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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Trying to locate my bitcoins

I was working with a broker, now my "bitcoins" are in "blockchain", and I have no trace. How do I find them? How do I find said blockchain and bitcoins ?
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Confusion about Addresses

I have a little bit confusion about addresses segwit and not segwit. I can see P2WPKH and P2WSH from this link https://en.bitcoin.it/wiki/BIP_0173, and they are segwit and start with bc (mainnet) or ...
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how to create a run.cmd file if I have Windows 8.1 64 bit with command [closed]

https://i.stack.imgur.com/qXpQ8.png here shows an example of the command line to run
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Generate P2WPKH

I'm able to generate P2PKH from bash but I don't find the steps to generate P2WPKH (not wrap) I saw this link and I understand that I have to do base58 of Public key hash and prepend 00, but I don't ...
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How to label address not listed in receiving addresses on bitcoin-qt

I sent some bitcoins to an address and the remaining bitcoins were sent to a new address generated by bitcoin core, I can see the address in my inputs list on "send" tab, but I cannot rename it nor ...
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Electrum. Payto argument from_addr

I need to specify address to send from. I want to use option createnewaddress. And then send money from this addresse useing payto and from_addr option. When I do like that, i got error message not ...
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How to generate these bitcoin addresses?

For the private key KwaZRh42fdQD4iUN6sy2GtEC5gfSAYXrQgp16KPV4Pxsspi5ChRb, I have the following addresses: 1N7jKvQ1fHezb61eNsGEaF4gcj5sQXhb2m (P2PKH) 14MNoFYWheu7sLkj8urvXCpYEdCuL4m2PH (P2PKH) ...
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Output has an “Unknown” status?

Looking at transaction https://blockstream.info/tx/c362fe7f8cb94b363c0c7cd5a0f82cf0dfa7733ab8a3b90df3eb9f0bff912148 some outputs are having type: nonstandard. There are 2 questions related to it: ...
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Can anyone help? [duplicate]

My friend said he sent me 0.077 BTC, but i have only received 0.037 BTC. The Bitcoin explorer shows that there are 2 output, one of 0.037 going to my BTC address, another 0.039 went to a different ...
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How to get private key and Bitcoin address in pure Python - without modules?

How to make a pure Python code for Bitcoin address and private key without modules? For now I learn only how from decimal to get a hex. How from hex to private key WIF and than Bitcoin address? bits ...
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How to get addresses from a transaction's vin?

How can i decode addresses from the following transaction's vin. Transaction: https://blockchair.com/bitcoin/transaction/ed8286d06f6df2269e8481b37bbc532c11d80bd2d1b155c920a0742daf3185b2 There are ...
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Addresses found in wallet.dat that start 00 14

I found a list of addresses in my dumped wallet.dat file that all start 00 14... They are script=1. What are these encoded with and how to decode?
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How to generate sub addresses belonging to one private key

We're creating a platform to buy/sell Bitcoin. We need to generate a new child address for each customer allowing them to receive Bitcoin. But all incoming Bitcoins should be stored in our main ...
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Question about public addresses

2009 btc private key but no address. I was given btc in 2009 and also mined for a few weeks too. My dad still had every hard drive he has ever used. So i have found a couple of files that have ...
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How can a reciever verify that transaction data was not altered by 3rd party?

My scenario: My web server: - Generates private and public, and a wallet address from the public key for a user website account - Server can not connect to the outside (Can not connect to the Bitcoin ...
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Transfer of BTC the wallet address p2pkh to wallet address p2sh

Is it possible to send BTC from wallet having address type p2pkh to the receiver wallet address p2psh
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1answer
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How many possible addresses per bitcoin private key?

Based on my research every bitcoin private key (compressed or uncompressed) can have 4 different addresses: P2PKH compressed and starts with 1 P2PKH uncompressed and starts with 1 P2SH and starts ...
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How To get Address Public Key from Account XPUB?

