Bitcoin

Questions tagged [address]

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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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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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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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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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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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42 views

about Bitcoin address

I'm studying bitcoin. I have a question because I was curious about the part of wallet. Can I send it to the wrong address format? The address format is correct, but is it possible to send bitcoin if ...
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How do I export an xpub from Bitcoin Core for use in BTCPayServer?

I'm using Bitcoin Core 0.17, and using bitcoin-cli getaddressinfo method to extract xpub for a given address. This xpub is 66 characters long, and I'm using BTCPayServer which needs this xpub and I'...
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25 views

Bitstamp and deposit address

I have a Bitstamp account and when I try to use the API for bitcoin deposit I discover that there is a unique address for my bitcoin deposit. It is safe in term of address reuse consideration ? Here ...
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How to use `scantxoutset`

Looking to fetch the UTXOs for a given address and can't seem to find the correct command syntax. Here is an implementation in bitcoin-core via javascript, but I also experience the same on bitcoin-...
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163 views

How does a wallet get the public key from an address?

I was under the impression that addresses are just an encoded, hashed public keys with a prefix and that only the public key is used on the blockchain (not the address) for transactions. But if the ...
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55 views

Public Key VS Wallet Address - What is the difference?

I am seeing a lot of contradictory information on why we now use Wallet Addresses rather than Public Keys. Some say that due to additional level of hashing (double hashing), Wallet addresses are ...
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How to get input address and amount from vin using bitcoin core rpc

I am trying to find details of every transaction using bitcoin core rpc. First, I using bitcoin-cli getblock to get the block data, then use bitcoin-cli getrawtransaction to get the transaction ...
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1answer
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For the 3 bitcoin address types, which can send to each other? Can a valid tx be created that spends to an unspendable address?

I'm just getting started with using bech32 addresses instead of legacy addresses, and I'm not familiar with how the legacy vs segwit compatible vs bech32 addresses play with each other. Can I get an ...
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GREP help: Bitcoin address/key buried as text somewhere on hdd

So in a drunken moment of genius I had forgotten about, I bought some bitcoin way back. And I buried the address and key in some file... I was being tricky lol. That likely also led me to abandon a ...
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51 views

How do I extract the address from a scriptPubKey?

I am creating a block parser and just learned about Scripts in Bitcoin yesterday which is kind of confusing so far. I want to extract the addresses involved in each transaction. Right now, I am able ...
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1answer
42 views

A more updated address clustering method?

say i have a transaction details of one address from blockchain info. is there a more updated heuristics for address clustering ? i.e. if a transaction has 2 output which address belongs to a ...
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Bitcoin Core `getaddressesbyaccount` method not found (-32601)

On macOS Mojave I have a full bitcoin node synced using bitcoind. I want to get the public address of the default account (i.e. the empty string ""). So I run bitcoin-cli getaddressesbyaccount "" ...
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Convert 33-byte public key with no parity prefix to address

I'm writing a blockchain parser and I keep running into this type of scriptPubKey in the Litecoin blockchain: 20a75ca72ffd994d2004d67b0e89015913f7352455d0111ede590430037c9fe2ac ...
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How do I find out where a bitcoin address is from?

I am not looking necessarily a name but more like is it an offline, coinbase, blockchain.com, etc... I had $80 sent from my account yesterday and it says it went to ...
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Are there any btc addresses that periodically create a transaction at a regular interval?

I'm looking for any known bitcoin addresses that send or receive money at regular intervals. For example, once per day, an amount from a hot wallet might be sent to a cold wallet. Are there any ...
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Generating TXID from transaction's data [duplicate]

As I understand, we can generate a TXID by hashing transaction data through SHA256 twice, and as you know probably, A bitcoin transaction is just a bunch of data that describes the movement of ...
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51 views

getting address from public of ScriptPubKey vs ScriptSig

Recently I read some articles about BITCOIN protocol and it's transaction. I understand(maybe it is incorrect) these rules: An input is what we call an output when you're spending it in a transaction....
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listreceivedbyaddress missing transactions after restore

After restoring wallet from wallet.dat balance is identical, but listreceivedbyaddress 0 do not have the transactions associated with wallet. listunspent 0 show all the transactions, but it will ...
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1answer
21 views

Getting source address of a Tx message from it's signature script

I have a simple bitcoin packet which contains TX message. in a TX message, one of it's Transaction input hex data was like this: ...
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Extract input addresses from a tx message in bitcoin protocol

Recently, I wrote a c++ code to extract some information from some messages in BITCOIN protocol. for example, I extracted bitcoin value and output address corresponded to it from tx messages of this ...
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1answer
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Bitcoin core does not produce a wallet at all

I'm reading tutorials on working with bitcoin core like this: http://bitcoindaily.org/bitcoin-guides/bitcoin-core-tutorial/ and http://bitcoindaily.org/bitcoin-guides/how-to-recover-bitcoins-bitcoin-...
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Is there a way to determine the difference between a BTC prefix 3 address and a LTC prefix 3 address?

I am trying to determine if there is a way to tell the difference between a BTC prefix 3 address and a LTC prefix 3 address, for validation purpose. Example if given this public key address: ...
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How to check the balance of the list of 1 million Bitcoin Addresses?

