Questions tagged [address-generation]

Collects technical details on the process of creating new addresses.

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2
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2answers
1k views

How can I generate a Bitcoin address from a 12 word seed without using a computer?

I have a 12 word seed and I want to generate an address without exposing it to any computers. How can I accomplish this?
0
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3answers
834 views

How to create Ethereum brain address? [closed]

I have used bitaddress.org to create a brain wallet for my Bitcoin. Now I would like to create a brain wallet for my Ethereum using Bitcoin Improvement Proposals (BIP) 32/39/44/49 technologies. Is ...
3
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1answer
264 views

How do you regenerate all 2-of-2 multisig addresses from two xPrivkeys?

If I want to get the private and public keys of all transactions that have happened on my multisig wallet. How would I do that? It's a 2-of-2 multisig setup. I have an xPrivkey on my computer and an ...
0
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1answer
536 views

Generate Bitcoin Address JS Step-By-Step “Invalid Address” Error

I am following the process for bitcoin address creation as outlined in Mastering Bitcoin, however, when I try to reference this address in my bitcoin-cli, which is set to regtest, it responds with an ...
2
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2answers
991 views

Generate keys/addresses for all altcoins

I'm looking for a library or method to generate addresses for as many of the most popular currencies/altcoins as possible. Is there a known library that supports this? Or do I need to use a specific ...
7
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1answer
2k views

Generate paper wallet SegWit address

I am trying to generate SegWit paper wallet address from WIF: My WIF is L5mHKZsCLS27nSoGM3RdAwuxjvg7XhJdP25LgqdXe6zF11wpWdbT. I am converting WIF to compressed public key: Compressed public key: ...
2
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3answers
6k views

How to generate bitcoin P2SH WIF key and address pair from sha256 private key?

lets say i have sha256 Private Key Hexadecimal Format 0000000000000000000000000000000000000000000000000000000000000001 how can i get P2SH address and its corresponding WIF private KEY ? by P2SH i ...
0
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0answers
130 views

What is the easiest way (user experience wise) to get xpub?

I'v got monitoring app going for my hardware wallet and am planning to release it to public. Biggest pain point right now is asking users to enter their xpub key. It can be done, but there is no ...
0
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1answer
594 views

Is a Bitcoin address guaranteed to be unique? [duplicate]

I may have misread this but apparently every time you generate an address it is not checked against any other addresses generated? The reason being the sheer scale of the amount of possible addresses ...
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2answers
4k views

bitcoind deamon create new account for every user

I'm new to this bitcoin and seems confused a little. I need a system where I need to create new address for every user(personal account) where they will transfer some bitcoins to it and buy some ...
2
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2answers
2k views

BIP44 generation tool has Account xpubkey & bip32 xpubkey, what's the difference?

recently i played with the tool generation of HD address on https://iancoleman.github.io/bip39/. after input mnemonic code and check the derivation path, why is there Account Extended Public Key & ...
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1answer
384 views

After generating my own private key, what's the proper way to add it to official wallet software?

I've got some Go code that successfully generates private keys and vanity addresses as described by the wiki. So I have all the parameters around the private key but I'm not sure what to do with that ...
0
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1answer
889 views

How to make sure, Bitcoin private key and bitcoin address generator tools are generating valid key pair?

I find lots of tools/scripts written in python which can generate random number then using this random number it generates Bitcoin Private key(WIF) -> Bitcoin Address pair. I have tried verifying ...
2
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0answers
74 views

Managing the bitcoin address gap

We're in the process of setting up bitcoin payments to fund accounts in our system. Using the C# BitcoinLib (https://github.com/GeorgeKimionis/BitcoinLib) to interact with the Bitcoin Daemon. Our ...
0
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1answer
79 views

Which code part in bitcoin-core project generates new bitcoin addresses?

i am trying to find out which c++ code in https://github.com/bitcoin/bitcoin is responsible for generating bitcoin address and private key.
0
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1answer
472 views

How to generate Electrum address with pybitcointools

I want to create a payment service where I want to be able to charge each client according to its invoice. I picked Electrum as my underlying wallet and pybitcontools as my Python interface. I would ...
1
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1answer
458 views

How can I conveniently generate new addresses for my public key?

