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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1answer
521 views

How to generate Electrum address with pybitcointools

I want to create a payment service where I want to be able to charge each client according to its invoice. I picked Electrum as my underlying wallet and pybitcontools as my Python interface. I would ...
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1answer
94 views

Electrum. Payto argument from_addr

I need to specify address to send from. I want to use option createnewaddress. And then send money from this addresse useing payto and from_addr option. When I do like that, i got error message not ...
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Can a wallet start with 20 and how can it be generated?

Someone claims a wallet can start with 2 on btc mainnet. How possible is dat. I knw 2 is the testnet pay 2 script wallet type. If its possible. How can it be generated?attached is an example of the ...
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Sent Bitcoin to wrong email address on Coinbase.com

I sent some BTC on coinbase to another one of my own email addresses. But I later realized I don't have a coinbase account with this email. The status of the transaction says complete. Are they gone? ...
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4answers
579 views

What is the relationship between a Bitcoin Private Key / Public Key / Address?

What is the relationship between a Bitcoin Private Key / Public Key / Address? I see that a private key / public key pair is generated, but is there a possibility of generating a private key already ...
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1answer
641 views

NBitcoin: Get address out of raw block stream

OK, I am sure that this is a really dumb, rookie question, so sorry in advance... I am trying to read through the blockchain and display the receiving address(es) for all transactions in the chain. (...
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0answers
24 views

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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0answers
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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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1answer
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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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1answer
241 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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7answers
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Can you generate bitcoin addresses without storing a private key?

Suppose you have a possibly compromised system, which you do not trust enough to stores your private keys on. Is there some process where you can generate unique bitcoin addresses within the system, ...
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2answers
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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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4answers
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ECDSA x,y coordinate validity verification doesn't seem to work

The ECDSA algorithm, secp256k1 for Bitcoin allegedly uses the equation y ^ 2 = x ^ 3 + 7 mod P to determine the validity of an alleged point upon the elliptical curve. Utilizing http://web2.0calc....
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2answers
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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 ...
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3answers
45 views

How does a recipient share his/her address with a sender?

Person A wants to send some bitcoins to Person B. How will Person A come to know about the Person B's address? And for every transaction Person B's address (as well as Person A's) changes. How will ...
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1answer
5k views

Dumpprivkey or dumpwallet won't show my private key for the address in my wallet

Haven't opened my wallet in a while so it's not in sync with the network. 5400 blocks remaining as I write. The wallet is not encrypted. Received some bitcoins to my address in this wallet. Now I ...
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1answer
106 views

Why P2SH seems to be never smaller than 34 characters, unlike P2PKH?

Why base58 of P2SH invoice address seems to be never smaller than 34 characters; unlike base58 of P2PKH invoice address, in which 33 characters is very common? Bitcoin wiki tells (format and emphasis ...
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2answers
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How many characters of an address do I actually need to verify?

Let's assume I want to verify the receive address on the phone. The recipient confirms the first M and last N characters of the address. How big is the computational effort for an attacker to create a ...
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4answers
275 views

Bitcoin purchases by country

I'm interested in getting data on bitcoin adoption by country. Is there a way of mapping bitcoin addresses to countries of origination?
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1answer
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Identify original exchange from Bitcoin address on my ledger

Hi I am being asked to prove which exchange I bought Bitcoin on from several years ago. I have the BTC address on my ledger. Is it possible to trace backwards?
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1answer
69 views

How can a reciever verify that transaction data was not altered by 3rd party?

My scenario: My web server: - Generates private and public, and a wallet address from the public key for a user website account - Server can not connect to the outside (Can not connect to the Bitcoin ...
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1answer
202 views

can not access bitcoin in an address that belongs to a discontinued wallet, although i have the 12 word phrase?

I am still a Rookie regarding bitcoins and therefore apologize beforehand if I might use some words wrong. I started a bitcoin wallet through a provider some years ago and bought some bitcoin. The ...
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1answer
218 views

Address Verification Failed / View on Tresor Address don't Match

Using LTC wallet on new Trezor. On "Receive Payment" tab, clicking eyeball icon, the address shown on the Trezor does not match the address shown on screen. What gives? Did I already get hacked?
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2answers
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Should you protect your Bitcoin address like your credit card number?

Today, I recieved this scam email: We have reached the biggest milestone in our history – over a million wallets. https://[removed] will celebrate with some big prizes. In October 2013, ...
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1answer
1k views

What does sigscript and witness mean?

I tried using the R scanner from the following link https://github.com/ca333/rng-scanner/blob/master/rscan.py, then I got results like this Bitcoin Address : 3EZ5yV5FARDqEZTXzwWNt33XLVhv7hqAS2 R: ...
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1answer
178 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
445 views

How to monitor Bitcoin address for new transactions?

