10 votes

Difficulty in obtaining vanity Bitcoin addresses

The probabilities are detailed here: https://en.bitcoin.it/wiki/Vanitygen#Difficulty_of_finding_a_vanity "The difficult of finding a vanity address depends on its exact structure (leading letters ...
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7 votes

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

Questions about altcoins are off-topic here, but the answer is essentially universal: if you re-use addresses, especially because of a desire to think of them as a long-term identity, you're ...
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6 votes
Accepted

What's the point of Bitcoin eaters?

I'd assume it's just so people reading the docs won't try to "tip" the writer and send to a foobar address that was made up for the sake of example That is correct! Other than that, there is no ...
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5 votes
Accepted

Best way to calculate difficulty of generating specific vanity address?

So things turned out to be a little bit different. But now i have a solution, that seems to be workable and adequate. Original task was to calculate difficult of finding specific vanity address (like ...
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5 votes
Accepted

What is it mean Difficuly & prob when using vanitygen?

Difficulty tells you how likely it is that vanitygen will be able to find the address pattern you're looking for on the next guess. A value of 2n is twice as difficult (half as likely) than a value of ...
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  • 138
4 votes

What's the point of Bitcoin eaters?

The point is that someone obviously made up the sentence and then adapted the last few places to make it adhere to the checksum test, i.e. it is a valid Bitcoin address. On the other hand, it's ...
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  • 64.4k
4 votes

How to generate a zcash vanity address?

To simply generate a new main network address, you can use the official zcash-cli like that: $ zcash-cli getnewaddress t1fMAAnYrpwt1HQ8ZqxeFqVSSi6PQjwTLUm Or: $ zcash-cli z_getnewaddress ...
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  • 1,376
4 votes
Accepted

Difficulty in obtaining vanity Bitcoin addresses

It is better to explain by example: We need to find a vanity address with the prefix "1Love". The minimum address with this prefix is "1Love1111...1111+ControlSum" and this corresponds to the number ...
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4 votes

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

Vanitygen has a regex option, for generating addresses that match an arbitrary regular expression. I think that vanitygen -r '^1Bit.*Bit$' would work. Note that it will not be able to estimate the ...
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4 votes

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

Gap Limits I want to just smash the button until I find an address with some aesthetic/memorable strings. But I have no idea if this is a bad idea, wastes resources, That could create problems when ...
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3 votes

How to make a vanity throwaway address? Similar to 1BitcoinEaterAddressDontSendf59kuE

Simple website to create burn address http://gobittest.appspot.com/ProofOfBurn If you want a script try this https://gist.github.com/CoinWhisperer/6d673f1f3d13da1611cd
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  • 1,892
3 votes

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

You can do this but the advantage of HD wallets effectively diminishes. You can simply brute force by iterating over all the indices of the HD wallet until you find one that has the vanity ...
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3 votes
Accepted

Are vanity addresses Vanitygen generated really safe to use?

The key point here is that vanitygen is not deterministic - It relies on entropy provided by the system it is running on, which is why running it multiple times with the same pattern will produce ...
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  • 16.5k
2 votes

What is the longest known vanity address generated?

Here's what vanity address I generated: 1DETACHABLEDD7hgExqScWngMrxDGtXwcX This is the real word. All characters in the pattern are uppercase. The length of the pattern is 11 characters.
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2 votes

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? If a billion supercomputers each tried a billion keys per second ...
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2 votes
Accepted

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

Yes, that's possible. In fact, the party that creates the address is the only one who needs to agree on the character sequence. Suppose you have an address that can be spent with 2-of-3 multisig. ...
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  • 971
2 votes

how to generate SECRET_KEY prefix?

Addresses and private keys are encoded using Base58Check Encoding. The prefix bytes are chosen such that once whatever you are encoding is actual encoded with Base58Check Encoding, you will end up ...
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  • 62.3k
2 votes

How do bitcoin vanity generator work?

They work by brute force. As a private key is essentially a very large random number, and the encoding process from a public key to an address goes through a couple of hashing steps, the relation ...
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  • 16.5k
2 votes
Accepted

How did they generate these vanity addresses with 27 predetermined characters?

Your observation is correct and indeed those addresses cannot be generated by vanity address generator in a reasonable amount of time. Most likely, there is no secret key corresponding to that address ...
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  • 1,224
2 votes
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How do extremely difficult vanity addresses get found in the first place?

Funds are spendable by public keys and addresses contain public key hashes. Vanity addresses are created by hashing lots of public keys until the hash is in an expected range. What you mentioned is an ...
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  • 9,849
1 vote
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How to encode a string into a bitcoin address? (Not a brain-wallet, an address, like a vanity-address)

I had a couple errors. The first byte of aaaaaaaaaaaaaaaaaaaaa should be a version number, which can be 0. 0aaaaaaaaaaaaaaaaaaaa. The hash is appended to the end of the string, not the beginning. ...
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1 vote
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Private key only wallet for Bitcoin Core regtest

As of Bitcoin Core v18 and later, it is possible to create a blank wallet with no keys in it. You can then import the single key you wish to use. It can be imported as a descriptor (with ...
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  • 11.4k
1 vote

Adding an external key pair to a local bitcoinj wallet

After searching for a while I found this type that takes a private key (in base58), required network parameters, and constructs the public address. Please refer: DumpedPrivateKey. This was enough for ...
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  • 111
1 vote
Accepted

Vanitygen: How ot store all generated addresses?

./vanitygen -k 1 -o output.txt will generate addressses until you stop it, and will save the addresses to output.txt. It won't be formatted, so it's a better idea to use Vanitygen Plus's -z option, ...
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  • 9,849
1 vote

Mnemonic seed BIP 39 HD wallet with vanity address

Yes, this is possible. You will need to create a random BIP39 seed and derive keys/addresses, and check if the address has the pattern you desire. Repeat the process until you find a seed that ...
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  • 111
1 vote

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

You can't use custom keys with ledger since the addresses Ledger uses are all derived from your (randomly generated) seed.
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1 vote

how to generate SECRET_KEY prefix?

hmm, not sure what you are asking. Normally you have a private key in hex chars. When you do a base58 encoding, you use hex 0x80 as prefix, which results in "K" or "L" at the beginning of the so ...
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  • 5,026
1 vote

What's the point of Bitcoin eaters?

https://en.bitcoin.it/wiki/Vanitygen Theres no guarantee these addresses are made up .... Of course, bitcoin eater addresses are around since the early days - but why not exploit it :) Back then it ...
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  • 654
1 vote
Accepted

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

Take a look at http://bippy.org. The main potential issue I see with using a vanity address for cold storage is in spending from the address multiple times. If the wallet software you use isn't ...
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