Questions tagged [address-generation]

Collects technical details on the process of creating new addresses.

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1answer
98 views

Can I generate an address without using bitcoin core?

I am running bitcoin core in my mode. I am using getnewaddress to generate an address and then I am using unspent to get the unspent of an address which returns the unspent successfully. If I created ...
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1answer
198 views

How are 21 words seeds generated

Apologies for the noobie question. I was wondering how a range of wallet addresses (eg. BTC address 33ELbMhwHw5AaKHU4u3MzVSFvvK7aa7HZL) is algorithmically converted into seeds (eg. 12 words). Any help?...
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1answer
373 views

Generate QR code for multiple cryptocurrency addresses

I want to generate my own QR code with my main cryptocurrency addresses without using an online solution, is there maybe a command prompt way or particular piece of software I cam download for this, ...
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1answer
852 views

How to generate a native Segwit address and P2SH Segwit address from a standard WIF?

Can I have the steps to generate a native Segwit address from a standard WIF? And the steps to generate a P2SH Segwit address from the same WIF? How do these two formats differ and why are there two?...
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1answer
318 views

Benefits of generate address from sha256 hash than random address

Is there any benefits (eg: better security) of generate a address from SHA 256 hash vs generate a random hash? Generate adress from a SHA 256 hash var value = Buffer.from('correct horse battery ...
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1answer
2k views

python-bitcoinlib | Create Private Keys, Public Keys and Addresses - How to Do It?

I'm trying to use the python-bitcoinlib library but its docs aren't entirely clear to me. I'm a programmer but quite new to Python, and not very versed in the Bitcoin protocol. What's the process, ...
2
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1answer
860 views

How to generate a Litecoin testnet addresses (Segwit also) (Derivation path, bip32)

I'm creating a wallet that generates address for litecoin mainnet in two ways. One is using bitcoinjs-lib. This library has an object with all the data need it to create private keys and address: ...
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1answer
993 views

How can I generate bitcoin cash addresses programmatically? [duplicate]

If I'm a mobile developer who wants to integrate bitcoin cash in an app, how can I generate Bitcoin Cash addresses programmatically, without relying on a 3rd party service, like Coinbase?
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3answers
1k views

ELI5: What is Base58Check encoding?

I've seen posts on how to do it and I've read the wiki on what it is, however these explanations are too complex. Can someone explain what it is and why it's called Base58Check encoding? Are addresses ...
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0answers
178 views

bitcoinjs-lib seems to skip a step in deriving addresses from a BIP 44 wallet

According to this wiki page to create a bitcoin address, 1) you have your public key of the properly derived path 2) Then SHA256 it 3) Then RIPEMD-160 it, Add version byte at the front and boom ...
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0answers
1k views

How login in Bitcoin wallet using private key

We're working with a ICO project based on NEO Blockchain. We've requirement of getting payments through NEO, ETH and BTC. We're using deposit address concept to get payments from the users, and for ...
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2answers
373 views

base58 cannot get 34 chars results (as Bitcoin address does) but 68 chars

I am trying to convert public key hex to Bitcoin address. From this website http://gobittest.appspot.com/Address, I can do some test. For example, I have this public key: ...
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0answers
152 views

Would it be possible for an 8-bit microprocessor to create a bitcoin keypair?

Context for question: With the latest security breaches around modern CPU's (Spectre / Meltdown) I was wondering if we could generate ECDSA keypairs on cheap, small and/or simple air gapped (micro)...
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1answer
293 views

Zcash wallet generation

How to generate Zcash address and private key by a mnemonic seed, in nodejs or python? Is there some lib like bitcore-lib or ethereum-bip44?
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1answer
158 views

bitcoinTestnet Network returning a mainnet address

I'm using this code to get a new address from an extended public key: $index = 97; $change = false; $key = HierarchicalKeyFactory::fromExtended($tpubaddress, NetworkFactory::...
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1answer
89 views

Does copay accepts multiple payments?

I am a bit confused as to whether copay wallet accepts multiple payments to a single address based on the phrasing "wallet generates new addresses automatically once you use a bitcoin address once"......
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2answers
3k views

How to generate a new extended public key (xpub)?

I have a need to generate a new extended public key (xpub). Examples: xpub6CUGRUonZSQ4TWtTMmzXdrXDtypWKiKrhko4egpiMZbpiaQL2jkwSB1icqYh2cfDfVxdx4df189oLKnC5fSwqPfgyP3hooxujYzAu3fDVmz ...
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1answer
33 views

Are wallet address generators considered a dapp? like bitaddress or warp wallet?

Is bitaddress or warpwallet generator considered a dapp? They aren't tied to centralized server when you use the application to generate your own addresses and it can run by itself.
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1answer
1k views

Is there a way to generate new addresses for someone else's wallet?

I thought I saw this feature existed somewhere but I can't find the reference. Use Case: Alice needs to keep sending multiple bitcoin transactions to Bob, and wants to use a different payment address ...
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1answer
247 views

Why does my implementation of hex to Base58check produce different results than the example?