I am little bit confused or not able to get the right Address Node Public key from Account XPUB. What i have Done : 1==> Get the Account XPUB [78Bytes] 2==> SHA-256 3==> SHA-256 Again 4==> ...
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How are UTXO forwarded to other addresses?

this is a pretty general, conceptual question. I feel I do not yet completely understand the blockchain transaction dynamics. Let's say, we have A, B and C trading on the Blockchain: A has ...
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1answer
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How many bits of entropy is a Bitcoin address?

I've seen references to 160 bits of entropy, but I'm not sure if this is universal or just applies to the old address format.
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1answer
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How to display Recipient Address, Change Address & Transaction Amount

I have made A software in which i can Signed Transaction (From Electrum Un-Signed Transaction HEX), i just want to display the following thing to USER in Readable Mode : 1. Recipient Address 2. Change ...
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71 views

How to monitor Bitcoin address for new transactions?

I have some generated Bitcoin addresses which I want to monitor for newly received transactions, I have a full node but I don't want to import those addresses to the node's wallet. I don't want to use ...
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2answers
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Calculate transaction fee for external addresses which doesn't belong to my local bitcoin-core server?

I am doing transaction on addresses which are created outside of my local bitcoin-core server using third party lib. I am having its private/public key. I am able to create raw transaction using "...
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How to get both confirmed and unconfirmed transaction details of foreign(non-wallet) addresses from bitcoin-node server?

How to get both confirmed and unconfirmed transaction details of foreign(non-wallet) addresses from bitcoin-node server? Actually i have generated the addresses using third party library and sent some ...
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1answer
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Bech32 Multisig error: Witness requires empty scriptSig (code 64)

I've been able to do multisig between two addresses from electrum and one from bitcoind. [root@test bin]# bitcoin-cli -testnet getnewaddress n3JewuY82cprdRvxHdRNG8C3iTkJBKeLbz [root@test bin]# ...
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1answer
79 views

How to get the pool name from coinbase transaction?

Is it possible to retrieve the name of the pool that mined a block looking at the address in the coinbase transaction? For example, the address in the coinbase transaction of block ...
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1answer
78 views

Calculate Unspent using private keys

Can we calculate unspent of addresses which are generated from other node server if we are having private/public key of those addresses?
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102 views

How to quickly get the balance of any bitcoin address? (with no third-party API)

As some people have mentioned (eg. here), the only way to get the balance of an address in bitcoin core was to import it as a watch-only address and rescan the blockchain. Starting with bitcoin core ...
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1answer
35 views

Get scripthash for known scriptPubKey in PHP

I have to query addresses in ElectrumX server. How do I generate scripthash for a known scriptPubKey in PHP? Example address: array ( 'isvalid' => true, 'address' => '...
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How to find address that holds the balance in Bitcoin Core?

I am unable to find the address that holds my balance in Bitcoin Core. All receiving addresses has a balance of 0. But there is a balance in the wallet. How do I find the address that holds that ...
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1answer
42 views

Why bech32 addresses can’t be mixed case?

I know that they cannot be mixed case due to their BIP but what was the intention behind this idea and would it be problematical to convert a mixed case bech32 address to a lower/upper case bech32 ...
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I want to send Bitcoin to a wallet. That wallet is to receive the bitcoin at a future date [duplicate]

As the title says I want to send Bitcoin to a wallet. That wallet is to receive the bitcoin at a future date. Basically I'd like to hodl some of my Bitcoin to be paid to my Children far into the ...
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1answer
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Cannot get the same address format from zeroMQ and Bitcoin Core

I use nodejs with this npm library: const bitcoinjs = require('bitcoinjs-lib'); // version "^5.1.6" I received a rawTx from zeroMq, then extract it: const tx = bitcoinjs.Transaction.fromHex(rawTx);...
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How Extracting address Bitcoin to script multi signature

