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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1answer
87 views

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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1answer
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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
45 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
194 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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1answer
794 views

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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2answers
87 views

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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2answers
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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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1answer
117 views

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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1answer
92 views

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
412 views

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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1answer
57 views

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
71 views

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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2answers
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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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2answers
906 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
662 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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0answers
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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
112 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
2k views

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
172 views

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
277 views

API for large number of queries to different addresses every few minutes

I have an application that needs to makes queries to get address balances and transaction data from Bitcoin. What are some possible solutions to this? It would be great if I didn't have to manage a ...
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1answer
1k views

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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2answers
372 views

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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2answers
154 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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1answer
59 views

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
84 views

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
186 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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1answer
326 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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0answers
68 views

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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2answers
2k views

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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0answers
56 views

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
147 views

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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1answer
149 views

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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2answers
137 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
388 views

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
410 views

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
95 views

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
2k 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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1answer
163 views

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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888 views

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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0answers
56 views

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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1answer
260 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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1answer
101 views

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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2answers
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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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2answers
290 views

Generate public/private key for bitcoin with openssl

I want to understand how bitcoin works and I do not trust tools or bitcoin platforms. I have read this on Internet. Can you confirm me this lines are generating a bitcoin public/private key safely ? ...
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1answer
51 views

public key generated when importing PK different from original pub key

I used bitcoin core (latest 0.19) to create some addresses offline. When I dumped the privkey I was surprised to see all of them starting with L2 (and the addresses with 3), but I went for it. I take ...
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1answer
87 views

What is the link between address and use of the UTXO?

I state that I'm still a beginner. I need some clarification. I am using the Testnet. This is the information regarding the address I used to receive funds from a Faucet bitcoin-cli validateaddress ...
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1answer
163 views

RegTest with mainnet addresses

I am trying to run a private Bitcoin network for testing. I tried to run a RegTest network, but I need the addresses to be in the format of the ainnet. Can I configure the RegTest to run with Mainnet ...

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