Questions tagged [address-generation]

Collects technical details on the process of creating new addresses.

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Is it safe to use the same BTC address for an ongoing exchange DCA?

I'd like to ask a question about re-using an address for a DCA. I've searched the forum and found some similar answers but nothing exactly which describes my situation. I have an auto DCA set up from ...
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1answer
37 views

Create a 2-3 multisig address without syncing entire blockchain

I have a hardware wallet, a seed, and a specific private key. I want to create a 2-of-3 multisig using these 3 items. So the only option left is the option of creating a multisig using just private ...
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37 views

Addresses After passphrase generation in wallet.dat

Say I generate a passphrase with bitcoin core to a wallet.dat, but also have a copy of it before the passphrase generation. Will EVERY address I'll generate AFTER the passphrase will NOT be accessible ...
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How to convert script_pub_key of type pubkey to public_key

This is a recurring question (see Parse the output field of getrawtransaction to generate a common address hash ), but I have a different spin. Consider the following scriptPubKey field: "...
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Is it possible to convert a taproot address into a native segwit address?

A few days ago I requested a BTC withdrawal on Binance, I used a bc1p address and the request went through as usual without any issue or warning. (my first time using taproot address). Binance checked ...
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Parsing bitcoin output script to pull address from genesis block

I already looked at the similar question - link and Genesis block but I have a different problem. I am parsing transaction 39ed112558fd501424e3b33bbcbf853ef9f24536ef0f8e6fbad2f5c5098173ad which has ...
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1answer
40 views

Can I always set the first byte to 0x02 with the following implementation?

I've followed this tutorial on generating a Public Private key pair value and generating a valid Bitcoin address. But one part makes me wonder if the implementation is done correctly which is the ...
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blockchain.com api | How generate "Legacy" & "Nested SegWit" & "Native SegWit" addresses for receive separately?

Please check out this link : https://www.blockchain.com/api/api_receive As you see we can generate receiving addresses for our customers using this api. My question is what is the type of that ...
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3answers
72 views

Generating 1000s of addresses

Ok so I am a business trying to accept crypto as a form of payment, but can't seem to figure out how I can generate 1000s of addresses (for each customer) to pay crypto to me? Or would there be some ...
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2answers
121 views

How do Electrum/Sparrow/Caravan generate multisig addresses?

I'm trying to "manually" confirm the Bitcoin addresses that Electrum, Sparrow, and Caravan generate from a deterministic multisig addresses. As an example, I have the following 2-of-2 wallet:...
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Script type test vectors

I'm looking for test vectors, assuming xpub or public key to derive various script type addresses out of it. Something along the line of https://bip32jp.github.io/english/ but not only for P2PKH, but ...
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1answer
258 views

Generate BTC Private key from user string input

I am looking to generate a Bitcoin Address from an user input text (like the good old days Brainwallet). User input a "Text string" and based on this text string generate the corresponding ...
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1answer
95 views

Can output descriptors be used to encode any Miniscript expression?

Output descriptors provide a standard to make address bodies more exchangeable between various wallet implementations. It seems that an output descriptor can be used to encode any Miniscript ...
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2answers
57 views

Why do wallets have more than one key pair?

I was looking into wallets and the information that they contain. I found this post: What information does a wallet contain? I thought that wallets have only one key pair. Why is there more than one ...
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Nothing-Up-My-Sleeve BTC Addresses [duplicate]

I've been researching some crypto related concepts and came across "Nothing-Up-My-Sleeve Numbers" and from what I understand I can generated a Bitcoin address that basically comes with an ...
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Bitcoin BTC wallet receive addresses

I want to create 100 to 500 to 1000 BTC receive addresses. It should not expire. Is it possible ? Is it possible in Bitcoin core ?
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can we have multiple BTC addresses that all of them store their values in the same place?

I am creating my own shop and I will give each user an address to specify who is sending me BTC but when I want to collect all BTC address values to my main address I need to pay fees a lot since each ...
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1answer
67 views

Payout address format has changed?

