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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2answers
48 views

is it possible to deposit bitcoin into an address without making the address public?

I thought one safe way to keep a bitcoin "cold" and safe is to not show its address ever to the public. However, let's say if I create an address, so that means I create a pair of public and ...
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2answers
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Which address should be used to send the money as target?

We operate a market, there are sellers and buyers. Seller has Hierarchical Deterministic Wallets. Seller give us the Xpub. Which address should be used as destination, when buyer wants to send money ...
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1answer
132 views

I need help with an bitcoin open book exam

I am completely new to bitcoin and by extension cryptocurrency, but I am slowly getting my head around certain things. My problem is I am currently doing an open book exam and I am free to use any ...
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2answers
166 views

Generate public/private key for bitcoin with openssl

I want to understand how bitcoin works and I do not trust tools or bitcoin platforms. I have read this on Internet. Can you confirm me this lines are generating a bitcoin public/private key safely ? ...
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1answer
30 views

Why does Electrum keep creating receiving addresses?

Everytime I open Electrum up, a new address for receiving is generated. Why is this happening? Is it supposed to generate so many addresses? I have over 20 receiving address at the moment. This seems ...
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4answers
2k views

What is the Bitcoin equivalent of /dev/null?

Which canonical address is a legitimate address that nobody can claim?
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1answer
106 views

How convert Bitcoin Privat Key Compression to public address?

This script gets the public address from the uncompressed private key. import ecdsa import hashlib import base58 private_key = input("privatekey: ") # ...
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1answer
82 views

Is the public address for Tesla's wallet known?

I understand if this isn't likely the place. It has been all over the news that Tesla has bought 1.5 billion in bitcoin. I'm curious if tesla's public wallet address(es) are known? If they are not ...
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2answers
528 views

Is it possible to create an address from a predefined private key?

I was not sure how to formulate the question title. What I want to achieve is the same as VanityGen and many other tools do to create an address starting with a predefined part, but with private keys. ...
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0answers
66 views

Unconfirmed transaction and expired address help

I have one unconfirmed transaction and now the expired address. I cannot abandon the transition because the writing is gray, +24h hours have passed (the arrival was expected in 8 hours...) and no ...
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2answers
510 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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0answers
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Bitcoin Address Expired

so I sent bitcoin to an address before it expired but before it could expire it didn't arrive to that address yet, would it still reach that address anyways or is it that when the address expires that ...
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2answers
68 views

How to monitor thousands of bitcoin address transactions [closed]

I've developed a cryptocurrency payment gateway application, which generate new addresses for users and all addresses are stored in database,i need a some way to monitor transactions. I implemented a ...
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7answers
9k views

What is the longest known vanity address generated?

Anyone can generate a vanity address of arbitrary length with appropriate tools, it's just a matter of performing enough computations. What is the longest known vanity address anyone has generated?
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3answers
152 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
57 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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3answers
405 views

How Bitcoin handles addresses collisions?

Since the addresses are hashes of a public portion of a public/private ECDSA keypair, what would happen to two different people with different keys that hashes into the same address? How would ...
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1answer
113 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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4answers
5k views

How can I test if a bitcoin address is compressed or not?

I have two bitcoin addresses: 1D8VSXHFAWNhAbruwUMbNp4hsXAnRNkYvX 12T15tvMGaymMX97X9KxVzyLF323r8v6Hg One is compressed, one is not. How can I test which is which? (Preferably using python 2.7) ...
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1answer
35 views

Is it safest to double check my new bitcoin address never showed up in the Ledger (the blockchain) before?

I just noticed in my Coinbase Pro, I can click deposit, BTC, and get a brand new address every time. It probably is due to "address is very cheap". It can be just a new pair of private key ...
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1answer
32 views

How wallet handles different cryptocurrencies? [closed]

As far as I know, wallet stores private and public keys and calculate balance according to that. Suppose a wallet(Single cryptocurrency) has 3 keys (private,public). Wallet will find UTXO's connected ...
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1answer
97 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
196 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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1answer
93 views

Please help out I send 109k to my client he was able to receive $50,000 please help

I send a bitcoin transaction of all coin my wallet which is $109,180 to my client wallet address giving to me. But he received $50,000 in is wallet address. And I sent all the coin my of 109180. ...
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1answer
264 views

How To get Address Public Key from Account XPUB?

I am little bit confused or not able to get the right Address Node Public key from Account XPUB. What I have done : Get the Account XPUB [78Bytes] SHA-256 SHA-256 Again Created Extended XPUB (XPUB ...
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2answers
468 views

How can someone lose funds in Lightning Network?