How to check the balance of the list of 1 million Bitcoin Addresses? Is there such a program?
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why a specific transaction value and it's output address which is sent from a specific IP address, returns from another address to that IP address? [duplicate]

I wrote a code to extract bitcoin output addresses and their values from TX messages of the bitcoin protocol. to test it, I prepare this scenario: first I send a specific bitcoin value(for example A ...
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How to receive bitcoins in Ledger live with Ledger nano X?

I would like to send my bitcoins of localbitcoins.net to my Ledger nano x -wallet. However, I cannot get the bictoin address so I cannot receive the funds, since the button to receive the funds is ...
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Why tx informations of a specific transfer in BITCOIN protocol will send to many IP addresses?

Recently I send a specific value from a wallet to another wallet and Simultaneously I caputred the related traffics in source and destination. after that, I found that value and it's related address ...
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47 views

How to re-secure a multisignature wallet if private key is stolen

Here are two attack scenarios on bitcoin private keys: 1) Assume that, BitCorp has just noticed that a Mallory has just compromised one of their servers holding their Bitcoin Private keys. Luckily,...
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which is the relationship between ouput adresses and their value in a specific transaction?

Some days ago, I write a program to extract output addresses and its value in tx messages of a sample bitcoin pcap. extracted addresses are all valid and we can find them in block explorers. after ...
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1answer
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BIP39 Path in Ledger Nano S

On a Ledger Nano S, you are given a BIP39 24 word mnemonic. What is the path to the address used? Is it m/44'/144'/0'/0/0 ? Say for example I use the address generated by the Ledger Nano S to store ...
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1answer
128 views

How i can extract all bitcoin output addresses from tx message?

I want to extract output addresses from tx messages in any bitcoin pcap. currently, i extract tx messages which it's output script starts with "0x76" or "0xA9", but i don't know how can i extract the ...
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Trying to understand extended keys

I'm slowly getting educated about how the blockchain and Bitcoin addresses work. I now understand why it is more secure to use a different Bitcoin address for every transaction you make but I'm now ...
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1answer
50 views

Bitcoin Public Key To Address Uncompressed

So after searching for HOURS on here and overall on the internet, I haven't managed to find an answer to my question so I'll ask here. So I've been trying to convert a public key into an address. I'...
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1answer
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Bitcoin sent to invalid address [duplicate]

In this transaction, some bitcoins are sent to bc1qp6k6tux6g3gr3sxw94g9tx4l0cjtu2pt65r6xp which appears to not be a valid bitcoin address. What is bc1qp6k6tux6g3gr3sxw94g9tx4l0cjtu2pt65r6xp ?
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How can I import an address or public key into my wallet.dat file?

I have a wallet.dat with Bitcoin Address: 15iRTcgqBk1QNtr2gKkq2dUsm5nN25dSeN I want to delete this Bitcoin Address: 15iRTcgqBk1QNtr2gKkq2dUsm5nN25dSeN and add another Bitcoin Address How can I add ...
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Decode public key from address [duplicate]

The process of encoding a public key is very clear and explained here https://en.bitcoin.it/wiki/Technical_background_of_version_1_Bitcoin_addresses I am looking for the other way around: how to get ...
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Convert WIF to Witness PubKey Hash Address in Go

How can WIF be easily converted to WitnessPubKeyHash in Go? We need to get the public key from WIF and than calculate witness program as ripemd160(sha256(compressed_pub_key)). But is there a ...
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Are Relay Addresses Possible?

Is it possible to create an address such that different parties can spend certain portions of any output spent to that address? R: 1zaybxcrandrelayexampaddr A: 1xyzabcrandexampladdressa 97% B: ...
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Bitcoin core wallet's security

When running a bitcoin node on an enterprise level: a lot of addresses will be generated with getaddress RPC for users to send their funds to. As far as I understand, these addresses, as well as the ...
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Stripped segwit data

I have two client Bitcoin, 0.17.0 and 0.12.0 and I want to see the difference between the same transaction. 0.17 has segwit, 0.12 doesn't have. If I do that RPC call in 0.17.0 /bin/bitcoin-cli -...
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Public key vs Bitcoin address [duplicate]

As i've read on many websites and papers, the bitcoin address is made by hashing the public key. And i've read that that's done because we don't want the public key to be public until money is spent. ...
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Public Addresses: '3' vs '1' in front [Bitcoin]

I just wanted to confirm, is it true that for a bitcoin (public) address it should always have a '1' in front of it. For certain transactions though I see that there is a '3' in front. How is this ...
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1answer
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Question about nondeterministic wallet

I was reading https://github.com/bitcoinbook/bitcoinbook/blob/develop/ch05.asciidoc#user-stories and ran into this statement. In the first bitcoin wallet (now called Bitcoin Core), wallets were ...
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Can someone explain what exactly is derived address?

Let's say my mnemonic words are army van defense carry jealous true garbage claim echo media make crunch When I used https://iancoleman.io/bip39/#english, the section, Derived Address, showed ...
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77 views

Are addresses which start with 3 multisig addresses?

I've just downloaded bitcoin-core 0.17.1 and it seems all the new receiving addresses I create start with 3 instead of 1. I always thought addresses which start with 3 were multisig addresses. ...

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