Questions tagged [address]

This tag should be used for Bitcoin addresses. A Bitcoin address is an encoding of the hash of an ECDSA public key or a script. Knowledge of this value allows a user to send Bitcoins to another person over the network. Bitcoin addresses begin with a '1', '3', or 'bc1'. Not to be confused with mailing addresses or IP addresses.

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Version prefix used for Bech32 addresses

I was compiling a table for Version prefix (hex) and Base-58 result's prefix for different types of Bitcoin addresses. I came across the content here: https://en.bitcoin.it/wiki/...
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Attacker Changing Address to Receive Block Reward [duplicate]

A miner creates a block B which contains address α, on which he wants to receive his rewards. An attacker changes block B, such that instead of α it defines a new address α’, which is controlled by ...
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Is there any available way to discover/find the public key of a specific address?

Is there any way to discover/ find out the public key of a specific bitcoin address? If not, are there any available tools online to help find the public key of a specific bitcoin address?
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Can I find a bitcoin wallet from an address directly from blockchain data? (not website)

For example https://www.walletexplorer.com/wallet/03457b955f9c055c/addresses shows all the addresses linked to wallet 03457b955f How do they do that? Thank you !!
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Public key management

There is something i am not sure to understand on bitcoin private/public keys and addresses. A new bitcoin user "U" first generates a private key. He can compute several public keys from ...
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Is there a way to a get a list of all address tags from Blockchain.com? (either by scrapping or API)

I am looking to get the most complete list of address association with entity names. I am thinking blockchain.com must have a good one but here https://www.blockchain.com/btc/tags?filter=8&offset=...
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1answer
43 views

Find the sender address specific date

What is the Senders address to this address in July 1, 2017 to 33ox8sprJPoz7C3doQmi3ArKqkfbPErfKy in totall 4 BTC
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1answer
167 views

Securely erase a previously used address from bitcoin-core

I'd like to completely delete an address from bitcoin-core, in such a way that someone who obtains all the data on my computer could not find out I ever used that address. Is it enough to delete ...
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How does bitcoin core calculate the local address score [duplicate]

For example, I have a node running with an ipv4 and an onion address, when I run the bitcoin-cli getnetwork info it have a field called score, and is unique per address. But, how the core calculate it?...
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Why is BIP32 root key different for different standards(purposes)?

When generating key on https://iancolemen.com/bip39/, the BIP32 Root Key changes as I change the derivation path tab, e.g. BIP32, BIP44, BIP39 etc. Why is this the case? Isn't BIP32 Root Key the m at ...
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How to extract all the bitcoin addresses with bitcoin-cli?

I am trying to get all existing addresses on the bitcoin blockchain with bitcoin-cli. It seems that I can get addresses from vout that are of type "pubkeyhash". If the type of vout is "...
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Is the first input in a transaction always the sender's?

I'm trying to figure out what the input address is from a transaction with multiple inputs. Can it safely be said that the first input in the inputs of the transaction is the sender's?
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How Many Clients Could Not Send to Bech32 Addresses?

For my client, I have set up a custom BTC payment solution using BTCPay Server. The wallets I have configured in BTCPay Server produce only bech32 (bc1xxx) addresses for payments (cheapest ...
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Bitcoin Core Address

Hi how can I look up my bitcoin-core address. I have generated multiple addresses to received bitcoins but when I look them up in a bitcoin explorer they do not show the balance I see in bitcoin core. ...
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1answer
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how to generate bech32/segwit address from pubkey in golang

I am trying to generate bech32/segwit address in golang with the following code: var pubkey *btcec.PubKey address, err := btcutil.NewAddressPubKey(pubkey.SerializeCompressed(), chainParams) if err != ...
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Safest way to validate typo

Let's assume that I have small crypto exchange site called "MyExchangeWebsite". It works like this: user creates ETH-BTC order, specifies his BTC address and sends ETH to my ETH address, I ...
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1answer
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Is it safe to say that all bitcoin that is mined is staying in the bitcoin adresses that is generated between 2^0 and 2^256?

We know that bitcoin adresses are generated with a 256 bit number(the amount of multiplication that is used on secp256k1 curve). So there can be 2^256 addresses at most where all the bitcoin sits on. ...
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signmessage and verifymessage CLI commands not accepting Address from getnewaddress?

I am trying the following commands on my v0.19.0.1 Core implementation: CLI signmessage $(CLI getnewaddress) <message> and the identical CLI signmessagewithprivkey $(bitcoin-cli dumpprivkey $(...
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398 views

How can a user or wallet have multiple addresses at all if out of a private key can be generated only a single public key?

A user of a wallet, regardelss of a version of a wallet, can generate as many addresses as he wants, right? Since an address is basically a public key, and in "private-public key" ...
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1answer
102 views

Can I recover btc sent to an incorrect address? (electrum)

So I have an electrum wallet and I sent about $150 in btc to it. That all worked but when I tried to send it to another address, it didn't go through. Looking at the transaction, the btc went to an ...
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I sent money to myself with Bisq, but I have not recieved it?

I sent money to my own wallet address, from my wallet on Bisq. I did not receive the money, even though the payment is completed and has a check mark. In transaction, it shows just a withdrawn, ...
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1answer
66 views

How to check if one transactions is from the same wallet (public key) as a previous one

I wonder how to figure out whether one Bitcoin transaction is from the same wallet (public key) as any previous transaction in order to proof the ownership of a wallet.
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2answers
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Electrum wallet address not showing

I've just installed the electrum wallet accordingly said by every other website but wasn't able to find my wallet address under the receiving tab or anywhere as mentioned over the internet. Also what ...
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1answer
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API for top bitcoin addresses sorted by available balance [closed]

Is there any API from where I can get the list of top bitcoin addresses sorted by available balance? I know there are many websites out there listing Bitcoin rich list but I need an API.
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1answer
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How to use the lightning network with Electrum multisig wallet?

