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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How does the bitcoin network use public and private keys when one wants to transfer funds?

I am familiar with Public keys, private keys and addresses. But, I don't understand how they are used when I want to transfer funds to a different wallet. For example, what is the process that is ...
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Baffled by endianness: How do I compute the HASH160 of the public key of a base58 address?

Given an address as follows: > spend_address=$(btc-cli getnewaddress '' legacy) > btc-cli getaddressinfo $spend_address spend_address info { "address": "...
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I deleted my bitoin wallet many years ago near the start [duplicate]

I know which pool I was a member of and maybe i should ask them instead? I'm trying to find out how or if i can recover them I had 3 Bitcoins way back at the begining back when gpu mining was a thing. ...
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How to find xPub from wallet address

I'm trying to find a master public key (I believe this is the xPub) of an electrum wallet I no longer have access to. This is ok, I've moved all BTC from there. The thing is, I need the public key to ...
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Not Receiving BTC transaction in my Ledger Wallet after reusing a previous receiving address from my Coinbase account

I attempted to BTC from my Coinbase account to my Ledger Wallet using the previous receiving address. I did not use the QR code from Ledger to create a new receiving address. I clicked on the previous ...
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Repeating identical outputs in bitcoin transaction

I am building a script that is indexing all bitcoin transactions in real time with all their details etc. But I am looking here at this transaction - https://www.blockchain.com/btc/tx/...
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How to verify Bitcoin transaction against a specific user? [duplicate]

I am working on project .i have a functionality where user can submit bitcoin to my wallet .and after submitting bitcoin a payment page will open and user will fill payment details e.g his/her bitcoin ...
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Can I transfer BTC from BTC (address) wallet to a Lightning (address) wallet?

I would like to know if I can send BTC from a BTC address to a Lightning Network address. I have BTC on an exchange and I would like to move them from the exchange to my Muun wallet. Muun allows on-...
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Transactions with invalid or non-parseable Script

During parsing of Bitcoin data from blockchain, I found many transactions which has invalid script (example 37b828de0da38f0b3b9ec09f6f8b7883c3202a99a285b0b0087f19f9cbf526d9,...
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Dust threshold for Testnet

I want to find a dust threshold following this answer: https://bitcoin.stackexchange.com/a/86069/134293 Actually I have a list of transactions coming from listsinceblock in which there are Testnet ...
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What does the "Tx" column mean in Electrum?

I found that there is a Tx column. For most of the addresses, the value in that column is 0. For some addresses with balance greater than zero, it's not 0. What does "tx" mean in this table?
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Bitcoin listreceivedbyaddress as REST API

I am currently looking for a REST API service which will allow me to implement a super simple deposit system. Currently I am generating bitcoin addresses (mainnet + testnet) via Python. In addition to ...
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Create individual wallet for each user

I am working on a platform where users can register and can have wallets with multiple addresses (one address for each coin/network). I found something in Binance APIs where you're able to create sub-...
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Database of altcoins?

Is there a database of all the major altcoins and their address types? Bitcoin Wiki doesn't have very many, nor does it describe their address formats.
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Is it safer to send bitcoin to multiple addresses when moving to another wallet?

If I decide to move all of my bitcoins from one wallet to another, are there any theoretical benefits to generate multiple addresses in a new wallet and split the bitcoins between them? It will still ...
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Bitcoin Transaction [duplicate]

I was able to find an old BTC wallet address that has BTC on it from an old email. The BTC wallet address has BTC on it. The problem is I do not remember the account I used for that BTC address. How ...
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Addresses in Electrum wallet start bc1 but other tool gives addresses starting 1

I am using the Electrum wallet for Bitcoin on Windows 10. I'm able to get the private key of my main receiving address. I'm sure this address works to receive BTC as I've been able to before. I was ...
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How to claim BTC from address generated with my QR code

How do I claim bitcoins sent to my Wallets address when the receipt generated another address
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How can I see my public wallet address in bitcoin core?

I've downloaded bitcoin core version 22.0. I created a wallet by this command: [amirreza@localhost bin]$ ./bitcoin-wallet -wallet=test-wallet create Topping up keypool... Wallet info =========== Name: ...
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How can you tell whether an address was made for CHANGE?

How to tell if an unrecognized, unclaimed address you sent BTC to is actually a "made for CHANGE" address? And if you discover a CHANGE address with unspent $$ in it, how can you retrieve ...
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Another similar experience to "a Bug in copying BTC address"

Using my bitcoin.com wallet app, I sent $50 in BTC to the address: bc1qtzxadce2qzpfwl0xrq46xss9nxdjkjfekqvttj This is a transaction done times before and isn't unfamiliar. Yet, this deposit wasn't ...
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What is a descriptor in "generatetodescriptor"?

I thought it would be like a label as in: getnewaddress "myawesomelabel" > bcrt11qay7aqw7azkqhpda22vuzxphkccgmcvc9grz8z but then generatetodescriptor 10 "myawesomelabel" > ...
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Keypath spending: Verify destination address across address formats

In a Tapscript Keypath Transaction (there is an unrelated Scriptpath too) I can have outputs to all possible address? (I.e. to P2PKH, P2SH, P2WPKH / P2WSH and P2TR) I have a list of addresses in all ...
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Bitcoin private key, key range calculation?

I saw a Bitcoin puzzle on https://privatekeys.pw, on which there are different private key spaces with addresses and then you need to somehow find out the right private key? Is there a way to ...
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I sent bitcoin to an Electrum address I created but I can't access it. can anyone help

I went on a market set it all up everything was good to go but when I set up a refund address just in case something went wrong , in the process of sending the funds to the vendor I accidentally sent ...
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Coverting Bitcoin compressed address to uncompressed or vice versa?

