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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 ...

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How can I refund money that I sent to an address?

I sent a little money to this address 19RTgakS1WZP172vZwn44HnJAKU8ZQcJxm and they said that this link was allready used by someone else. Now he is saying the bitcoins were sent to no one and that they'...
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Transaction confirmed but address balance not get updated ? [litecoin Testnet]

I have used litecoin testnet faucet for a transaction of 10 litecoin. the transaction was successful and I got a txid:768f9f7a913e5682e4b5248f21b113e84e00049aea89c08f32f3b9ad7f3d755d. I checked the ...
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1answer
70 views

Using Python: create a private key of my choosing, then generate public key and address

I'm looking for a simple, easy to use Bitcoin library for Python. What I want to do is verify I can enter a hex private key that I want, and get the expected pubkey in compressed format, and the 1Btc....
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1answer
35 views

How can I avoid re-using a Bitcoin address more than once?

I have a fundamental confusion regarding Bitcoin addresses. Apparently, addresses are only intended to be used once for security and privacy reasons (see here, for example). If I think of addresses as ...
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1answer
72 views

Where are new addresses stored?

When a user generates an address using Bitcoin Core, is that address by default stored on the blockchain or will it only be stored after it is used in a transactions
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1answer
39 views

Bitcoin Address Received/Balance values differ from one explorer to another

Recently I've been looking into experimenting with querying the blockchain. I am running bitcoin-core, full node locally and updated. I am mainly interested in querying watch-only addresses, each ...
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1answer
31 views

Send and Receive BTC with Same Address from 1 Person

Is it possible to : I sent BTC to A from Address1 and I asked him to send me BTC (different amount as I send him) to Address1 (same address with I sent him before)..?
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Use addresses generated by master public key (xmpk)

I am using electrum wallet and took from there extended master public key. Than using that xmpk I have generated addresses. Now I have sent some test coins and can not recieve in my electrum wallet. ...
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1answer
38 views

Can i use one pair public and private key for all transactions?

Can I use one pair public and private key for all transactions, digital signatures and wallet addresses? In the other hand, I have a private key and want to sign all transactions and have a public key ...
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41 views

PHP generate address

I have a problem with generating addresses using PHP. So I have a electrum cold storage and took there a Master Public Key. So in my online server I want to generate addresses using PHP only and ...
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1answer
48 views

Litecoin address starting with ltc

my litecoin wallet (shared 2 of 2) on electrum-ltc generated an address to receive LTC. I transfered some LTC to that address and tried to check in block explorer. Unfortunately got such message: ...
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1answer
48 views

How to send small amount of BTC to thousands of addresses? [closed]

I'd like to create a pool of addresses using Blockchain.com API. But because of the gap limit on unused addresses I want to transfer minimal amount (ideally 1 Satoshi) and without any fees. What's the ...
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1answer
27 views

Should Account-level in BIP32/BIP44 be Hardened?

Let's say we have an ETH trading exchange where we employ BIP32/BIP44 to generate a unique wallet address for each user. For simplicity, each user uses the same wallet address (unique to each user) ...
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2answers
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Can't understand specific problem of Bitcoin anonymity

There is an problem shown in bitcoinwiki: Someone runs both a money exchanger and a site meant to trap people. When Mr. Doe buys from the exchanger and uses those same coins to buy something ...
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1answer
77 views

Converting Litecoin M-addresses to a more commonly accepted format

Is there any way to convert an (LTC) M prefix address to an L prefix address? Many services an apps that accept and transfer LTC reject M-addresses as invalid, even though they are given out by ...
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1answer
60 views

How to create random address from dogecoin?

It's about dogecoin. I want to make a random address everytime my customer want to give me some donation. It's just like i have multiple address that point to my main address wallet, how to that? For ...
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1answer
33 views

Can “Confidential Addresses” preserve user privacy?

