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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3
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1answer
301 views

Bitcoin Core 0.13 How many addresses it can **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 walletnotify feature How startup time ...
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0answers
12 views

Transactions with Bitcoin Mockup/Method

As I haven't got many resources I am unable to test this method however before I spend the time investing in servers and such, I would like to show my idea as to how I will be handling a payments ...
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0answers
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Regarding Stuck Bitcoin [duplicate]

I made a mistake in Set my Fee to low and it has been stuck for 9 days. What can I do someone please help? I just need some help regarding this matter. I'm a first time user and I just want to make ...
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2answers
22k views

Bitcoin Cash accidentally sent to Bitcoin address. Can I get them back?

I managed my Bitcoins Cash in a Electrum Cash wallet on my PC. From there, I accidentally sent them to another internet based wallet, but didn't notice that this wallet is for Bitcoin and not Bitcoin ...
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2answers
117 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 ? ...
2
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1answer
62 views

Re-use change address as a receive address

Technically speaking, is it possible to reuse a change address from a previous transaction and make it a receive address? What are the pros and cons of doing so? This does look like a bad privacy ...
0
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1answer
45 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
60 views

Can a single wallet generate (and use) both SegWit and non-SegWit addresses?

Is a Segwit wallet able to generate and use non-Segwit addresses? I'm using Bitpay's Bitcore to create wallets and generate new addresses for the users of my platform. I'm also using Bitcore-wallet-...
39
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2answers
9k views

What are Green Addresses?

What are Green Addresses? Is it true that they can solve the "confirmation delay" problem, and how does that work? Are there any drawbacks?
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1answer
75 views

Compatibility questions regarding Native Segwit addresses

I have a question regarding Native Segwit addresses. I understand that those addresses are more efficient and that you save on fees when you send BTC from them. However, does it matter which type of ...
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1answer
51 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
78 views

Accidentally reused bitcoin address

I've understood that address reuse undermines privacy and potentially also security in the future. Recently though, I accidentally reused the same public address when receiving funds from an exchange. ...
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1answer
74 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
474 views

How is it possible that the same WIF Private Key generates two different addresses?

I am wondering if you can explain this. I went here: https://coinb.in/#newSegWit Created the SegWit Address below: 3ASaGJ8h2bLn6Jha3hncBzXUKRCLyfv9bk RedeemScript ...
8
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2answers
4k views

What roles of WIF(Wallet Import Format)?

I am reading "Mastering Bitcoin" written by Andreas and I found this explanation about "WIF(Wallet Import Format)" Key Formats Both private and public keys can be represented in a number of ...
2
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1answer
163 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
26 views

Version prefix used for Bech32 addresses

I was compiling a table for Version prefix (hex) and Base-58 result's prefix for different types of Bitcoin addresses. I came across the content here: https://en.bitcoin.it/wiki/...
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2answers
6k views

list of addresses for major bitcoin exchanges

Is there a list available of the addresses for the aggregating wallets of major bitcoin exchanges? If so, where?
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1answer
175 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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2answers
411 views

How to use `scantxoutset`

Looking to fetch the UTXOs for a given address and can't seem to find the correct command syntax. Here is an implementation in bitcoin-core via javascript, but I also experience the same on bitcoin-...
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0answers
43 views

Attacker Changing Address to Receive Block Reward [duplicate]

A miner creates a block B which contains address α, on which he wants to receive his rewards. An attacker changes block B, such that instead of α it defines a new address α’, which is controlled by ...
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3answers
57k views

What's the difference between a wallet and an address?

Bitcoin seems to have the concept of a wallet and an address. Are they the same thing? If not, how do they differ?
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1answer
72 views

Is there any available way to discover/find the public key of a specific address?

Is there any way to discover/ find out the public key of a specific bitcoin address? If not, are there any available tools online to help find the public key of a specific bitcoin address?
3
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1answer
84 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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2answers
52 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
139 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 ...
0
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1answer
66 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.
0
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1answer
31 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 ...
0
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2answers
142 views

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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1answer
49 views

Can I find a bitcoin wallet from an address directly from blockchain data? (not website)

For example https://www.walletexplorer.com/wallet/03457b955f9c055c/addresses shows all the addresses linked to wallet 03457b955f How do they do that? Thank you !!
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2answers
36 views

Public key management

There is something i am not sure to understand on bitcoin private/public keys and addresses. A new bitcoin user "U" first generates a private key. He can compute several public keys from ...
0
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1answer
31 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 ...
3
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2answers
3k views

Is this how to generate a bitcoin address with python?

So I have already the public key. My question is if I'm applying correctly the b58 encoding, since bitcoin uses b58check, and also adds x00 prefix. Can somebody explain me that? Thanks. import ...
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1answer
106 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
22 views

Is there a way to a get a list of all address tags from Blockchain.com? (either by scrapping or API)

I am looking to get the most complete list of address association with entity names. I am thinking blockchain.com must have a good one but here https://www.blockchain.com/btc/tags?filter=8&offset=...
0
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1answer
295 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 ...
2
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0answers
575 views

How Can I create a wallet on Electrum from address or QR code?

Suppose I signed up in a website which creates me a bitcoin wallet address for my account and provides me with this address (someting like 2RfG1Ph5KlojhnFi8Dg36lfeshnfDiL3Ji) and the QR code. How can ...
0
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1answer
69 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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1answer
43 views

Find the sender address specific date

What is the Senders address to this address in July 1, 2017 to 33ox8sprJPoz7C3doQmi3ArKqkfbPErfKy in totall 4 BTC
2
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1answer
169 views

Securely erase a previously used address from bitcoin-core

I'd like to completely delete an address from bitcoin-core, in such a way that someone who obtains all the data on my computer could not find out I ever used that address. Is it enough to delete ...
0
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1answer
47 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
22 views

How does bitcoin core calculate the local address score [duplicate]

For example, I have a node running with an ipv4 and an onion address, when I run the bitcoin-cli getnetwork info it have a field called score, and is unique per address. But, how the core calculate it?...
0
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1answer
190 views

How to get the Bitcoin address from the bitcoin Public key? [closed]

I am working in js and I need a library that helps me get an address from a public key stored in a buffer format.
21
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3answers
5k views

Why does Bitcoin support both compressed and uncompressed keys/addresses?

My question is about the difference between compressed keys and addresses, and i know it was addressed in another question but my question is less about the theory and more about how the keys are used ...
1
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1answer
80 views

how to generate bech32/segwit address from pubkey in golang

I am trying to generate bech32/segwit address in golang with the following code: var pubkey *btcec.PubKey address, err := btcutil.NewAddressPubKey(pubkey.SerializeCompressed(), chainParams) if err != ...
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2answers
61 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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1answer
43 views

How Many Clients Could Not Send to Bech32 Addresses?

For my client, I have set up a custom BTC payment solution using BTCPay Server. The wallets I have configured in BTCPay Server produce only bech32 (bc1xxx) addresses for payments (cheapest ...
0
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1answer
77 views

Why is BIP32 root key different for different standards(purposes)?

When generating key on https://iancolemen.com/bip39/, the BIP32 Root Key changes as I change the derivation path tab, e.g. BIP32, BIP44, BIP39 etc. Why is this the case? Isn't BIP32 Root Key the m at ...
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2answers
57 views

How to extract all the bitcoin addresses with bitcoin-cli?

I am trying to get all existing addresses on the bitcoin blockchain with bitcoin-cli. It seems that I can get addresses from vout that are of type "pubkeyhash". If the type of vout is "...
3
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1answer
433 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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