When I run bitcoin-qt, it sets up a default wallet. When I ask it for the recipient address for this wallet, I was expecting something like 1FGasdfasdfasdf123asdfasdf. However what it actually ...
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1answer
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HD addresses and traceability question

Say I have 1 underlying Bitcoin address, and it has receiving address A and B, and they both received 2 BTC each. If spend 3 BTC then A and B would have spent together so it's probably traceable. What ...
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1answer
71 views

Is it possible to find additional key pairs resulting in the same address that I already control?

I'm not really well versed in the necessary terminology to get the answer I need from searching. As I understand, there are 2^160 possible addresses, and 2^256 possible private keys, so each address ...
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1answer
92 views

How do you generate a Bitcoin wallet by hand?

I am interested in the exact process for generating the various components of a Bitcoin wallet by hand. Specifically, the components I'm interested in are: Private Key Public Key Public Key Hash ...
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1answer
114 views

Deriving payable address from mnemonic using BIP44

I'm trying to go from seed phrase/mnemonic to payable address using BIP 44. Here is a simplified version of the code I'm using. However, when I compare with https://iancoleman.io/bip39/ the private, ...
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1answer
145 views

How to create a physical/paper backup for bitcoin-core wallet?

I am using bitcoin-core for my offline storage. In electrum I can do a paper backup by writing down the mnemonics. bitcoin-core seems to be using a different mechanism to generate the wallet. What I ...
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1answer
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I bought bitcoin years ago and now the website that I bought from is unavailable!

I bought bitcoin years ago and now the website that I bought from is unavailable! I only have a key that I don't even know whether it's a public key or a private key or some useless key generated by ...
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1answer
55 views

Why is BIP32 not simply PublicKey multiplication?

I understand that: pubkey(a + b) = pubkey(a).combine(pubkey(b)) where a and b are secret keys. (See: https://crypto.stackexchange.com/q/83694/17505) If, under the circumstances: Bob wants to pay ...
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Generating Multiple Addresses

Most wallets these days generate a set number of addresses when you create the wallet. For example, Electrum creates 30. But what if you need more? I know from talking to a LOT of people that there is ...
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1answer
262 views

Python: Why the addresses and keys generated by pywallet and bip32utils using the same 12 mnemonic words don't match?

I tried to generate wallets by using pywallet and bip32utils (Python). But I noted that the addresses/keys of the 2 wallets, namely wallet_pywallet and wallet_bip39 don't match with each other. I ...
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How to "create new receiving address" from recently installed full node, (0.21.0) with new encrypted wallet?

On March 11th, 2021, I completed my downloaded of the full node from Bitcoin Core, (Bitcoin-0.21.0-win64-setup), on my Intel(R) Core(TM) i7-10700 CPU @ 2.90GHz - 16.0GB, Windows 10Pro. I created a ...
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1answer
453 views

How are Electrum addresses connected to my private key?

I've started using Electrum and created my first wallet. I saved the private key seed on a piece of paper. I also created a new address by going to the Receive tab and clicking "New Address"....
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Understand how wallet genereates keys

I'm trying to understand how keys are generated by wallets in details and what different approaches that are used. More specifically I'm interested in how Electrum does this and how the deterministic ...
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1answer
55 views

Which address should be used to send the money as target?

We operate a market, there are sellers and buyers. Seller has Hierarchical Deterministic Wallets. Seller give us the Xpub. Which address should be used as destination, when buyer wants to send money ...
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1answer
183 views

How to derive BTC m44 addresses from xpub?

I checked Swan's Address Derivation Library https://github.com/swan-bitcoin/xpub-tool. I try to get m44 address, but I got m84. Why? Do you know is it any parameter to force return m44? I tried to ...
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893 views

How does the Bitcoin protocol deal with address collisions in wallets?

