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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5
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2answers
710 views

Remove address sub from blockchain websocket API

According to the docs, Blockchain.info provides a websocket API that streams a few things: All unconfirmed transactions using "op: unconfirmed_sub" New blocks & the data they contain using "op: ...
3
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1answer
46 views

Bitpay unused address - has balance

So, I have a wallet - and the balance is incorrect. I have looked into it a bunch and finally tracked down what I think is the issue. If I view all of the addresses used in my wallet I see a list of ...
3
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1answer
58 views

Fundamentals: Addresses don't hold coins, wallets do?

In the beginning it was my understanding that: Every address has a private key Every address has a balance Every address may send and receive coins. This is simple. But now I am using more proper ...
0
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2answers
34 views

Can addresses used in a single tx be assumed to be from the same wallet?

can addresses of input of a single tx be always considered as belonging to same account? Above is a sample transaction on bitcoin. Here, input addresses are 3P2hJg8iRSBExAjd9yQGaazCLPFLeGB3hU (0....
6
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2answers
473 views

Most efficient way to store Segwit Address in a database

This is not a duplicate of What is the most efficient way to store bitcoin addresses in a database? but it's the same question except I need a segwit answer. Let's say I wanted to store every ...
8
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5answers
2k views

Which programming languages support secp256k1?

Which programming languages have some ready libraries that support Bitcoin's ECDSA curve - secp256k1?
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1answer
721 views

How To Traverse Bitcoin Addresses in HD Wallet

It appears that there are many way to traverse Bitcoin addresses. I am looking best practice, and I am also looking for the documented logic of how common wallets do it so I can replicate their ...
0
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0answers
21 views

Hidden wallet address? [duplicate]

A wallet --------send bitcoin(0.0113BTC)------------> B wallet Awallet address list 2NGEB7pAJz2qVsd38yWvwR2fogeVf94xbQZ 2N8JupKNkFCN1dBzmymbHuJLeYsobWPCEa5 2N51bmRSUE2nWdZZtESumvz6HNjmNA8frSB ...
2
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1answer
240 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 ...
1
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1answer
42 views

about Bitcoin address

I'm studying bitcoin. I have a question because I was curious about the part of wallet. Can I send it to the wrong address format? The address format is correct, but is it possible to send bitcoin if ...
2
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1answer
82 views

How do I export an xpub from Bitcoin Core for use in BTCPayServer?

I'm using Bitcoin Core 0.17, and using bitcoin-cli getaddressinfo method to extract xpub for a given address. This xpub is 66 characters long, and I'm using BTCPayServer which needs this xpub and I'...
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2answers
2k views

Simple Address check via API

So I have a wallet with thousands of addresses, I want to know how can I check the blockchain whether or not a transaction has been made to one(or another) of the addresses?
5
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4answers
6k views

Bitcoin QR codes: raw address or Bitcoin URI scheme

I am the author of bitcoinaddress.js library and I am wondering what's the best content for Bitcoin QR codes. What Bitcoin QR codes should contain (for mobile wallet apps and other barcode scanners): ...
0
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1answer
387 views

Generate QR code for multiple cryptocurrency addresses

I want to generate my own QR code with my main cryptocurrency addresses without using an online solution, is there maybe a command prompt way or particular piece of software I cam download for this, ...
0
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1answer
415 views

How to generate a bitcoin address from a hexadecimal private key using openssl in swift

I have an iOS app which can generate Bitcoin private keys in either a hexadecimal or base64 output. I'd like take the resulting private key and generate the Bitcoin address from it. I've included ...
5
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2answers
620 views

Is it possible to discover the set of bitcoin addresses from a public key?

I'm trying to find the set of bitcoin addresses from a public key associated with a user just to analyse this user transaction. Is there any way to derive/find all the addresses that have been ...
1
vote
1answer
252 views

Why does my implementation of hex to Base58check produce different results than the example?

Step 8 of this wiki page gives this hex value: 00010966776006953D5567439E5E39F86A0D273BEED61967F6 Step 9 converts it to this base58 string:16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM I'm trying to implement ...
0
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1answer
102 views

Retrieve Bitcoin wallet details

We have a bitcoin wallet which we tried to update as it was dormantfor some 8 years plus but we were unable to do so as we haven’t got the Bitcoin wallet details. Is there any way of retrieving my ...
0
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0answers
25 views

Bitstamp and deposit address

I have a Bitstamp account and when I try to use the API for bitcoin deposit I discover that there is a unique address for my bitcoin deposit. It is safe in term of address reuse consideration ? Here ...
2
votes
1answer
187 views

Manually checking for credited bitcoins

If I have the bitcoin address, the private key and a transaction ID from Bitcoin (regtest mode) in shell variables, what Python code do I need to run to claim the Bitcoins are indeed intended for this ...
0
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1answer
69 views

GREP help: Bitcoin address/key buried as text somewhere on hdd

So in a drunken moment of genius I had forgotten about, I bought some bitcoin way back. And I buried the address and key in some file... I was being tricky lol. That likely also led me to abandon a ...
0
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1answer
405 views

How to generate Electrum address with pybitcointools

I want to create a payment service where I want to be able to charge each client according to its invoice. I picked Electrum as my underlying wallet and pybitcontools as my Python interface. I would ...
0
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1answer
369 views

Sent Bitcoin to wrong email address on Coinbase.com

I sent some BTC on coinbase to another one of my own email addresses. But I later realized I don't have a coinbase account with this email. The status of the transaction says complete. Are they gone? ...
1
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1answer
463 views

NBitcoin: Get address out of raw block stream

OK, I am sure that this is a really dumb, rookie question, so sorry in advance... I am trying to read through the blockchain and display the receiving address(es) for all transactions in the chain. (...
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2answers
86 views

Convert 33-byte public key with no parity prefix to address

I'm writing a blockchain parser and I keep running into this type of scriptPubKey in the Litecoin blockchain: 20a75ca72ffd994d2004d67b0e89015913f7352455d0111ede590430037c9fe2ac ...
3
votes
1answer
232 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 ...
6
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2answers
6k views

Is it possible to send a message to a bitcoin address? how?