I want to experience the lightning network transactions with my Electrum wallet. But the lightning network is not available, and it shows the following information: "Lightning is currently ...
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Explain how unused addresses in wallet.dat have no balance when mining occurred for many months

I have a wallet.dat file with many zero transaction/(unused) addresses in it with keys assigned to each address. I’ve done research and there’s quite a bit of info about mining back in the day (2013-...
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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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Address Reuse for Multisig Address

It is De facto standard that address should not be reused, and even Bitcoin officially emphasis address should not be reused. Does the same condition apply for Multi-signature address ?, If Yes apart ...
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1answer
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Address generator error with python

I had created a script that creates a bitcoin private key, public key and address, for checking if all works fine I create one and check the private key on https://walletgenerator.net/, and it outputs ...
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1answer
72 views

Is there a CUDA binary to convert a brainwallet string to a BTC address?

I am looking for a CUDA program which will take a single argument, a brainwallet password, and output a BTC address. After reading through several threads on how to convert passwords to public keys, ...
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52 views

How to check if a given address belong to an exchange

Does any exchange provides any public information about its private keys managed BTC addresses, or is there any service that provides this information?
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How does a game like Satoshi Dice avoid de-anonymizing users?

When considering games like satoshi dice or many other more typical online casino games, how do they handle awarding prizes? It seems like they pay back to the original input that sourced capital to ...
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Unknown Address Format Parsing Bitcoin Addresses from Blockchair Data

I've obtained a list of all current Bitcoin addresses with balances from Blockchair, which is downloadable from their data repository located here. I have downloaded the Bitcoin / Addresses TSV ...
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What are the minimum and maximum length of a Mainnet Bitcoin address? [duplicate]

The wiki says that A Bitcoin address is an identifier of 26-35 alphanumeric characters. Is this information up-to-date? Even the Bech32 address bc1qar0srrr7xfkvy5l643lydnw9re59gtzzwf5mdq given as an ...
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2answers
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Bitcoin Core internal Electrum Server

Is there a technical reason for which there isn't an option in Bitcoin Core that would deploy an internal Electrum Server, or something similar so that a software wallet can fetch addresses and ...
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Convert public address to large integer

I need single integer converted from public BTC address. Is it enough to Base58Check decode the address and I will get hex/binary format of that integer or do I need to do something more? What will be ...
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56 views

Correct Approach for Payments on Multiple Addresses

I have clients that would like to pay for services in BTC. TL;DR To generate a new payment address must I generate a new private key (essentially a new wallet)? Is it better to generate independent ...
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1answer
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Relation between bitcoin address/private keys size and number of characters?

Bitcoin address is 25 bytes long, address = [Version Byte (1)][Hash 160 (20)][Checksum (4)] whereas number of characters in this string are 34. Same with private key: 32-byte have almost 52 ...
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4answers
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How can I move bitcoin from one exchange to another without mining fees?

I have held bitcoin since 2010. At the time coinbase opened one could type in the bitcoin address and public and private keys from paper into their wallet and voila the coins were available for ...
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1answer
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Can I know if a bitcoin private/public key or address was derived from another key in an HD wallet by its structure?

If I have a bitcoin private key, public key or address, can I know if it is a root private key or some other part which derived from a root private key in an HD wallet by the structure of it? To be ...
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2answers
167 views

convert private key to bitcoin address using python or php

I have private key like this 5JYJWrRd7sbqEzL9KR9dYTGrxyLqZEhPtnCtcvhC5t8ZvWgS9iC how to convert to bicoin address using python or php? example bitcoin address 18V7u8YNHKwG944TCkzYYj32hb6fdFPvQf
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My receipt is Faded

Basically after purchasing my bitcoin from atm machines i put receipt in wallet by the time I went to use it some of the the receipt was faded to were i can't read it and it won't even scan. What do ...
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Pros and Cons of each address types

Can someone explain benefits of using p2pkh, p2sh, bech32, p2sh-p2wpkh, p2wkph, p2wsh.. and so on from what I know, bech32 is most recent, but what would you say is the best?
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Is there a database of wallet addresses with lost private keys?

Hi is there a database of wallet addresses that have lost the private keys?
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Unspent bitcoin transaction

So about two weeks ago i sent bitcoin to a friend, and it was confirmed but in the summary it was listed unspent, he claimed not to have received. I was really confused since then, now this morning i ...
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How to calculate z and z1 from ecdsa signature [duplicate]

Can anyone explain me any clearly answer or code in python with examples how we can calculate z and z' value fromECDSA Signature order? I search in google and youtube and i not saw any correctly ...
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Bitcoin sent and confirmed on my side but not recieved [duplicate]

I sent 2 payments to a bitcoin address I checked the address many times and it was correct, even got a second pair of eyes on it. However the payment was never received yet conformed on my side. The ...
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61 views

Decodescript for a Testnet pubkey hash address

This is the address information: bitcoin-cli validateaddress n35oDVMPNkHRzBKy7q9RDB7r5e8qbVa9SW { "isvalid": true, "address": "n35oDVMPNkHRzBKy7q9RDB7r5e8qbVa9SW", "scriptPubKey": "...
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Generate bitcoin address from public key file

Is there a way to generate a bitcoin address from public key with openssl command line ? Thanks
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What exactly is an address in bitcoin

Here is what I've understood of bitcoin: Everybody has a public and private key. If A sends bitcoins to B: B is generating an address and sends it to A This addresses are generated for each ...

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