Step 8 of this wiki page gives this hex value: 00010966776006953D5567439E5E39F86A0D273BEED61967F6 Step 9 converts it to this base58 string:16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM I'm trying to implement ...
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1answer
544 views

How do you output segwit bech32 (bc1…) / P2SH (3…) addresses from a bitcoin private key?

I have a bitcoin private key and know that it can output a segwit addresses of bech32 bc1... and p2sh 3... formats. How can this be done easily?
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1answer
777 views

How to sweep a segwit bech32 private key?

I'm testing segwit bech32 addresses and generated the following using bitcoinjs: address: bc1qc7u5njf4nf2rj3zys642mfc7nct6kdven8j4e9 private key: 5Kkzs8XrJNAmf9VQDFeGBfaRvSByAvPK6DbDXw5BVqswWaXSG2Y ...
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1answer
503 views

how bitcoin core generate addresses?

how does bitcoin core generate addresses and where can they be found in the data directory?
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2answers
50 views

When you create a multisig address from existing addresses, do the funds move there?

If you have three addresses, lets say A, B and C and they each have 1 BTC. When you create a multisig address out of the three addresses, will it have a balance of 3 BTC or do you have to send the ...
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1answer
59 views

Subscription-based payments

I'm writing a web application that will require subscription fees from users. I'd like to automate this process without relying heavily on 3rd party services (web-based wallets, etc). Currently, this ...
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1answer
52 views

Generate cryptocurrency addresses on server

I want to generate cryptocurrency addresses (e.g. for top 10 cryptocurrencies on CoinMarketCap) on my server and be able to send transactions when deposit arrives. Can I do that with CLIs or there is ...
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1answer
204 views

New address generation on exchange services

Services like ShapeShift generate new addresses for each transaction. It is not clear how to they do that. I didn't find any API that supports address generation for such a big amount of coins like on ...
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1answer
86 views

Is it secure to put a wallet address on one's business cards as a QR code?

As a company, we're making business cards, and would like to put our bitcoin addresses on our business cards as QR codes. Yet, I know that it is a best practice for wallets to cycle addresses - I mean,...
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1answer
128 views

Bitcoin cash wallet with ability to generate new addresses

I'm looking for a wallet that can generate new addresses. I've seen some wallets that do generate a new receive address for Bitcoin, but I'm not sure if a new address is used when Bitcoin is sent. I ...
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1answer
210 views

Does BIP44 key derivation path protects private keys derived within same account?

I understand that with Un-hardened parent extended public key child private key This will leads to compromise of parent private key and so all the private keys of siblings BIP44 suggests the path ...
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1answer
79 views

How Bitcoin wallets avoid address re-usability?

As we know, address reusability compromises both privacy and security. My question is how Bitcoin wallets avoid address reusability? Is wallet generates an address from index 1 and scan blockchain ...
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1answer
161 views

How does Bitcoin Core know that your private key relates to your public address? Are the private keys stored?

When a user creates an account on Bitcoin Core, he is assigned private keys. And he needs to use these private keys in order to send transactions onto the network. Does Bitcoin Core store these ...
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1answer
960 views

Why is Bitcoin address encoded in base58?

Why does bitcoin address encoding use base58 instead of, for instance, base64? I don't see it is useful in any way.
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1answer
70 views

How could you differentiate if the bitcoin address is from master node or derived nodes?

Given that I have these two random generated bitcoin testnet addresses, could you tell if it is the bitcoin testnet, master node or derived nodes, if we discuss bip-0032 spec (Master key generation)? ...
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3answers
903 views

How to generate multiple public addresses using one private key?

I want to generate multiple btc addresses using one private key. I am using pywallet library but each child address also have the private key. Can I use one private key for multiple addresses (if they ...
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1answer
109 views

What is the likelihood that an xPub child address is not owned by the same xPub address holder?

Kind of an odd question, and I'm pretty sure the answer is, "extremely unlikely," but wanted to see what the community thought. Secondary question: How sure can one be that the addresses ...
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1answer
356 views

Use old legacy bitcoin private key generated from 2012 to generate a segwit address

The old legacy addresses starts with 1 and the new ones start with 3 and bc1. Can I use my old private key from 2012 to generate a bc1 address? And how so?
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3answers
525 views

How do you generate a receive address from a string? [closed]

I already have a an address with Bitcoin and would like to generate a receive address using SHA256 hash which is based on a string. I've found an example of creating an address using a SHA256 hash: ...
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1answer
231 views

Bitcoin segwit addresses from HEX

I loved those two https://github.com/grondilu/bitcoin-bash-tools https://www.bitaddress.org/ because you can convert HEX into WIF private key. Is there something similar what allows to create ...
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2answers
933 views

Why is my segwit private key generating a 3 address vs a bc1 address like how I originally generated?

I have the following btc private key that I generated from another application: 5KCPzu4tEAnFqwLrXUbW3GKMDSnUYY8CMie2HMRuHouSvrFhXA9 That application gives me the following segwit address: ...
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1answer
232 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
319 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
423 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 ...
2
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1answer
746 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
363 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
1k 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
283 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
189 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
404 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. (...