Is this possible with just an address; if so how?
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Is it possible to have multiple receiving addresses (bc1q) related to the same public key hash

I am trying to get the big picture of the bitcoin entities starting from seed to btc receiving addresses in Hierarchical deterministic wallets without being too technical about hash functions or too ...
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BitcoinCore does not see balance after private key entry

Please help me understand the situation. I created an address in BitcoinCore to store BTC and extracted a private key to this address (the address was the following type: 31h5a...). This was in 2019. ...
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How to check the address database for balance?

I have a database of about 100 million addresses (all starting with 1) and private keys to them. How to check them for possible balance? How can you find lost addresses? Or maybe someone knows how to ...
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How to get the list of all transactions of input/outputs for a bitcoin address in JSON format?

For example if use https://blockchain.info/rawaddr/$bitcoin_address, bot this shoves only first 99 txs. How to check all transaction if number of txs is grater then 99?
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Get transactions for address

I develop an application (BitBook, https://github.com/C-Otto/BitBook) that helps users track their coins. For this, whenever I reason about some address, I need to consider all transactions that take ...
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How much can be stripped of a base58 address in a recoverable way?

Since P2PKH and P2SH addresses use Base58Check_encoding, the 4 byte checksum appended in binary contains some redundancy. Strictly mathematically speaking, those 4 bytes correspond to ca. floor(log(2^...
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How can I verify that a system is generating legit Private Key and Native SegWit address pairs?

I'm helping someone put a Native SegWit address (bc1...) on a website to collect Bitcoin donations. I've found some javascript code that generates Private Key and Native SegWit address pairs offline. (...
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Bitcoin Base 58 wif format Private Key recovery Front 5 character are missing [duplicate]

I lost my private key front 5 character can i gain back my private key my address is 1PfNh5fRcE9JKDmicD2Rh3pexGwce1LqyU i didn't have any backup. If any one help me to get my private key back i will ...
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Libbitcoin - Failing to generate correct wallet addresses from ypub and zpub

I am playing with Libbitcoin and I want to calculate addresses from xpub, ypub and zpub. Whatever I do though I cannot generate correct addresses from ypub or zpub. I don't have problems with xpub. ...
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Regex for validating xpubs

I am wondering if someone can help me with regex for validating all types xpubs like: xpub (mainnet P2PKH or P2SH) ypub (mainnet P2WPKH in P2SH) Ypub (mainnet P2WSH in P2SH) zpub (mainnet P2WPKH) ...
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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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Parse the output field of getrawtransaction to generate a common address hash

Consider the following coinbase transaction: https://www.blockchain.com/btc/tx/d70ae1131d433b655d0faeae1db4efa15bb4138f1e38e60a53073a58ea1dcc34 How we can retrieve the recipient address, i.e. ...
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Can we consider all these satoshi-era wallet being re-activated a good or bad thing for Bitcoin? [closed]

More and more I am seeing news about addresses that was dormant for around 10 years being (re)activated. Is it positive or negative for bitcoin in the long run ? Also, how many of those dormant ...
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Parsing P2SH address from output script

I have already looked at link. I am trying to generate P2SH address from output script but no luck. I am using transaction 40eee3ae1760e3a8532263678cdf64569e6ad06abc133af64f735e52562bccc8 for testing ...
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Help decoding transaction on bitcoin testnet

I'm trying to learn more about bitcoin and I'm trying to decode a transaction I made to myself on testnet and I can't seem to figure out a couple of things Here is the output of getrawtransaction: ...
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Is there any hope for Bitcoins mined in early 2009? [duplicate]

Back in 2009, on the advice of a friend, I started mining Bitcoin. I also remember the exact period. It was in the period from the end of March 2009. until May 31, 2009. That year, on May 31, I moved ...
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I used support bitcoin wallet address by mistake! How do I get that back to put into my wallet

New to bitcoin and I use their support Bitcoin wallet address instead of using my wallet. How do I get those funds back?
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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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blank address in tx_out.csv when vout type is witness_v0_keyhash

"value": 0.01858989, "n": 0, "scriptPubKey": { "asm": "OP_DUP OP_HASH160 6e877fae4ef357f80b21e75b262bfe30e7f6ee8c OP_EQUALVERIFY OP_CHECKSIG", "...
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Witness Version bech32 and P2TR

I don't fully understand the meaning of the witness version byte. I am not sure if I confuse the address format prefix bc1 with the witness version. My understanding: The extra byte reserved for the ...
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existing solution to build a bitcoin address-balance index

I've a full node running in a AWS vm. I want to develop an app which would be able to provide balance for a given btc address. I know blockchain.info and blockexplorer.com exists but I want to do my ...
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What time of encryption from late 2000s contains house, smileyface, squares, letters and numbers?

Have a encrypted password or key typed to paper, i vaguely remember doing it, not sure if note pad was involved or some site , i remeber something about sha-2 , and sha- 256, and why i should use one ...
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What are These Long Addresses in the Loyce.com Address List?

I'm trying to understand Bitcoin address encodings. I understand there's three (four?) different address encodings P2PKH, P2SH, Bech32, and Bech32m (Bech32m just uses a different constant when XORing)....
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How can i recover my specific wallet using the 12 word mnemonic?

I just can't understand how can i use the 12 words instead of writing all the numbers related to the address/private/public keys. When i go to iancoleman.io the output is several addresses, private ...
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