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
17 views

Is there a CUDA binary to convert a brainwallet string to a BTC address?

I am looking for a CUDA program which will take a single argument, a brainwallet password, and output a BTC address. After reading through several threads on how to convert passwords to public keys, ...
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2answers
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Unknown Address Format Parsing Bitcoin Addresses from Blockchair Data

I've obtained a list of all current Bitcoin addresses with balances from Blockchair, which is downloadable from their data repository located here. I have downloaded the Bitcoin / Addresses TSV ...
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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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2answers
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How to retrieve all addresses with non-zero balance and their balances?

I'm looking for a way to retrieve all address balances of addresses with a non-zero balance in the blockchain. Is there a software tool that can calculate the balances in an accessible format? Or ...
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0answers
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Blockchain address holding coin

I had a transfer sent to my blockchain and the amount appears in my balance but when I try to send funds from my account, says insufficient balance. I suspect it's because one of my addresses appears ...
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1answer
44 views

How to check if a given address belong to an exchange

Does any exchange provides any public information about its private keys managed BTC addresses, or is there any service that provides this information?
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How does a game like Satoshi Dice avoid de-anonymizing users?

When considering games like satoshi dice or many other more typical online casino games, how do they handle awarding prizes? It seems like they pay back to the original input that sourced capital to ...
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3answers
10k views

What are the minimum and maximum lengths of a Mainnet Bitcoin address?

I'm getting mixed answers on this question. For example, this source says addresses vary between 27 and 34 characters in length. The Wiki says 26-35 characters. Neither source cites something that ...
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What are the minimum and maximum length of a Mainnet Bitcoin address? [duplicate]

The wiki says that A Bitcoin address is an identifier of 26-35 alphanumeric characters. Is this information up-to-date? Even the Bech32 address bc1qar0srrr7xfkvy5l643lydnw9re59gtzzwf5mdq given as an ...
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2answers
40 views

Bitcoin Core internal Electrum Server

Is there a technical reason for which there isn't an option in Bitcoin Core that would deploy an internal Electrum Server, or something similar so that a software wallet can fetch addresses and ...
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2answers
411 views

Decentralized democratic voting [duplicate]

Has the fundamental problem in cryptovoting, one person, one vote, in a completely decentralized or blockchain centric manner been solved? In other words, how can votes be allocated in a ...
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1answer
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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
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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
25 views

Convert public address to large integer

I need single integer converted from public BTC address. Is it enough to Base58Check decode the address and I will get hex/binary format of that integer or do I need to do something more? What will be ...
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1answer
154 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
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Relation between bitcoin address/private keys size and number of characters?

Bitcoin address is 25 bytes long, address = [Version Byte (1)][Hash 160 (20)][Checksum (4)] whereas number of characters in this string are 34. Same with private key: 32-byte have almost 52 ...
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2answers
45 views

Correct Approach for Payments on Multiple Addresses

I have clients that would like to pay for services in BTC. TL;DR To generate a new payment address must I generate a new private key (essentially a new wallet)? Is it better to generate independent ...
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1answer
114 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 : 1==> Get the Account XPUB [78Bytes] 2==> SHA-256 3==> SHA-256 Again 4==> ...
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He is scamming me. Is there any way to trace his location? [duplicate]

Well I just found out that he has scammed a lot of people already. i was lucky enough to not be one of them. Im still interacting with him but he does not know that I know what he is up to. He ...
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2answers
39 views

How can I move bitcoin from one exchange to another without mining fees?

I have held bitcoin since 2010. At the time coinbase opened one could type in the bitcoin address and public and private keys from paper into their wallet and voila the coins were available for ...
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1answer
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Can I know if a bitcoin private/public key or address was derived from another key in an HD wallet by its structure?

If I have a bitcoin private key, public key or address, can I know if it is a root private key or some other part which derived from a root private key in an HD wallet by the structure of it? To be ...
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0answers
113 views

Online wallet for betting / customer profile?

I am looking for a system that provides users with the option to deposit and withdraw BTC to a generated address. Basically something that works like https://primedice.com/play and https://dicecoin....
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1answer
59 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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2answers
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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
110 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
25 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
108 views

convert private key to bitcoin address using python or php

I have private key like this 5JYJWrRd7sbqEzL9KR9dYTGrxyLqZEhPtnCtcvhC5t8ZvWgS9iC how to convert to bicoin address using python or php? example bitcoin address 18V7u8YNHKwG944TCkzYYj32hb6fdFPvQf
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2answers
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How to get both confirmed and unconfirmed transaction details of foreign(non-wallet) addresses from bitcoin-node server?

