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
16 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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Is it safe to say that all bitcoin that is mined is staying in the bitcoin adresses that is generated between 2^0 and 2^256?

We know that bitcoin adresses are generated with a 256 bit number(the amount of multiplication that is used on secp256k1 curve). So there can be 2^256 addresses at most where all the bitcoin sits on. ...
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signmessage and verifymessage CLI commands not accepting Address from getnewaddress?

I am trying the following commands on my v0.19.0.1 Core implementation: CLI signmessage $(CLI getnewaddress) <message> and the identical CLI signmessagewithprivkey $(bitcoin-cli dumpprivkey $(...
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335 views

How can a user or wallet have multiple addresses at all if out of a private key can be generated only a single public key?

A user of a wallet, regardelss of a version of a wallet, can generate as many addresses as he wants, right? Since an address is basically a public key, and in "private-public key" ...
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1answer
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Can I recover btc sent to an incorrect address? (electrum)

So I have an electrum wallet and I sent about $150 in btc to it. That all worked but when I tried to send it to another address, it didn't go through. Looking at the transaction, the btc went to an ...
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Recovering LTC from a BTC address [closed]

Please, can anyone help! I sent 24 LTC from my Litecoin Core Wallet to Shapeshift to exchange to BTC and to receive in my Portis wallet. I made an error and sent the LTC to a BTC address on the ...
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I sent money to myself with Bisq, but I have not recieved it?

I sent money to my own wallet address, from my wallet on Bisq. I did not receive the money, even though the payment is completed and has a check mark. In transaction, it shows just a withdrawn, ...
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1answer
54 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
40 views

Electrum wallet address not showing

I've just installed the electrum wallet accordingly said by every other website but wasn't able to find my wallet address under the receiving tab or anywhere as mentioned over the internet. Also what ...
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1answer
69 views

API for top bitcoin addresses sorted by available balance [closed]

Is there any API from where I can get the list of top bitcoin addresses sorted by available balance? I know there are many websites out there listing Bitcoin rich list but I need an API.
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1answer
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How to use the lightning network with Electrum multisig wallet?

I want to experience the lightning network transactions with my Electrum wallet. But the lightning network is not available, and it shows the following information: "Lightning is currently ...
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2answers
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Explain how unused addresses in wallet.dat have no balance when mining occurred for many months

I have a wallet.dat file with many zero transaction/(unused) addresses in it with keys assigned to each address. I’ve done research and there’s quite a bit of info about mining back in the day (2013-...
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48 views

How Bitcoin nodes validate a new wallet

I have a cuple of questions about how wallet creation works. If I create a Bitcoin wallet offline, is there any way of like validate the new wallet, I mean, what if this wallet already exist? I know ...
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1answer
21 views

Address Reuse for Multisig Address

It is De facto standard that address should not be reused, and even Bitcoin officially emphasis address should not be reused. Does the same condition apply for Multi-signature address ?, If Yes apart ...
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1answer
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Address generator error with python

I had created a script that creates a bitcoin private key, public key and address, for checking if all works fine I create one and check the private key on https://walletgenerator.net/, and it outputs ...
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1answer
42 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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1answer
49 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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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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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
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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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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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2answers
51 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
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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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3answers
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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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2answers
133 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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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
30 views

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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Is there a database of wallet addresses with lost private keys?

Hi is there a database of wallet addresses that have lost the private keys?
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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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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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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
45 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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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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2answers
42 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
69 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
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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1answer
54 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
56 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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139 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
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Naming in segwit script

I have some doubts about naming in witness script/transaction. P2SH-P2WSH (multisig) WITNESS_SCRIPT = OP_3 <public key1> <public key2> <public key3> <OP_2> (is it witness ...
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1answer
51 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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Getting mass addresses current balance

How can i get the current balance of massive addresses? I'm getting address balances now on blockchain.info but I need to check about 1000 of addresses in one minute. The issue is that they blocking ...
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2answers
35 views

Why importing private key from one HD wallet to another doesn't restore the balance?

I've seen similar questions here but didn't find an answer I look for a private key in Exodus, for example, and import it to Jaxx and I don't see my balance correctly So my questions is, do all HD ...
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1answer
47 views

Checksum P2WSH failed

My goal is replicate the same P2WSH of https://en.bitcoin.it/wiki/BIP_0173 tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q0sl5k7 I'm able to generate the "first" part before checksum. ...
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2answers
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Can I see the address of my direct peer?

Can I see the bitcoin address (pkh) of my directly connected peers? I'm asking this question because if I can, I can deanonymize my peers given their IP addresses (from the TCP header) right? If ...
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1answer
38 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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1answer
1k views

What are the potential attacks against ECDSA that would be possible if we used raw public keys as addresses?

According to this answer about why addresses are hashes rather than public keys there are potential attacks that are possible if you have the public key rather than the address, what are these attacks?...
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53 views

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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