I generated a private key using dice, then wrote a script to konvert that private key to its corresponding public key in its secp256k1 elliptic curve format (a 65-byte number beginning with 04). Now, ...
3
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2answers
1k views

Creating address from private key (bitcoin puzzle)

I saw a puzzle here and I'm having problems understanding how the addresses are created. So the post there has a list of addresses like: Address 5: ...
2
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0answers
217 views

Generating a Vertcoin public / private key using javascript and bitcoinjs? [closed]

I noticed in the bitcoinjs library there are parameters to generate litecoin and dogecoin addresses. But how can this be used to also generate vertcoin addresses? Is this even possible using the same ...
3
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2answers
472 views

Why does bitcoin create several “empty” wallet addresses?

I'm currently running bitcoind -testnet. I ran bitcoin-cli dumpwallet ~/wallet-output just to explore the output and it looks like it created 102 private/public key pairs that I assume are just sort ...
6
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3answers
17k views

How to generate a testnet address?

Bitcoin addresses can be generated on this site https://www.bitaddress.org, but the test network needs m or n at the beginning of the address, where can those be generated?
1
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1answer
269 views

How to know how many bitcoins does my offline generated address hold?

Suppose I generate an address offline, using something like bitaddress.org And then I receive some bitcoins on this address. How do I know how much balance do I have on this address?
3
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2answers
679 views

How does a wallet come to know of Address just by importing Private key?

I have exported my Private key to Paper Wallet. Now, when we send/receive bitcoins, we send/receive them to an "Address". So suppose I receive some bitcoins on my address. I have the private key of ...
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1answer
80 views

Bitcoin public key pre-0.6 length before hashing

As I understand, since bitcoin 0.6.x, compressed and uncompressed public keys are supported. And the process from the public key to the address has the step that puts a byte in front of the public key ...
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2answers
493 views

Can bitcoin address be longer than 35?

Can bitcoin address be longer than 35? Does longer address indicate much lower chance of collision and/or higher security?
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2answers
653 views

Is there a litecoin / dogecoin scrypt brain wallet generator like the one made for BTC warp wallet?

Has there been other litecoin / dogecoin brain wallet implementations besides bitaddress? I don't feel bitaddress.org's brain wallet generator is secure enough as compared to Warp Wallet scrypt ...
0
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1answer
1k views

How can I sign a message with a litecoin private key and also generate a litecoin address from a string?

I'm working with bitcoinjs, but is there a litecoinjs equivalent? I want to be able to sign and verify messages with my litecoin private key and also generate litecoin addresses from a string. How ...
3
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1answer
1k views

Why the bitcoin address is not valid in any of the testNet faucet

I develop a simple Java/Maven/JSP app for bitcoin and generated the address 167Bqf3Mi3gnfhw5DhCfoYNTMxqANt3Zky I would like to send some money to this address from a bitcoin testnet faucet. I ...
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0answers
195 views

Understanding addresses [duplicate]

So according to many wallets, they say you should use a different public address for every transaction for security reasons. Are all of those public addresses linked to the same wallet/private key ...
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2answers
860 views

How does bitaddress.org ensure unique address?

You can use this service offline (as it's done with JS) so how can they possibly ensure a unique address is generated?
3
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3answers
11k views

How does one create a brain wallet from a seed using SHA256?

How does one create a brain wallet from a seed using SHA256? Is this possible? Could you please explain using the example seed "coinbase is awesome" (no apostrophes)? What is the resulting address?
0
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1answer
18 views

Is it possible to get a service provider , which provide stable, not-changeable BTC address.

My new employer prefers Bitcoin as the way of salary payment, but the address keeps changing, is it possible to get a non-changeable on, or is there is any other way to transfer bitcoins from one ...
0
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1answer
697 views

Is there a javascript library for generating litecoin address from a string?

