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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 mailing addresses or IP addresses.

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How to getbalance for any existing bitcoin address, without long wait

I am new to bitcoin. I've read multiple articles and posts on forums and unfortunately I haven't found the answer I am looking for. Some back story... I just bought a 2TB SSD storage, and installed ...
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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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convert “M” address to “3” address LTC

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
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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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1answer
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If Bitcoin addresses are a single-use token, how several transactions belong to a single address? (Edited)

While in Bitcoin wiki (Link to the page) is explicitly mentioned: "A Bitcoin address is a single-use token." We therefore expect that every address would be belonged to only a single transaction ...
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1answer
20 views

Bitcoin websocket like ws.blockchain.info

I'm currently using ws.blockchain.info to subscribing to an address, but it is not really stable and frequently connected. Please tell me some alternatives for it. Thanks.
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1answer
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COINBASE: Sent BTC but Address had changed and cannot spent the fund

I sent bitcoin to my coinbase address but I didn't know that every transaction, the address changes. My Coinbase account doesn't show my deposit, have I lost the bitcoin? Is it possible to get it ...
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1answer
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“bitaddress.org”: It generates a BTC or BCH address?

(1) Is the address generated by www.bitaddress.org a BTC address? Or BCH address (Bitcoin Cash) ? (2) Is there a general method to recognize BTC address from BCH address?
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“Antpool.com” setting up wallet: BTC or BCH?

In www.antpool.com Bitcoin mining pool, when we want to set up a Bitcoin address to which the reward will be sent, there are 2 options: BTC address (Bitcoin Core) and BCH address (Bitcoin Cash). But ...
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Bitcoin.com Wallet: How to export separately addresses and private key from json file?

I created a wallet by Bitcoin.com Wallet application for Windows. And then I generated 3 BTC addresses for this wallet. I then exported this wallet using Export Wallet and and chose File/Text option, ...
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3answers
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Is it smart to just create wallet and then delete it, writing down the address?

What are possible downsides of practice where I download a bitcoin wallet on my phone, write down the seed and the address, purge the app into nonexistence and continue my happy life, sharing my ...
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The risk of sending money to a xpub generated address

Suppose the owner of xpub share the xpub to others, and someone send some money to a xpub generated address. If the owner of xprv does not know the path used to generate that new address, is that ...
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Listunspent only works for the last address I made a transaction with

I have a wallet on bitcoin core with three addresses I use to make transactions. But listunspent only returns information when I used it with the address I made the last transaction with, is it ...
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1answer
39 views

checksum in address

I want to create a address bitcoin. I have a payload with version like this: 0050d512c984b1656ef47c145c8fd5d5262d3904b1 where 00 in my version prefix, and 50d512c984b1656ef47c145c8fd5d5262d3904b1 ...
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1answer
40 views

address in listaddressgroupings and getnewaddress

I don't understand the differents between listaddressgroupings and getnewaddress For example, I have a local blockchain ( regtest ) with 0 Block. I create 101 block (generate 101) I can see with ...
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1answer
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Can you send a transaction from non-native segwit to native(bech32) segwit address?

Let's say I have a wallet with a non-native segwit address (prefixed with 3- like multisig). Can I send my utxos from this address to a native segwit (bech32) address?
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1answer
29 views

How to determine right address from address hash

I'm using private libbitcoin server and libbitcoin explorer. When I use bx fetxh-transaction, it returns something like: I'm trying to figure out, how to get right address from address_hash. When I ...
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2answers
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Is there a limit to the number of Bitcoin addresses? [duplicate]

Is there a limit to the number of Bitcoin addresses? And if so, what stops someone from making all these addresses and holding the private keys for them so no one else can make a new public key?
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1answer
246 views

Are “1” , “3” and “Bech” Addresses (BTC) forward and backward compatible?

Wondering if lets say someone has funds in Bech32 and they send to a "1" or "3" address due to less characters to remember ect.
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1answer
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Is there a maximum balance that a single address can hold?

Is there a maximum number of satoshis that a single address can control at a single time? I ask because when I generate regtest blocks to a single address, it's balance gets stuck at 1494999998350 ...
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2answers
34 views

Watch a BitCoin account for incoming payments

I want to watch a set of BitCoin addresses and be notified (preferably by email) when they receive a payment. I prefer me not to write my own software for this and not to install it on my own server, ...
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Does hashing of bitcoin addresses cause collisions? [duplicate]

There are 2^256 possible public keys. We generate bitcoin addresses by hashing these public keys using SHA256 and then RIPEMD160. Now, since 160 < 256 won't there necessarily be collisions - ...
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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
168 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
40 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
93 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
43 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
46 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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1answer
41 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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1answer
153 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
56 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
37 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
300 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
78 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
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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
121 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
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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
57 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
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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
111 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
221 views

How to convert script hash to base58 address?

For example : take a look at this 37d1d453311ea5682cdb31468826178db15fa731722a5dbb09525ea901f1c41c scripthash. I need help converting it to base58 address. Thank you.
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3answers
150 views

How to extract addresses from input in raw transaction

I need help to get input addresses from "vin" in offline mode. I don't know how https://live.blockcypher.com/btc/decodetx/ is doing it. Example raw transaction: txn id : ...
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1answer
37 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
63 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
37 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
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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
109 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
46 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?