How to get both confirmed and unconfirmed transaction details of foreign(non-wallet) addresses from bitcoin-node server? Actually i have generated the addresses using third party library and sent some ...
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2answers
78 views
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0answers
28 views

My receipt is Faded

Basically after purchasing my bitcoin from atm machines i put receipt in wallet by the time I went to use it some of the the receipt was faded to were i can't read it and it won't even scan. What do ...
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1answer
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Pros and Cons of each address types

Can someone explain benefits of using p2pkh, p2sh, bech32, p2sh-p2wpkh, p2wkph, p2wsh.. and so on from what I know, bech32 is most recent, but what would you say is the best?
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2answers
574 views

Why don't P2PK scripts have their own address?

If I understand addresses correctly, different types of addresses are used to map to a particular locking script (scriptPubKey). So based on the leading character of an address, a wallet will decode ...
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1answer
92 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
267 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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2answers
18k views

How to get all addresses - including the “change” addresses - from bitcoind?

I want to get all my addresses - including the auto-generated "change" addresses - from a running bitcoind somehow. I haven't been able to do it in a simple way. "getaddressesbyaccount" and all the ...
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1answer
52 views

RegTest with mainnet addresses

I am trying to run a private Bitcoin network for testing. I tried to run a RegTest network, but I need the addresses to be in the format of the ainnet. Can I configure the RegTest to run with Mainnet ...
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6answers
8k 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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Unspent bitcoin transaction

So about two weeks ago i sent bitcoin to a friend, and it was confirmed but in the summary it was listed unspent, he claimed not to have received. I was really confused since then, now this morning i ...
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1answer
49 views

How to send bitcoins from one address to another without wallet

I generated btc address and put some coins into it. Now I want to send coins to another address. I can't find any infomation about how I can do it. I don't have wallet, I only have address: public key ...
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How to calculate z and z1 from ecdsa signature [duplicate]

Can anyone explain me any clearly answer or code in python with examples how we can calculate z and z' value fromECDSA Signature order? I search in google and youtube and i not saw any correctly ...
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1answer
35 views

I need a few lines of python to make WIF addresses

I have code which generates WIF keys from hex keys. It just need a few more lines to generate WIF addresses. ------------------------ import binascii, hashlib, base58, sys def convert(z): ...
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0answers
23 views

Bitcoin sent and confirmed on my side but not recieved [duplicate]

I sent 2 payments to a bitcoin address I checked the address many times and it was correct, even got a second pair of eyes on it. However the payment was never received yet conformed on my side. The ...
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1answer
41 views

Decodescript for a Testnet pubkey hash address

This is the address information: bitcoin-cli validateaddress n35oDVMPNkHRzBKy7q9RDB7r5e8qbVa9SW { "isvalid": true, "address": "n35oDVMPNkHRzBKy7q9RDB7r5e8qbVa9SW", "scriptPubKey": "...
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2answers
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Trying to locate my bitcoins

I was working with a broker, now my "bitcoins" are in "blockchain", and I have no trace. How do I find them? How do I find said blockchain and bitcoins ?
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1answer
61 views

Generate bitcoin address from public key file

Is there a way to generate a bitcoin address from public key with openssl command line ? Thanks
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1answer
11k views

What's the relationship of Bitcoin addresses to public keys?

A Bitcoin wallet can handle multiple private keys. In ECC, you can have 2^256 private keys, and for each key, you can have 2^256 public keys. Assuming that's right (please correct me if I'm wrong), ...
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1answer
50 views

What is the link between address and use of the UTXO?

I state that I'm still a beginner. I need some clarification. I am using the Testnet. This is the information regarding the address I used to receive funds from a Faucet bitcoin-cli validateaddress ...
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1answer
375 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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3answers
12k views

Is it possible to use xpub address to monitor balance from previously generated addresses?

I'm trying to find a way where I can view balance of my ledger nano s wallet without always attaching it to computer all the time. I found something called xpub address which allows me to generate ...
3
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1answer
66 views

Why can't bech32 addresses be mixed case?

I know that they cannot be mixed case due to their BIP but what was the intention behind this idea and would it be problematical to convert a mixed case bech32 address to a lower/upper case bech32 ...

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