I understand that one can create a Bitcoin wallet as a pair of numbers (public & private key) with the right specifications and this is done quite easily in places like bitaddress.org I also ...
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1answer
137 views

How do you generate a qr code for a new address and check for incoming payments from the command line?

Which one do you recommend for this Command line to generate QR-Code + address for requesting money Command line to check if the above has been received I don't want to install too many versions of ...
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1answer
142 views

Exodus exported private key

I'm trying to understand why I'm having a hard time at importing exodus private keys in other wallets like jaxx o scatter. I can't understand why I don't get the public address from the private key ...
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1answer
71 views

Two kinds of Bitcoin addresses issued with bitaddress.org

I forked the bitaddress.org repository and generated a new paper wallet. On the output page there are two addresses generated: one "regular" and one "short address". Both start ...
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838 views

Create a non-SegWit address in electrum wallet

I am trying to get along the electrum wallet command line in ubuntu. However, my exchange only accepts withdraws to canonical non-SegWit addresses (i.e. it only generates with a "bc1" prefix)...
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1answer
463 views

How many bytes does a Bitcoin address weight?

One of the biggest issues of Bitcoin blockchain is the ever increasing size. Each address has a weight in bytes or bits. What’s holding someone from creating trillions of different addresses and ...
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1answer
105 views

Three different HEX having same wallet address how possible?

HEX1: 1111111111111111111111111111111111111111111111111111111111111111 public key: ...
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4answers
692 views

What is the relationship between a Bitcoin Private Key / Public Key / Address?

What is the relationship between a Bitcoin Private Key / Public Key / Address? I see that a private key / public key pair is generated, but is there a possibility of generating a private key already ...
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1answer
274 views

How can I determine the address from a private key?

From the steps in the wiki, take this example private key: 0C28FCA386C7A227600B2FE50B7CAE11EC86D3BF1FBE471BE89827E19D72AA1D When I import this into Electrum, I find these values: Address: ...
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1answer
66 views

How to generate new wallet address per token

I'm using getnewaddress bitcoin-cli function to generate wallet addresses but i need one address per token. Is it possible to use a parameter like seed for random numbers to get the same address when ...
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1answer
438 views

How to generate valid BTC address to withdraw coins to

I set up bitcoind, and the complete blockchain is synced. I created a wallet, and I loaded the wallet. How can I generate an address to deposit BTC to? I tried bitcoin-cli getnewaddress and I get this ...
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2answers
560 views

Generate address of 'private key' from user input

I want to take a private key as input from the user and convert it to a wallet address using C#. I have seen this in a tutorial to generate a random key: Key privateKey = new Key(); PubKey publicKey = ...
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2answers
762 views

What is needed to generate a bech32 address?

So I wrote a vanity address generator in c# with the NBitcoin lib. When I use the private key used to generate the address and input it in Mycelium it outputs a different address. This does not occur ...
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167 views

How to use UTXO of xpub derived addresses?

I'm new in Bitcoin, this is something I'm confused with. If we are deriving children, i.e. public keys, from xpub, without private keys, for the purpose of receiving outputs, how are we able to spend ...
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1answer
1k views

How do I construct a P2TR address if I just want to use the key path?

I want to create a P2TR (Pay to Taproot) address but I just want access to the key path spend, I have no use for the script path spend in this specific example. What should I do in regard to the ...
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1answer
60 views

If I only know my private key, can I still login to my wallet, even if this requires some calculations?

I keep my 12 word mnemonics carefully off line. But suppose I just had my private key left after some disaster or other could I then, after some procedures, log in to my wallet ? I can see that I can ...
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2answers
177 views

Public Keys Prefixes and Derivation Paths

When importing an zpub, for example, to a wallet, does the wallet understand it should recreate a set of addresses using the derivation path "m/84'/0'/0'" and the script type "p2wpkh&...
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171 views

How Bitcoin nodes validate a new wallet

I have a cuple of questions about how wallet creation works. If I create a Bitcoin wallet offline, is there any way of like validate the new wallet, I mean, what if this wallet already exist? I know ...

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