Questions tagged [xpub]

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7
votes
1answer
355 views

Is it possible to use BitGo's wallet with other software (Electrum or else), what is the used derivation path?

BitGo wallets are based on a 2-of-3 multi-signature, the end user have access to: - Public key (xpub) of the 3rd signer (as the main wallet xpub) - Native Segwit (Bech32), bc1... addresses to receive ...
6
votes
1answer
4k views

What makes an extended public or private key?

I was under the impression that an extended public key was comprised of the public key + chain code, and I'm unfamiliar with what comprises the extended private key. However this does not seem to be ...
5
votes
2answers
200 views

How to accept donation correctly?

Imagine a web page that wants to accept Bitcoin donations. A naive approach is to provide a single address on the page and that's it. The problem here is that the address is known to everyone and if ...
4
votes
1answer
3k views

Converting xpub key to core format

I am experiencing some major issues which I honestly can't understand. When I am generating a wallet from Electrum the public key looks like this: ...
3
votes
3answers
1k views

XPUB, YPUB, ZPUB Converter Tools

I was wondering if there are any good X,Y,Zpub converter tools that any of you are aware of. For instance, a tool that could convert an Xpub into the equivalent Zpub. I was inspired to ask this ...
2
votes
1answer
179 views

Export Xpubkey from Bitcoin Core

How do I export my HD wallet's Xpubkey in Bitcoin Core? Do I construct it using the value of "hdseedid" returned by getwalletinfo?
2
votes
1answer
93 views

is my xPub published when I make a payment? (wallet privacy)

I'm generating new addresses for every payment I receive, but what happen when I transfer the bitcoins from my wallet to another address? is my xPub exposed when doing that (maybe to the bitcoin node?)...
2
votes
1answer
59 views

How do we know which co-signer signature is in raw hex in multisig?

I have a raw 2of3 multisig transaction. In this transaction, one co-signer already signed. The signature is for only one input. ...
2
votes
2answers
161 views

Public Keys Prefixes and Derivation Paths

When importing an zpub, for example, to a wallet, does the wallet understand it should recreate a set of addresses using the derivation path "m/84'/0'/0'" and the script type "p2wpkh&...
2
votes
1answer
829 views

Can I export a xpub/zpub/ypub key in bitcoin core?

I'd like to add a master public key (any of xpub/zpub/ypub https://support.samourai.io/article/49-xpub-s-ypub-s-zpub-s) for tracking purposes to Sentinel watch-only wallet https://samouraiwallet.com/...
2
votes
1answer
729 views

What does 44' mean in BIP44?

After reading BIP44, I saw Purpose is a constant set to 44' (or 0x8000002C) following the BIP43 recommendation. I believe 0x8000002C is 128 as an integer, how does this equate to 44' however? ...
2
votes
2answers
6k views

How to generate a new extended public key (xpub)?

I have a need to generate a new extended public key (xpub). Examples: xpub6CUGRUonZSQ4TWtTMmzXdrXDtypWKiKrhko4egpiMZbpiaQL2jkwSB1icqYh2cfDfVxdx4df189oLKnC5fSwqPfgyP3hooxujYzAu3fDVmz ...
2
votes
2answers
781 views

What options do I have to avoid API gap limit? I am using xpub keys

I am building a app, and the design is, the "welcome page" has a qr code allowing the user to purchase a single-use of the app. Blockchain.info conveniently allows you to use xpub to generate ...
2
votes
1answer
102 views

XPub to YPub Converter (python) - Last digits wrong

The code below is generating an YPub from XPub with the last 6 digits wrong. How can I verify what's happening and fix this error? e.g.: It should be ...
2
votes
1answer
334 views

Electrum 2FA Wallet - Deriving the Third XPub

I'm working on a project which requires me to take an Electrum mnemonic, determine its type and derive the corresponding addresses for that wallet. I found lots of information on how to determine the ...
2
votes
0answers
137 views

What are segwit extended key prefix bytes for regtest?

I need the HD version bytes for equivalent of ypub, zpub, Ypub, Zpub but on the regtest network. I also need Ypub on testnet. All the rest I can find in slip132, but it is incomplete. thanks.
1
vote
3answers
302 views

Best way to find list of UTXO related to xpub

Apparently the way to find a list of UTXO related to an xpub is to derive all addresses from the master private key and query a node with each and every one of them. It is possible to generate ...
1
vote
1answer
264 views

What's the difference between xpub and bpub?

