Questions tagged [address-generation]

Collects technical details on the process of creating new addresses.

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1answer
450 views

What is the format of a bitcoin wallet?

I was wondering how bitcoin public and private keys are generated. E.g., a certain number of characters etc. And how one could tell a litecoin address from a bitcoin address for instance.
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1answer
420 views

how to get change address using derived BIP44 publicKey?

I have generated a private key using my master seed private key. PHP Code: $bip44 = HierarchicalKeyFactory::fromExtended($result['masterPrivKey']); $publicKey = $bip44->derivePath("m/44'/0'/0'")...
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1answer
695 views

generate HD addresses using publicKey Bip44

I'm just wondering if it's possible to generate HD address using xPub? I tried to create HD address using BitWASP-PHP with the following path: m / purpose' / coin_type' / account' / change / ...
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1answer
1k views

How to convert Bitcoin cash address to cashAddress Format in PHP?

I've been trying with cashaddress-php but it doesn't work because the address should be in hex format, I tried with hex public hash key it also didn't work. Invalid hash length [320 bits] for ...
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1answer
1k views

How to generate scriptPubKey?

My address is 389CLh5Ect2i7U5116gqjBSLykYHRmdcgZ. In request from site i see this scriptPubKey, how i can generate this scriptPubKey from my Address {scriptPubKey: "...
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1answer
411 views

Generate Bech32 addresses to receive customer funds

I would like to use Segwit addresses however I seem to be finding mixed information on compatibility. As I currently understand it, older clients will not be able to send to a Bech32 address. Is this ...
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1answer
2k views

If the bitcoin address changes every time, why there is more than one transaction for an address in the ledger?

I was checking a random address in blockchain.com, there are alot of transactions that is done over this address. While in the website it is mentioned that the address is changing everytime! So it ...
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2answers
476 views

Private key exported from Electrum, unable to recreate Address with Python

I have created a new Electrum wallet, and here is an address: 1JkZLnmFfpVFLT2ZMtKzc6BuXMdmY41EHA By right-clicking on it, I choose "Private key" which gives: ...
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1answer
212 views

Is there any later version of Bitcoin address generation, than 1?

I'm looking for the technical details regarding the format and generation of Bitcoin addresses. I've found this article, “Technical background of version 1 Bitcoin addresses”, on the Bitcoin wiki, but ...
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1answer
575 views

bip44 account discovery

In Bip44 "Account Discovery" section, there is following sentence: We scan just the external chains, because internal chains receive only coins that come from the associated external chains. (...
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1answer
767 views

Algorithm to go from seed to 20 (or more) addresses

I'm currently reading the Electrum sourcecode to figure out how to go from seed (12 words) to addresses (in usual format). Does someone have the big picture of this process in mind? More precisely I'...
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0answers
1k views

how to get the private key for an used address ?

I have used an address generated by Exodus wallet. whats happened is that my bitcoin confirmed but didn't receive any thing on Exodus wallet. I want now to import private key in another wallet. but ...
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1answer
361 views

Bitcoin wallet address format representation

I want to send coins from my ether wallet to another bitcoin wallet that I have got. I entered my bitcoin wallet receiving address, but MyEtherWallet transaction convert it to another address format ...
3
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1answer
747 views

How to find the wallet balance?

I'm trying to find the balance of specific addresses in a wallet. I basically have the master key which I use to generate addresses but I wonder, is it possible to find the derived addresses that have ...
2
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0answers
129 views

Why bitcoin does not generate and support Segwit addresses by default automatically?

I downloaded the latest bitcoin core, but the generated wallet and address was not a segwit. Why bitcoin core, does not support segwit by default? and when it will be changed?
3
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1answer
109 views

What's relationship to each address other in Bitcoin Core?

I just made two and more address in Bitcoin Core wallet. Is there any relationship to each address? Like based on seedphase? or Just literally making 'random' address? If so, an attacker can hack ...
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2answers
6k views

How is a Litecoin address generated?