Say I have an online store that accepts bitcoins and want people to be able to contact me through my wallet, because that is ultimately the entity involved in an hypothetical trade. Can that be done? ...
1
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2answers
67 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-...
1
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3answers
165 views

How does a wallet get the public key from an address?

I was under the impression that addresses are just an encoded, hashed public keys with a prefix and that only the public key is used on the blockchain (not the address) for transactions. But if the ...
7
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6answers
8k views

What is the chance of someone (randomly) finding the private key for an existing Bitcoin address?

Say I have created a paper wallet with one bitcoin address in a vault. What are chances that someone else will find the private key for this wallet? Related: what are the chances of vanitygen address ...
0
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1answer
819 views

Receiver email address

Can the receiver's email address be obtained from the Bitcoin address? I accidentally sent money to this address: 14gpxmEMrzCpEEp2GZhbUfP5cgBmwtVs9T Thanks.
0
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2answers
104 views

How to get input address and amount from vin using bitcoin core rpc

I am trying to find details of every transaction using bitcoin core rpc. First, I using bitcoin-cli getblock to get the block data, then use bitcoin-cli getrawtransaction to get the transaction ...
0
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1answer
55 views

Public Key VS Wallet Address - What is the difference?

I am seeing a lot of contradictory information on why we now use Wallet Addresses rather than Public Keys. Some say that due to additional level of hashing (double hashing), Wallet addresses are ...
0
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1answer
21 views

Getting source address of a Tx message from it's signature script

I have a simple bitcoin packet which contains TX message. in a TX message, one of it's Transaction input hex data was like this: ...
1
vote
1answer
27 views

For the 3 bitcoin address types, which can send to each other? Can a valid tx be created that spends to an unspendable address?

I'm just getting started with using bech32 addresses instead of legacy addresses, and I'm not familiar with how the legacy vs segwit compatible vs bech32 addresses play with each other. Can I get an ...
0
votes
1answer
17 views

Is there a way to determine the difference between a BTC prefix 3 address and a LTC prefix 3 address?

I am trying to determine if there is a way to tell the difference between a BTC prefix 3 address and a LTC prefix 3 address, for validation purpose. Example if given this public key address: ...
0
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1answer
51 views

How do I extract the address from a scriptPubKey?

I am creating a block parser and just learned about Scripts in Bitcoin yesterday which is kind of confusing so far. I want to extract the addresses involved in each transaction. Right now, I am able ...
1
vote
1answer
42 views

A more updated address clustering method?

say i have a transaction details of one address from blockchain info. is there a more updated heuristics for address clustering ? i.e. if a transaction has 2 output which address belongs to a ...
0
votes
1answer
96 views

Bitcoin Core `getaddressesbyaccount` method not found (-32601)

On macOS Mojave I have a full bitcoin node synced using bitcoind. I want to get the public address of the default account (i.e. the empty string ""). So I run bitcoin-cli getaddressesbyaccount "" ...
0
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1answer
52 views

Bitcoin websocket like ws.blockchain.info

I'm currently using ws.blockchain.info to subscribing to an address, but it is not really stable and frequently connected. Please tell me some alternatives for it. Thanks.
0
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2answers
36 views

How do I find out where a bitcoin address is from?

I am not looking necessarily a name but more like is it an offline, coinbase, blockchain.com, etc... I had $80 sent from my account yesterday and it says it went to ...
0
votes
1answer
43 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 ...
0
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0answers
22 views

Are there any btc addresses that periodically create a transaction at a regular interval?

I'm looking for any known bitcoin addresses that send or receive money at regular intervals. For example, once per day, an amount from a hot wallet might be sent to a cold wallet. Are there any ...
2
votes
1answer
125 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?
9
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1answer
10k views

Bitcoin Cash “Cash Address” format

What is "Cash Address" or "CashAddr"? Is that a new Bitcoin Cash address format?
2
votes
1answer
335 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 ...
5
votes
2answers
9k views

How to generate addresses in PHP

I need some PHP code to generate bitcoin addresses from a given public key. I can only find algorithms to generate addresses from the master private key but according to https://en.bitcoin.it/wiki/...
-1
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2answers
52 views

getting address from public of ScriptPubKey vs ScriptSig

Recently I read some articles about BITCOIN protocol and it's transaction. I understand(maybe it is incorrect) these rules: An input is what we call an output when you're spending it in a transaction....
0
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0answers
49 views

Generating TXID from transaction's data [duplicate]

As I understand, we can generate a TXID by hashing transaction data through SHA256 twice, and as you know probably, A bitcoin transaction is just a bunch of data that describes the movement of ...
1
vote
0answers
19 views

listreceivedbyaddress missing transactions after restore

After restoring wallet from wallet.dat balance is identical, but listreceivedbyaddress 0 do not have the transactions associated with wallet. listunspent 0 show all the transactions, but it will ...