I've seen extended public keys such as the one below xpub661MyMwAqRbcFLCsW67CH9AgprkK2MbeLbmdMiBRWb1Wamm6GjGhTFQChvPmwQGQh78MMd8Eu7CLJ7FEuwhsomD66XC74VnfgHdEx1NFSKL But now I've seen a bpub ...
1
vote
2answers
64 views

Is multisig wallet simply a combination of many singlesig wallets?

I’m trying to create a multisig wallet for the first time. My pre-understanding is that multisig wallet is simply a combination of many singlesig address. So for example I have 3 existing singlesig ...
1
vote
1answer
700 views

Create multisignature wallet from xpub keys in bitcoin core

I can create Multisignature wallet electrum with 2 xpub keys. How can I create bitcoin core to do that? Standart use; Add a multisig address from 2 addresses bitcoin-cli addmultisigaddress 2 "[\"...
1
vote
1answer
163 views

How to convert xpub ypub and zpub in Ruby

I'm looking to convert a Bitcoin extended public key from one format to another in Ruby. In JS I've found https://github.com/jlopp/xpub-converter/blob/master/js/xpubConvert.js and Python https://...
1
vote
1answer
164 views

How to calculate the checksum of an extended public key?

Very difficult to find definitive info on this. From what I can find on google and looking at BIP32 it seems like the process to calculate a checksum for an extended key is to decode the base58 ...
1
vote
1answer
2k views

How do I use the XPub to generate the Public addresses

Given the XPub and an address, can I write an algorithm to say whether or not that public key was derived from that XPub and consequently belongs to the same user?
1
vote
1answer
342 views

Importing an arbitrarily created Master Private key to Bitcoin Core

I've created a Master Private key (xpriv) on an airgapped machine along with an Master Public key (xpub). Now I'm running Bitcoind on my Ubuntu server and I want to use my newly created keys on a new ...
1
vote
1answer
319 views

I provided my XPUB and YPUB to Trezor support - should I continue to use my Trezor?

I have a Trezor. In attempting to find out why I have have not received Bitcoin Gold coins Trezor Support asked for my XPUB - I gave it to them along with the YPUB too. Is this safe? Should I move ...
1
vote
1answer
67 views

Derive Segwit Addresses From xPub or zPub using PYTHON

Summary I'm pulling my hair out trying to understand a couple of concepts. I would like to use a Segwit wallet in my Ledger Nano S to derive unhardened(?) child public keys (and thus segwit addresses) ...
1
vote
1answer
706 views

I need help with an bitcoin open book exam

I am completely new to bitcoin and by extension cryptocurrency, but I am slowly getting my head around certain things. My problem is I am currently doing an open book exam and I am free to use any ...
1
vote
2answers
148 views

How to use UTXO of xpub derived addresses?

I'm new in Bitcoin, this is something I'm confused with. If we are deriving children, i.e. public keys, from xpub, without private keys, for the purpose of receiving outputs, how are we able to spend ...
1
vote
1answer
397 views

Hardened address generation with BIP44 watch-only wallet with xpub

I am puzzled by the hardened key derivation from a watch-only BIP44 wallet. Let me first explain what I am trying to do. I am implementing a 2-of-3 multisig scheme I am using Bcoin node and wallet ...
1
vote
1answer
534 views

Derive next HD segwit address from xpub/ypub

I've been using the smartbit api to derive the next receiving address for a while now. However it only works for Legacy addresses and not Segwit addresses. I now have a Ledger Nano s and need a ...
1
vote
1answer
515 views

Xpub for HD wallets

I have a cold storage in my one of the computers.Also in my project server I have run bitcoin-cli. So I want to remove priv key from here and set the public key from cold storage. I read that it will ...
1
vote
1answer
1k views

Can you retrieve funds send to a legacy address created with a Segwit extended private key imported in Mycelium from a Ledger Nano S?