Is there a bitcoinjs equivalent for litecoin? I want to be able to generate a litecoin address using a long string.
13
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3answers
899 views

What's stopping someone from taking over all the bitcoin addresses?

Anyone can generate unlimited bitcoin addresses. Presumably, there's a limited number of these (even if it's a very very large number). What's stopping someone from taking over all the bitcoin ...
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2answers
1k views

Which wallet libraries officially intend to use Bech32 addresses, and will the addresses generated by them be compatible?

I use several bitcoin wallets, and I would like to try Bech32 addresses when they come out. I initially thought to make a GitHub issue for Greenbits, but it seemed more appropriate to just ask such a ...
1
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1answer
704 views

What is the significance of version byte and address checksum in version 1 Bitcoin address

Pay to public key hash is used in version 1 bitcoin address. Bitcoin address is calculated by sha-256 -ing the public key followed by ripemd160- ing the result. The result can then be encoded in base ...
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0answers
40 views

Avoiding Bitcoin Addresses Collisions [duplicate]

Since every Bitcoin wallet can link multiple public keys / Bitcoin addresses to a single person, is there a mechanism in Bitcoin network to avoid 2 persons having the same Bitcoin address? Or it is ...
2
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1answer
11k views

What's the relationship of Bitcoin addresses to public keys?

A Bitcoin wallet can handle multiple private keys. In ECC, you can have 2^256 private keys, and for each key, you can have 2^256 public keys. Assuming that's right (please correct me if I'm wrong), ...
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2answers
92 views

Will there be a point in the future where moving bitcoins to a new address will make them safer?

OP_SCHNORRCHECKSIG: Exploring Schnorr Signatures as an Alternative to ECDSA for Bitcoin I've noticed (e.g., the above article) that newer forms of encryption are being researched and developed for ...
4
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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 ...
2
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2answers
404 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?
4
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1answer
319 views

Can you detect that the addresses generated by an HD wallet came from a single wallet?

Can someone who is looking at the blockchain detect that 2 or more addresses generated by a single HD wallet are actually generated by that single seed/HD wallet ? Can someone who does know that 2 or ...
14
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4answers
12k views

How are different Addresses generated from the same Private key?

I was reading in the "Technical background of version 1 Bitcoin addresses" that addresses are a function of the private key. More or less: Private Key -> Public Key -> Address If the Public ...
5
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2answers
11k views

How to generate addresses in PHP

I need some PHP code to generate bitcoin addresses from a given public key. I can only find algorithms to generate addresses from the master private key but according to https://en.bitcoin.it/wiki/...
2
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1answer
103 views

Bitcoin address security [duplicate]

I understand bitcoin addresses are randomly selected from such a large pool that the statistical chances of someone discovering your address is very low. In light of the above is it still not ...
2
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1answer
1k views

How do I generate multiple address with a master public key in pybitcointools?

I'm goofing around with this fork of pybitcointools and I got stock with generating multiple address for receiving coins with a master public key. So far, this is what I have: import bitcoin as btc ...
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2answers
482 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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3answers
570 views

Which bitcoin wallet allows me to generate and export a large number of addresses?

I need a software Bitcoin wallet (not web account based) that allows easy generation of many new payment addresses at once that are ideally stored in plain text, (bulk exported as plain text). The ...
2
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2answers
110 views

What would be a rational subkey depth to use so that my address is infeasible to locate via a systematic search?

Using pycoin. ku <ext_pri_key> -s 1/4/6/2/8/4/2/5....... How many levels deep into the tree would I need to go (using only single digits) before it would be infeasible for an attacker to find ...
3
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3answers
553 views

Is the SHA256 value in the bitcoin address wiki accurate?

From the wiki page https://en.bitcoin.it/wiki/Technical_background_of_version_1_Bitcoin_addresses the example of "How to Create Bitcoin Address" shows the SHA256 of: ...