Can using "Confidential Addresses" be an alternative to zk-SNARKs to provide an acceptable privacy for a user? And when we talk about "Confidential Transactions", does it mean we are using "...
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1answer
79 views

How to get balance history of a bitcoin address using BCOIN node

Is there any way to get history balance of an address. Balance is unspent transaction outputs (UTXOs). I am using BCOIN node. Bcoin has given a API for /coin/address/:address but it is giving ...
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0answers
19 views

Separating user accounts in a wallet for a large scale web app

I'm planning to implement a web platform that maintains user wallet accounts and generally acts as a web wallet. They can deposit, withdraw and transfer coins.The number of accounts should be in ...
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1answer
50 views

Anyone could teach me more detail about version prefix

In this post Does the version prefix of an address force the type of transactions the address may treat?, I saw "the version byte doesn't actually appear in the final transaction." I don't understand ...
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1answer
29 views

Why bitcoin addresses have different number of characters?

With the help of bitcoin wiki I learned that every bitcoin address stands for a number and that shorter addresses are valid just because they happen to start with zeros, and when the zeroes are ...
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2answers
55 views

How to initiate a transaction with address and privateKey using nodejs

I have a list of bitcoin addresses and private keys, I need to write an automation script which checks for the balance in each address and transfer the balance funds to another bitcoin address. My ...
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1answer
35 views

Which source code to make “checksum bits appended”

Can anyone tell me the specified source code to make "checksum bits appended", before doing Base58 conversion? Thanks very much!!!!
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3answers
54 views

How to get the addr from this transaction

https://www.blockchain.com/btc/tx/2ccc3f59d28c709770a8bc478b112e10feda4bf55197c2e48deaa0eb6bca0311?show_adv=true The SCRIPT in the transaction is: DUP HASH160 PUSHDATA(20)[...
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1answer
31 views

P2PKH - Sharing a wallet address does not reveal my pub key?

Is it technically correct to say that if I share my address with the network, nobody has access to my pubkey still? But if I share a valid signature to a P2PKH UTXO, someone can derive my pubkey and ...
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1answer
31 views

Bitcoin explorers don't show my addresses transactions

I'm creating bitcoin addresses for a wallet we're building. To make sure the addresses are valid I went to a couple of bitcoin explorers and they reported, correctly, that the address does not have ...
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2answers
82 views

Testnet Bitcoin wallet: which script in hash addresses?

Why does the Testnet Wallet create receiving addresses in the form of script hash addresses (prefix 2) instead of "plain" m/n-prefixed addresses? Is there any security reason? And, which script does ...
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1answer
44 views

Is there any way to revoke or update private key?

Suppose my private key corresponding to an address is stolen. Is there any way to revoke private key or update the private key?
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1answer
15 views

Given N addresses, Is there any way to know how many address are linked to a single entity?

Let's assume that we have N wallet addresses - Addr1, Addr2,.... AddrN, Is there any way to know how many of these addresses are owned by a single entity on the considerations that there's no direct ...
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2answers
114 views

What happens when hash160 is same

There are two bitcoin address: (A) 1111111111111111111114oLvT2 (B) 31h1vYVSYuKP6AhS86fbRdMw9XHieotbST which has the same hash160: 0000000000000000000000000000000000000000 How is this possible and what ...
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1answer
51 views

How can you get a list of all addresses mentioned in the blockchain?

I'd like to parse the blockchain in order to produce a list of all addresses that are mentioned in the blockchain. I'd like to do this with a program, language agnostic.
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1answer
98 views

Can you create empty Bitcoin transactions?

Is it possible to create Bitcoin transactions of zero value, or in other words sending 0 bitcoin to an address?
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2answers
49 views

Can you send a Bitcoin transaction to a Bitcoin address that does not exist?

Say I arbitrarily pick an address "abcdefg" (for example's sake), which does not exist in the network; no one "owns" the address. What happens when I attempt to make a transaction to this address? ...
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1answer
41 views

Whether I have to scan all types of addresses to discover BIP44 wallet from mnemonic?

Let's assume that I am going to create a new address in bitcoin HD wallet knowing only mnemonic words and that previously addresses were generated according to BIP44. BIP44 gives an algorithm how to ...
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0answers
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How does supporting additional 'Address Chains' impact resource usage for an SPV wallet?