I imported a segwit xpub6-key in Mycelium as a watch only address. It only shows address starting with 1 instead of 3, which makes sense. I retrieved a small amount on the legacy address and it shows ...
1
vote
2answers
1k views

Converted Segwit address (YPUB) to Legacy (XPUB), but balances differ

I'm trying to convert a Segwit YPUB address I got from a Ledger Wallet to a Legacy XPUB address in order to query the transactions from the wallet. I've yet to find a reliable API that supports YPUB ...
1
vote
0answers
19 views

Java bip32 library

I'm looking for java library that will cover bip32 address derivation (xpub to P2PKH, P2SH, P2WSH, P2WPKH, P2SH-P2WPKH). There seem to be a lot of libraries covering P2PKH, but not much else (like ...
1
vote
0answers
34 views

P2SH address as a product of public keys

Assuming the multisig 2 of 3, if I do have extended public keys (xpub) for all 3 cosigners (with proper derivations), can I somewhat get the result address (P2SH)? How to calculate the "script&...
1
vote
1answer
56 views

Libbitcoin How to generate addresses on demand from xpub?

Well, I am really new to this. Just installed libbitcoin and I am reading trough the wiki and everything. Could someone really quick hint me how to generate addresses whenever I want from xpub that ...
1
vote
1answer
375 views

HD Wallets, XPUB and child private key leaks

So some generalisations on xpubs and current wallet providers. Ledger and Trezor wallets can create xpubs which can show all transactions of a wallet When a passphrase is added, this counts as a new ...
1
vote
1answer
193 views

How to generate btc addresses from XPUB?

I have an xpub key and I'd like to generate the sequence of btc addresses in PHP based on the index. Is there a way to do that?
1
vote
1answer
55 views

How to actually handle the xPub gap limit when receiving Bitcoin deposits?

I've read the other questions involving this, including How to solve Blockchain 20 address gap-limit problem? and Blockchain gap limit which don't actually remedy the issue in a practical sense, only ...
1
vote
1answer
33 views

How to know e-Wallet with xpub

How can I know what's e-wallet name provide the wallet? When I know xpub and xprv and mnemonic When I get mnemonic (12 words) and get xpub I can get balance with blockchain API But how can I know ...
0
votes
1answer
383 views

What is the typical size for an extended public key?

What is the typical bytesize range for an extended public key? An extended private key?
0
votes
1answer
166 views

Best script/pseudocode to convert xpriv to xpub?

I'm looking for a script/pseudocode/utility (preferably, code in javascript/c++ or a secure, verified and open-source rpc client) that can convert a given xpriv to xpub. Only one I've found (but not ...
0
votes
3answers
345 views

Is there a simple python script for xpub generation from private key

I need a python script to verify, in an air gapped system, that my 24-word (or 12-word) mnemonic seed indeed generates the xpub that my wallet is showing me. Is there a simple script that does that, ...
0
votes
1answer
46 views

How exactly can hardened keys work?? (HD Wallets!)

After reading Chptr 5, Wallets, from the Bitcoin Book, I have some questions: So I understand that the leak of an xpub+child priv key = compromised wallet. 1)How compromised is the wallet? Just from ...
0
votes
2answers
944 views

How to see the entire history of my Ledger Nano S?

I followed the instructions from this Reddit post on how to find my xpub address and tapped the wrench icon button and then "Detailed logs" in Ledger Live. The problem is that this xpub value works ...
0
votes
1answer
503 views

How to import an extended public key into bitcoin core 0.16

I exported an xpub key from a HW wallet and want to import it into my own node to keep track of changes to the balance. My node is running satoshi 0.16.1 Can someone help me find the right syntax for ...
0
votes
2answers
1k views

generate wallet addresses from extended public key

i am trying to generate addresses from Extended Public Key using bitcoinj but can't figure out, how can i possibly do this. i need those addresses for watch-only wallet, those addresses were ...
0
votes
1answer
47 views

Could be possible to get the Xpub from a Bitcoin Core wallet using RPC commands?

I know in the Bitcoin Core wallet there is no easy way to extract the xpub from a wallet, but maybe with the latest changes that have been made to the core (such as the exit descriptors), there are ...
0
votes
1answer
104 views

What's going to happen if someone has access to my Bip32 root key?

Can my bitcoin get stolen if someone else has access to my Bip32 root key?
0
votes
1answer
105 views

How to generate transaction history from all addresses that are part of common xpub/ypub without having the xpub/ypub?

I have 20 addresses generated which are part of a common xpub/ypub. I want to create a combined transaction history of all addresses similar to that of how trezor has the export CSV function. I ...