I have some generated Bitcoin addresses which I want to monitor for newly received transactions, I have a full node but I don't want to import those addresses to the node's wallet. I don't want to use ...
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1answer
457 views

How many addresses can Bitcoin Core 0.13 **effectively** manage?

I want to know, what's the maximum amount of addresses that Bitcoin Core 0.13 can manage? All addresses should belong to the default account. I want to use the walletnotify feature How does the ...
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1answer
112 views

How to check if one transactions is from the same wallet (public key) as a previous one

I wonder how to figure out whether one Bitcoin transaction is from the same wallet (public key) as any previous transaction in order to proof the ownership of a wallet.
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2answers
13k views

Simple Address check via API

So I have a wallet with thousands of addresses, I want to know how can I check the blockchain whether or not a transaction has been made to one(or another) of the addresses?
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1answer
51 views

public key generated when importing PK different from original pub key

I used bitcoin core (latest 0.19) to create some addresses offline. When I dumped the privkey I was surprised to see all of them starting with L2 (and the addresses with 3), but I went for it. I take ...
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2answers
16k views

How do I find the exchange an address belongs to

How do I find the exchange that an address belongs to? I have an address that I have sent Bitcoin to but I forgot what exchange that address was for.
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2answers
131 views

Signature doesn't prove that the owner of a Private Key produced a given message

Let's assume I am a developer of Bitcoin wallet. If I create a private key without implementing a seed phrase methodology (not using the principles of BIP32 and BIP39), is there at least the slightest ...
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1answer
62 views

Specifying delivery addresses on channel closes - includes force closes?

In https://github.com/lnbook/lnbook/blob/develop/07_payment_channels.asciidoc We see this block of text: Typically the addresses used in this cooperative close transaction are generated freshly for ...
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1answer
132 views

If Cryptocurrency offers anonymity, why is it considered by forensic professionals to be the best currency for fighting illicit transactions?

A paper by titled An Analysis of Bitcoin’s Use in Illicit Finance discusses how Cryptocurrency is considered by forensic professionals to be the best currency for fighting illicit transactions. In ...
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1answer
60 views

Libbitcoin How to generate addresses on demand from xpub?

Well, I am really new to this. Just installed libbitcoin and I am reading trough the wiki and everything. Could someone really quick hint me how to generate addresses whenever I want from xpub that ...
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1answer
62 views

How to generate new wallet address per token

I'm using getnewaddress bitcoin-cli function to generate wallet addresses but i need one address per token. Is it possible to use a parameter like seed for random numbers to get the same address when ...
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1answer
57 views

Safest way to validate typo

Let's assume that I have small crypto exchange site called "MyExchangeWebsite". It works like this: user creates ETH-BTC order, specifies his BTC address and sends ETH to my ETH address, I ...
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0answers
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Script type test vectors

I'm looking for test vectors, assuming xpub or public key to derive various script type addresses out of it. Something along the line of https://bip32jp.github.io/english/ but not only for P2PKH, but ...
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1answer
137 views

Calculate Unspent using private keys

Can we calculate unspent of addresses which are generated from other node server if we are having private/public key of those addresses?
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1answer
389 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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1answer
100 views

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
278 views

Manually checking for credited bitcoins

If I have the bitcoin address, the private key and a transaction ID from Bitcoin (regtest mode) in shell variables, what Python code do I need to run to claim the Bitcoins are indeed intended for this ...
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60 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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2answers
98 views

Trace Bitcoin Fund Flows When There Are Multiple Input and Output Addresses

I'm trying to analyze transaction data and wondering if there's a way to tell how much was transferred from one wallet address to another when there are multiple inputs and outputs for one transaction....
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Accessing Bitcoin wallet with bitcoin address [duplicate]

In 2017 I created a bitcoin account and forgot all about it. I have the bitcoin address key though. Is there anyway I can recover the bitcoin wallet now?
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1answer
201 views

Why does Bitcoin Core support a transaction index but not an address index?

Bitcoin Core has the CLI option -txindex to maintain a full transaction index for RPC calls. That sounds useful for some use cases, like for a blockchain explorer. It seems perfectly logical then that ...
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1answer
126 views

Bitcoin Core v.0.14. doesn't recognise recipient address starting bc1

I have some problem with sending Bitcoin from Bitcoin Core v.0.14. When entering the address in recipient field it becomes red. And I noticed that the address to which the translation needs to be made ...
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2answers
532 views

How to protect my private key from an unexpected new owner of the address that already belongs to me?

I understand that the situation I am describing is unlikely (because we have 1.46 Quindecillion possible Bitcoin addresses), but let's imagine that someone generated the same address as mine. Is there ...
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2answers
211 views

Static Wallet Address

How do I make my account static so the address stays the same. The bitcoin wallet address keeps changing and I need to figure out how to make it stay the same

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