity Pool.
user1161604's user avatar
8 votes
1 answer
3k views

When importing private keys, will compressed or uncompressed format be used?

I am looking into implementing support for compressed public keys on Vanity Pool. However, I have my concerns about importing solutions into a desired vanity address under that format. From what I can ...
ThePiachu's user avatar
  • 43.1k
8 votes
1 answer
869 views

Why does vanitygen ban certain letters on testnet?

I'm guessing that vanitygen is more strict or has different rules than production's Base58 rules. Why are some of thse names marked not possible? C:\vanitygen>oclvanitygen -k -o gpukeystestout....
makerofthings7's user avatar
7 votes
2 answers
1k views

Difficulty in obtaining vanity Bitcoin addresses

What is the formula I can use to estimate the difficulty in generating vanity Bitcoin addresses?
cowboy4life's user avatar
7 votes
3 answers
6k views

What's the point of Bitcoin eaters?

I see some bitcoin documentation sites reference dummy addresses like "1bitcoinEaterAddressDontSend32425663" or something made up like that. I'd assume it's just so people reading the docs won't try ...
Albert Renshaw's user avatar
7 votes
1 answer
586 views

Generating addresses starting with certain characters such as "JoeAnonymousUserB7pMqyVa8JRcpZdCQLQ"

Similar to how the SHA256 hash competition exists to validate a transaction, I wonder if this concept can be ported to addresses, so that the first few characters is significant to a human reader. Is ...
makerofthings7's user avatar
7 votes
1 answer
5k views

How fast can one generate Bitcoin addresses?

Seeing as the topic of generating address conflicts comes up every now and then, I am wondering if someone looked into the problem a bit further. Has anyone measured the speed at which Bitcoin ...
ThePiachu's user avatar
  • 43.1k
7 votes
2 answers
2k 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 ...
mikebutrimov's user avatar
7 votes
1 answer
958 views

Does it hurt the network to reuse addresses?

There is already a question that ask why you shouldn't reuse addresses, but it's about whether or not it's a bad idea for the person who would do the reusing. I understand there are several reasons ...
Daniel H's user avatar
  • 684
6 votes
2 answers
674 views

Does it take longer to generate an address when I stop and restart vanitygen?

I want to generate a bitcoin address. I start vanitygen, but a power loss occurs. Now I restart vanitygen. How does this affect the time to generate the address?
hmundt's user avatar
  • 163
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
747 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
5 votes
2 answers
298 views

How do I get a vanity address from a hierarchal deterministic wallet?

I'm interested in finding different techniques that can be used to create vanity addresses with a BIP32 address. For example, can any of this computation be offloaded to a dedicated server, or a 3rd ...
makerofthings7's user avatar
5 votes
1 answer
853 views

Coin address generation for all coins

We are developing UI for coin trading. We have a plan to use all the coins present in coinmarketcap. I am greatly confused how to generate coin address for all coins. I knew that from cryptsy.com, it ...
Jsd's user avatar
  • 336
5 votes
1 answer
655 views

How to determine valid vanity address prefixes for any starting net byte?

Question inspired by this. There are some combinations letters that will never produce a valid vanity address prefix for various network bytes. For example, for net byte of 52 (Namecoin), one cannot ...
ThePiachu's user avatar
  • 43.1k
5 votes
3 answers
467 views

Alternative uses for last five decimal places of an individual Bitcoin (0.000xxxxx)

At the current conversion rates only the first three decimal points of an individual Bitcoin can be exchanged for a USD equivalent. e.g. 0.002 BTC equals 2 USD cents. That opens up possibilities for ...
makerofthings7's user avatar
5 votes
2 answers
632 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. ...
Steven Roose's user avatar
  • 11.8k
5 votes
1 answer
525 views

How to find the shortest unused FirstBits?

I am interested in generating a bitcoin address with the shortest possible FirstBits. By random trial and error I found that 1ijj1 is untaken. Is there a way to find the shortest possible untaken ...
lurf jurv's user avatar
  • 2,714
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
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
1 answer
1k views

What's the probability of vanity pools causing RIPEMD-160 (public key hash) collisions?

As Bitcoin vanity pools become more popular, the possibility of using that power to derive another person's Base58 public key hash becomes slightly more likely. I'd like to know if anyone has done ...
makerofthings7's user avatar
4 votes
1 answer
505 views

Are there any combination of letters that a namecoin address cannot start with?