I want to extract the correct address from a script multi-signature. I have this real script multi-signature from this ScriptSig (tx index 1), so this is a readme script for this address OP_2 ...
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Trying to programmically generate unused receiving address from a xPub

I'm trying to generate unused receiving Bitcoin address from xPub using PyWallet python library . I got the xPub from my BIP32 Electrum wallet. Here is what I tried from pywallet import wallet ...
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How can the wallet identify public addresses are linked to a private address

As the wallet can generate many public addresses from a private address. How does the wallet know that any transaction from or to the wallet is for that private wallet if the in and out can be any ...
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1answer
51 views

Address Reuse issue

I dont understand how security works with multiple address using. I am trying to guess how security works here but need some feedback, so here are a few questions, and my own guesses. If I have total ...
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2answers
42 views

Who do I send money to if I want to create an OP_RETURN transaction

I simply want to store one small string in the blockchain. That's it. I am reading here a step by step guide but there is little in terms of explanation beyond the code snippets. What I would like to ...
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1answer
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What is the dummy_address when creating an OP_RETURN in this example?

Here we see: mainnet = 0 if mainnet: dummy_address = "1111111111111111111114oLvT2" else: dummy_address = "mfWxJ45yp2SFn7UciZyNpvDKrzbhyfKrY8" What is this? No explanation is given. Can I ...
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1answer
220 views

What are the difference between a segwit and legacy wallet

I am installing a mobile wallet and it ask me what type of address I want to use, I want to try and use a segwit address but is there a risk that my coins will be lost if I try to transfer fund from ...
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121 views

How can I generate thousands of receiving addresses from a Bitcoin wallet?

I want to generate thousands of receiving addresses without sending any BTC to another wallet. Is it possible and how?
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2answers
233 views

How can someone lose funds in Lightning Network?

In Bitcoin once you own a private key associated with an address that had bitcoins on it, your funds are theoretically safe for ever. But on the Lightning Network, I see that once you send bitcoin to ...
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1answer
36 views

address list in “getrawtransaction”

i have a confuse about the "getrawtransaction" RPC function,it returns a json object, which contains the addresses list in the "vout" object,like below.It took me some time to understand when the ...
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1answer
54 views

How do miners determine if a wallet has sufficient funds

I have ready about 10 posts that are similar and none of them seem to answer my question so any help is appreciated. My question is how to miners technically determine if a "wallets" has the "...
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1answer
63 views

How to programmatically send Bitcoins without requiring a local copy of the blockchain?

I'm quite new to Bitcoin development! I've seen the documentation about RPC commands, available when you have a local copy of the blockchain. But I'd like to know if it's possible to create and ...
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1answer
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Fundamentals: Addresses don't hold coins, wallets do?

In the beginning it was my understanding that: Every address has a private key Every address has a balance Every address may send and receive coins. This is simple. But now I am using more proper ...
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2answers
36 views

Can addresses used in a single tx be assumed to be from the same wallet?

can addresses of input of a single tx be always considered as belonging to same account? Above is a sample transaction on bitcoin. Here, input addresses are 3P2hJg8iRSBExAjd9yQGaazCLPFLeGB3hU (0....
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513 views

Most efficient way to store Segwit Address in a database

This is not a duplicate of What is the most efficient way to store bitcoin addresses in a database? but it's the same question except I need a segwit answer. Let's say I wanted to store every ...
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1answer
74 views

Bitpay unused address - has balance

So, I have a wallet - and the balance is incorrect. I have looked into it a bunch and finally tracked down what I think is the issue. If I view all of the addresses used in my wallet I see a list of ...
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Hidden wallet address? [duplicate]

A wallet --------send bitcoin(0.0113BTC)------------> B wallet Awallet address list 2NGEB7pAJz2qVsd38yWvwR2fogeVf94xbQZ 2N8JupKNkFCN1dBzmymbHuJLeYsobWPCEa5 2N51bmRSUE2nWdZZtESumvz6HNjmNA8frSB ...

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