In Bitcoin once you own a private key associated with an address that has bitcoins on it, your funds are theoretically safe forever. But on the Lightning Network, I see that once you send bitcoin to ...
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1answer
48 views

how to find name wallet with a btc adress

I sent Bitcoin from one address to another, but I no longer remember the name of the digital currency wallet. Is there any way to find out its name using a Bitcoin address? please help me
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3answers
3k views

I've read that bitcoin addresses are never destroyed, but do they get recycled/reassigned?

What happens to old bitcoin addresses? I've read that they never get destroyed, but do they get reassigned? The story is I sent some bitcoin to an exchange using an address I've used with them before, ...
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1answer
25 views

Can we think of an address a mini-account, and is re-useable and disposable?

Can we think of an address as a mini-account, and we can keep on using one, or we can use many to add privacy to our activities, and we can transfer or sell the bitcoins in it and make them empty and ...
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5answers
570 views

How does one checks which customer made a payment?

One question I'm not able to properly answer when asked is How exactly can the blockchain verify the identity of the user without a centralized trusted party such as VeriSign? I know this is done ...
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0answers
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How to view addresses previously shown by Bitcoin QT console

I want to be able to compare receive and change addresses that are provided by watch-only wallet providers like Specter and Electrum with Bitcoin Core (not something like Ian Coleman's tool). I ...
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4answers
14k views

How are different Addresses generated from the same Private key?

I was reading in the "Technical background of version 1 Bitcoin addresses" that addresses are a function of the private key. More or less: Private Key -> Public Key -> Address If the Public ...
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1answer
54 views

Can you help me see if I have an old Bitcoin account? [closed]

I set up an crypto account & had different coins in it, but the computer died, updated to a current machine. Have also changed from AOL to Gmail, that was around 98 or 99, if that gives you any ...
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2answers
139 views

Is using different addresses for bitcoin similar to having different email addresses?

I first got quite confused about having different "addresses" to get or send bitcoins. But is it as simple as, we can have different email addresses: molly.rosie@gmail.com peterpan123@gmail....
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0answers
27 views

Bitcoin.text into Electrum issue with “0014” addresses

I am currently retrieving an old wallet. Which may have recieved btc from another wallet from around 2012/Be the old wallet. While copying in to Electrum to create a new wallet using Import bitcoin ...
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1answer
109 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
36 views

Fees for Multisig Addreses Twice as High as Standard Address?

Based on my research the cost to transfer funds from a 2/3 MultiSig address to any other address (be it a standard or MultiSig address) is approx. 2 x the cost of transferring funds from a standard ...
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2answers
22 views

How does change address interact with original address

change address is an additional address inside a wallet, which u can create with a raw transaction with 2 outputs. What I want to know is how does this change address interact with the (for a lack of ...
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1answer
32 views

What does it means “get a new address and then make the Bitcoin offline” and make it extremely secure?

I have been reading about Bitcoin, and one thing was about making Bitcoin extremely secure, which is to get a new address so that nobody knows, and then making it offline right away? Is it like 0.01 ...
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0answers
28 views

How to get input and output address in a transaction with blocksci?

I have downloaded bitcoin core and have parsed it with blocksci. I want to get the data about the inputs and outputs of each transaction like this: import blocksci chain = blocksci.Blockchain('./btc....
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2answers
69 views

What exactly is an address in bitcoin

Here is what I've understood of bitcoin: Everybody has a public and private key. If A sends bitcoins to B: B is generating an address and sends it to A This addresses are generated for each ...
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1answer
219 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
77 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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1answer
41 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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1answer
1k views

Aren't the Bitcoin receive addresses the public keys?

These public keys are easy enough for anyone to obtain from a Bitcoin address. Source: https://youtu.be/h7baD335hCw?t=598 ... What? Aren't the receive addresses in fact the "public keys"?
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1answer
30 views

Mnemonics but for Public addresses

Are there any implemented ways for turning addresses into human-readable word(s)? If not, why? I.e., are there any known technological issues in implementing this? Thanks
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2answers
262 views

What happened to my coins, balance account is zero … hacked?

Yesterday I was surprised to seen that my wallet drop to zero by this transaction id : 504ebc5aa9c6dcdbfadfd97ccd47a289a309d829530e529e558b715563c4ec3b It seems the adress : ...
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1answer
27 views

address information

a person is trying to get me to transfer 500.00 in bitcoin to an address. The address doesn't have any balance, known input, repeated input, tags, or website appearances, total received, last known ...
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1answer
43 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
44 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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