It recently came to my attention that some Namecoin addresses might not be generated at all (see https://bitcointalk.org/index.php?topic=84569.msg1370025#msg1370025 ). Namely, there are issues with ...
ThePiachu's user avatar
  • 43.1k
4 votes
2 answers
812 views

Is there a point to vanity addresses if a new destination address should be created per sender?

There is some advice for merchants to have a unique Bitcoin address for each incoming address. Apparently this will help associate a transaction with a sender. Since it can take a long time to ...
makerofthings7's user avatar
4 votes
1 answer
4k 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 ...
q9f's user avatar
  • 1,445
4 votes
1 answer
1k views

How to make a vanity throwaway address? Similar to 1BitcoinEaterAddressDontSendf59kuE [duplicate]

I want to write data to the Blockchain, and write to specific addresses. I want to send small amounts of Bitcoin to addresses like this: 1MikesReallyCoolApp<game_id_here>59kuE How can I do ...
Mike's user avatar
  • 161
4 votes
1 answer
330 views

Why does it take a different time to generate a different pattern of the same length in vanitygen?

I've been looking at generating some vanity addresses today, and I found it surprising that the program generating the address predicts that it will take a different amount of tries to compute a ...
ThePiachu's user avatar
  • 43.1k
4 votes
1 answer
493 views

How would one go about generating a BIP-38 encrypted vanity address for cold storage?

I want to generate a vanity address with BIP-38 encryption for a cold storage paper wallet, how would I go about securely making one? From what I've found, generating a vanity address with Vanitygen ...
skeeballassault's user avatar
4 votes
3 answers
160 views

What if you wanted to decrease anonymity?

My idea is to be able to build "credit" for an individual. Lenders of BTC could just use a service to check the "credit score" of a certain address of a borrower. The borrower would have to spend a ...
ProjectX's user avatar
3 votes
2 answers
626 views

What are the advantages/disadvantages to using the same Wallet Address?

I'm very curious about the reasons people keep their wallet addresses private. I don't understand, some people just post them publicly and nothing bad ever seems to happen. I am involved with a ...
xn--gif's user avatar
  • 31
3 votes
1 answer
271 views

Is it a bad idea to use a bitcoin wallet address in a domain name or URL?

Aside from it forever being public and kind of marrying a business to a wallet.
mardlin's user avatar
  • 406
3 votes
1 answer
125 views

How do we create funny segwit v1 taproot bech32m addresses?

Look at what this user has broadcasted, destination addresses are interesting: bc1pjjjkkkklllllmmmmmmnnnnnnnpppppppqqqqqqqqqrrrrrrrrraq663x0t ...
Mercedes's user avatar
  • 802
3 votes
1 answer
870 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 ...
Константин Ван's user avatar
3 votes
1 answer
1k 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?
Newbie92's user avatar
3 votes
1 answer
401 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 ...
Ryan Walmsley's user avatar
3 votes
1 answer
571 views

Remove public address from my wallet [duplicate]

I have generated few fancy bitcoin addresses with vanitygen. I was looking on some webpage how-to-add the address into my bitcoin wallet. I accidentally entered the example private key instead of my ...
V-X's user avatar
  • 287
2 votes
3 answers
534 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 ...
Maestro's user avatar
  • 1,967
2 votes
1 answer
426 views

How are vanity addresses generated?

The gambling site satoshi bones uses addresses that start with 1bones, such as 1bonesEeTcABPjLzAb1VkFgySY6Zqu3sX How did they generate such a vanity address?
Randomblue's user avatar
2 votes
1 answer
214 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 ...
Aminadav Glickshtein's user avatar
2 votes
1 answer
1k 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?
LAe's user avatar
  • 21
2 votes
2 answers
2k views

how to generate SECRET_KEY prefix? [closed]

base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,176); I need prefix L , but i cannot find how do this, please do not post link to prefix list bitcoin , it's only for address ...
tseries's user avatar
  • 205
2 votes
1 answer
187 views

Probability of Generating a Bitcoin Address with Specific Starting and Ending Characters

I've recently come across a situation where scammers are generating (bitcoin) addresses that have the same starting and ending characters. This is concerning as many people, including myself, often ...
Oliver Offing's user avatar
2 votes
2 answers
477 views

Can a multi-sig address also be a vanity address?

If so, do the three separate parties have to agree on the character sequence?
user2716556's user avatar
2 votes
0 answers
41 views

bitcoin addresses in one wallet

How do explorers like https://www.walletexplorer.com/ recognize all addresses in one wallet? What is the relationship between addresses in wallet?
Mahla's user avatar
  • 103
2 votes
1 answer
185 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?
MCCCS's user avatar
  • 10.2k