How is a litecoin address generated? What hashing do they use? For example, bitcoin addresses are generated like so: https://en.bitcoin.it/wiki/Technical_background_of_version_1_Bitcoin_addresses I ...
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1answer
394 views

How can I recover private key as coins were sent a random generated address on wallet?

There is a new address where the coins reside and asks for a private key. How can I send coins from this new random address without knowing the private key? Software: http://www.sollico.com/...
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2answers
2k views

How does bitcoin core generate a receiving address without using my private key?

I downloaded bitcoin core from github. Now I have imported the complete blockchain and am examining the bitcoin core interface. If I click on >File >>Receiving addresses I see that bitcoin core has ...
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2answers
754 views

Why Bitcoin address are 25-34 bytes long when RIPEMD 160 & SHA-256 are only 20 bytes and 32 bytes long respectively?

(I'm new to Bitcoin & it's technology so correct me wherever u can) .Recently I was reading about Bitcoin and it's underlying technologies. I came to know that for generating addresses Bitcoin ...
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1answer
346 views

Get wallet address when creating wallet with blockchain API

Using the API endpoint http://localhost:3000/api/v2/create I get this response: {"guid":"58671a54-7d60-4319-8742-b06fb2a8d060","address":"...
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1answer
97 views

how does bitcoind functions in bitcoin exchange model?

i mean exchange allows every users a unique BTC deposit address different users sends btc to different addresses but BTC endsup in same wallet can i create multiple receiving address by bitcoind (...
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1answer
1k views

Replacing ECDSA (SECP256k1) with Schnorr signatures

On March 23, 2017 the Bitcoin Core team published a technology roadmap, expressing their intent to replace ECDSA (SECP256k1) with Schnorr signatures: https://bitcoincore.org/en/2017/03/23/schnorr-...
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2answers
6k views

How to get bitcoin address of any private key?

calling bitcoin-cli dumpwallet returns wallet private keys and addresses. Example L34D2hAS9KBJQzJkHtmNt1bdSJ18cQUvfSnJEqPKH2oUj6sBxvXt 2017-11-23T05:11:13Z reserve=1 # addr=...
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0answers
118 views

how many unique bitcoins address can be generated in one address pattern

Example address prefix given below 12cgpRC5r7zakGBfRGf5RQfGCgTnp7K1Yb 12cgpFkDMJXdwck9YHrrFsWP8PgxXjtBS7 12cgpcjw2628NPAPMvzSWF9Vh2tcUJrpAa 12cgpDmDJnugoRHeAfief7KSiUFvNPF5MY ...
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3answers
592 views

Bitcoin Gold Ledger Derivation path

What derivation path for creating addresses is used in Ledger for BTG? Generated address from the device doesn't correspond the address from the path m/44'/0'/0'/0/0 that is shown for BTG in BIP39 for ...
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1answer
1k views

How to generate bitcoin addresses on the command line or with python?

Is there an easy way to generate bitcoin addresses with a commmand-line tool? I am interested in the following requirements: Reliable, secure and standards conform, with good entropy Generates ...
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1answer
92 views

what prevents from address generation to accidentally use an existing one? [duplicate]

How come bitcoin addresses are created in a split second on my wallet app? what promises the address doesn't override a current existing address? I guess the same question applies for a private key...
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1answer
126 views

How do wallets know that address is not duplicated if I'm going to make one? [duplicate]

Let's assume that I'm going to make a wallet through Electrum that has some Bitcoin address. So then, How Electrum do know that is not duplicated(Already owned by another person)? Are we just ...
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2answers
2k 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?
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3answers
1k 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
290 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 ...
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1answer
641 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 ...
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2answers
1k 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 ...
6
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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: ...
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3answers
7k 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 ...
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0answers
136 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 ...
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1answer
720 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
5k 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 ...
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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
423 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 ...
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1answer
908 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
76 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 ...
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1answer
81 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.
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1answer
521 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 ...
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1answer
491 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, ...
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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: ...
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0answers
230 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
629 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
21k 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?