On Reddit I encountered a user claiming that implementing Segwit support for an SPV wallet would require supporting an 'additional address chain', but I'm not sure what exactly that entails. I would ...
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1answer
53 views

How to edit the label of an existing address exactly like in bitcoin-qt but instead using RPC calls?

I am trying to edit the label of a bitcoin address in my wallet outside of bitcoin-qt. Currently I only know of 'setaccount' but it results in two addresses after editing one, it assigns a new address ...
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1answer
42 views

Why do wallets of Bitcoin exchanges have tens or hundreds of thousands of addresses?

I am looking to track the wallet of Kraken and see how the balance changes at each block. For that purpose, I use www.walletexplorer.com (https://www.walletexplorer.com/wallet/Kraken.com/addresses) ...
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1answer
25 views

How can i emulate two or more recipient address?

https://webbtc.com/scripts/multisig Above site lists lots of multisig recipient addresses having 2 or more addresses like below bitcoin mainnet transaction. getrawtransaction ...
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1answer
391 views

How can all possible numbers in 256-bit space be squeezed into 160-bit space?

Bitcoin addresses are essentially 160-bit hashes of a 256-bit public key. Huh? How can all possible numbers in 256-bit space be squeezed into 160-bit space? Does that mean any given bitcoin address ...
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1answer
49 views

Track transactions for a list of addreses not in a wallet

I am developing a payment gateway for BTC and have the following problem. I have bitcoind wallet and awaiting of some income for some some list of generated addresses. If i have received something on ...
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1answer
37 views

Why is the output address a list in RPC/console?

Vout contains a list of addresses, which I noticed to be always with size = 1, if it exists. The following is an example from Bitcoin Testnet: { "value": 0.91840581, "n": 2, "...
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4answers
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How is it possible that the same WIF Private Key generates two different addresses?

I am wondering if you can explain this. I went here: https://coinb.in/#newSegWit Created the SegWit Address below: 3ASaGJ8h2bLn6Jha3hncBzXUKRCLyfv9bk RedeemScript ...
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2answers
1k views

list of addresses for major bitcoin exchanges

Is there a list available of the addresses for the aggregating wallets of major bitcoin exchanges? If so, where?
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0answers
169 views

List All the transactions of an adress - API

I am looking for a way to list all the transactions of an address. For instance, if we use the Blokchain.info API we get: url='https://blockchain.info/rawaddr/1PFtrRjbq4aLfM7k4tyLZ3ZAuTsgLr6Q8Q' ...
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2answers
38 views

Detecting Wash Sales/Transactions

I run a site which is essentially an e-commerce platform where buyers connect with sellers and all transactions happen in Bitcoin. I worry about sellers on the site continuously buying their own items ...
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1answer
179 views

Converted Segwit address (YPUB) to Legacy (XPUB), but balances differ

I'm trying to convert a Segwit YPUB address I got from a Ledger Wallet to a Legacy XPUB address in order to query the transactions from the wallet. I've yet to find a reliable API that supports YPUB ...
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2answers
78 views

When you pay from a P2SH address, does its change go into a P2SH address too?

Because that means you must always keep the redeem script around to make the change addresses, and if it's a multisignature script, then you'll need to have the script with those public keys around, ...
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What's the difference between all kinds of bitcoin addresses (Single, multisig, etc…) also compared to all bitcoin forks?

Bitcoin addresses start with 1. Multisig/Script addresses start with 3. Other forks of bitcoin have single letters that are different at the beginning. Is this letter simply and only prepended to the ...
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1answer
82 views

Hypothetical Scenario - Address collision with address with already confirmed outgoing transaction

In a typical case of finding a collision with an address, as long as the private key provided has a consistent public key that hashes to the address, then the coins in that address can be spent. The ...
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1answer
50 views

Can I generate an address without using bitcoin core?

I am running bitcoin core in my mode. I am using getnewaddress to generate an address and then I am using unspent to get the unspent of an address which returns the unspent successfully. If I created ...