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
121 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
266 views

API for large number of queries to different addresses every few minutes

I have an application that needs to makes queries to get address balances and transaction data from Bitcoin. What are some possible solutions to this? It would be great if I didn't have to manage a ...
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1answer
874 views

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
283 views

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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2answers
116 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
54 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
70 views

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
166 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
172 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
954 views

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
83 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
113 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
266 views

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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4answers
297 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
88 views

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
1k 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
117 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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717 views

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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52 views

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
146 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
88 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
82 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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2answers
219 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
45 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
71 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
104 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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0answers
828 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
74 views

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
93 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
82 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
73 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
32 views

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
69 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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2answers
2k 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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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
357 views

Confusion about Addresses

I have a little bit confusion about addresses segwit and not segwit. I can see P2WPKH and P2WSH from this link https://en.bitcoin.it/wiki/BIP_0173, and they are segwit and start with bc (mainnet) or ...
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1answer
81 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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135 views

How to generate these bitcoin addresses?

For the private key KwaZRh42fdQD4iUN6sy2GtEC5gfSAYXrQgp16KPV4Pxsspi5ChRb, I have the following addresses: 1N7jKvQ1fHezb61eNsGEaF4gcj5sQXhb2m (P2PKH) 14MNoFYWheu7sLkj8urvXCpYEdCuL4m2PH (P2PKH) ...
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0answers
61 views

Output has an “Unknown” status?

Looking at transaction https://blockstream.info/tx/c362fe7f8cb94b363c0c7cd5a0f82cf0dfa7733ab8a3b90df3eb9f0bff912148 some outputs are having type: nonstandard. There are 2 questions related to it: ...
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1answer
585 views

How to get private key and Bitcoin address in pure Python - without modules?

How to make a pure Python code for Bitcoin address and private key without modules? For now I learn only how from decimal to get a hex. How from hex to private key WIF and than Bitcoin address? bits ...
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0answers
56 views

How to get addresses from a transaction's vin?

How can i decode addresses from the following transaction's vin. Transaction: https://blockchair.com/bitcoin/transaction/ed8286d06f6df2269e8481b37bbc532c11d80bd2d1b155c920a0742daf3185b2 There are ...
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1answer
94 views

Addresses found in wallet.dat that start 00 14

I found a list of addresses in my dumped wallet.dat file that all start 00 14... They are script=1. What are these encoded with and how to decode?
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1answer
734 views

How to generate sub addresses belonging to one private key

We're creating a platform to buy/sell Bitcoin. We need to generate a new child address for each customer allowing them to receive Bitcoin. But all incoming Bitcoins should be stored in our main ...
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0answers
68 views

Question about public addresses

2009 btc private key but no address. I was given btc in 2009 and also mined for a few weeks too. My dad still had every hard drive he has ever used. So i have found a couple of files that have ...
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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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