Questions tagged [xpub]

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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 "[\"...
Saim Neftci's user avatar
6 votes
2 answers
761 views

XPRIV/XPUB type for P2TR

As far as I understand, there is a standard that describes what address types an extended private key or extended public key is intended to derive and it works as such: xpriv/xpub => Legacy ...
Dalit Sairio's user avatar
6 votes
1 answer
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 ...
arshbot's user avatar
  • 1,740
2 votes
1 answer
257 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 ...
le0's user avatar
  • 187
2 votes
1 answer
2k 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 ...
Letatcest's user avatar
2 votes
1 answer
315 views

Need Help Deriving Extended Private Key from Bitcoin Root Extended Public Key and Non-Hardened Extended Private Key

I am currently working on a challenge that involves deriving a non-hardened extended private key for a specific search path in Bitcoin. The challenge provides the following information: Bitcoin root ...
Ankit Tiwari's user avatar
2 votes
2 answers
894 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 ...
patrick's user avatar
  • 233
1 vote
3 answers
1k 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 ...
RooSoft's user avatar
  • 147
1 vote
1 answer
246 views

Xpriv can be calculated from the xpub + child private key?

I heard Michael Flaxman say that if an attacker obtains your xpub key as well as any one of your child private keys, they can calculate your master private key? Why is this not a huge deal? Where are ...
chaulmianmints's user avatar
1 vote
1 answer
472 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 ...
decentralized.b's user avatar
1 vote
1 answer
347 views

Does Ledger Nano S Have an xPub or a zPub for Bitcoin wallets?

{ "xpub": "tpub-big-long-key-that-starts-with-tpub", "index": 1, "freshAddressPath": "84'/1'/1'/0/0", "id": "libcore:1:...
mike-a's user avatar
  • 55
1 vote
1 answer
519 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 ...
Coup de Grace's user avatar
0 votes
2 answers
2k 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 ...
Zombie's user avatar
  • 548
0 votes
1 answer
635 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 ...
Hare Brained Brian's user avatar