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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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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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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1answer
354 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
57 views

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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1answer
1k views

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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1answer
886 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
226 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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1answer
883 views

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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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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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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1answer
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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
48 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
111 views

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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1answer
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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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758 views

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 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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1answer
162 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
222 views

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
303 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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265 views

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
129 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
250 views

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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1answer
1k views

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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217 views

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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1answer
168 views

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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1answer
65 views

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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1answer
143 views

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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0answers
112 views

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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2answers
92 views

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
256 views

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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1answer
1k views

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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1answer
335 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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1answer
462 views

Transaction with unparsed input address ? What does it means?

I just see this transaction which is special : one of input address is spending a valid amount… But why is it unparsed ? Why no ScriptSig while stil being valid ? Also what’s the purpose ?
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2answers
318 views

Transactions with multiple input UTXOs and multiple output UTXOs

Suppose a transaction t has 5 input UTXOs each worth 1 BTC, each unlocked by a different sending address Ai. The outputs of that transaction are 10 UTXOs of 0.5BTC each, each locked by a different ...
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1answer
305 views

How to encode a string into a bitcoin address? (Not a brain-wallet, an address, like a vanity-address)

I would like to know if a bitcoin burn address can be tied to a string. This question is not about OP_RETURN or other ways of embedding into a blockchain. Here's the processes that I went through: ...
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1answer
47 views

How does a wallet rebuild itself from its seed?

How does it identify the addresses and transactions on the blockchain in order to rebuild the history of that wallet?
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2answers
104 views

What is the best way to differentiate users' balances in a shared wallet?

first time posting around here. I have been thinking about an application that would highly depend on the use of bitcoin for the best user experience. A shared wallet for all users currently seems ...
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2answers
142 views

If I was developing a Bitcoin wallet, should I support both legacy and compatibility addresses?

To receive funds, I was thinking of giving a user the option of displaying two QR codes: Legacy - p2phk e.g. 1AKDDsfTh8uY4X3ppy1m7jw1fVMBSMkzjP Compatibility - p2sh(p2wpkh) e.g. ...
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1answer
106 views

How many addresses are there now with segwit?

Could you help me understand if with segwit activated do we have more available private keys and addresses in the Bitcoin universe? With Legacy [1...], Compatible [3...] and Bech32 [bc1...] addresses ...
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1answer
324 views

How to get the Bitcoin address from the bitcoin Public key? [closed]

I am working in js and I need a library that helps me get an address from a public key stored in a buffer format.
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2answers
91 views

Single "Multiple Inputs Tx" vs Multiple "Single Input Tx"

Alice owns three addresses A1, A2, A3. She decides to collect the coins held by these addresses into a single coin so she generates a fresh new address A4 for that. She has the following two options: ...
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1answer
919 views

convert "M" address to "3" address LTC [closed]

currently im facing with 1 issue that i need to convert all my litecoin address in my fullnode to legacy address (prefix with "M"). Im know that we have a tool https://litecoin-project.github.io/p2sh-...
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1answer
57 views

Using only Javascript and JS related Bitcoin Libraries. How do you extract the Bitcoin Address from a private key?

I'm building an js related application that only stores my user's bitcoin private keys, but not the public key or bitcoin address to save space. Is there a javascript library that can output the ...

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