Unanswered Questions
219 questions with no upvoted or accepted answers
4
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1
answer
1k
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Generate addresses from Trezor's xPub using Python
I am trying to generate BIP32 HD addresses from my Trezors xPub key.
I keep getting errors with most of the libs our there. What am I missing?
pywallet:
from pywallet import wallet
xpub = '...
4
votes
0
answers
229
views
How does schnorr signature construct multisig functionality?
How does the multiparty schnorr signature work and enable multisig
functionality in Bitcoin?
What are its limitations? Can we construct any m of n signature?
Is there anyway to hide the signers among ...
4
votes
0
answers
675
views
Bitcoinj: How to fix error "You should use Context.propagate() or a ContextPropagatingThreadFactory"
I'm using bitcoinj from a Scala application... and when I start it, I always get the following errors:
[error] o.b.c.Context - Performing thread fixup: you are accessing bitcoinj via a thread that ...
3
votes
0
answers
126
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What is the difference between singlesig and multisig xpubs?
When exporting the xpub from my SeedSigner, I'm asked whether to export the "singlesig xpub" or "multisig xpub." I understand the use cases for each but from a technical standpoint,...
3
votes
0
answers
86
views
listdescriptors true fails after importing a 2-of-3 multisig descriptor (prv, pub, pub)
By deafult, in a newly created descriptor wallet that is not watch-only and not empty, listdescriptors true works and gives output.
However, here is a scenario that breaks it:
Get a new address in ...
3
votes
0
answers
296
views
Derivation path for brute forcing "25th word" on a multisig wallet
So I added a 25th word to my seed, forgot it, and am (after 6 months of on and off guessing) relegated to brute force (3rdIteration/btcrecover).
Succinct question: what derivation path should I ...
3
votes
1
answer
59
views
How to use bitcoin multisig to prioritize one of the parties?
Normally when you use OP_CHECKMULTISIG you're basically setting up something like x-of-y, where any x of the y key holders can carry out a transaction.
I want to know, if you can repurpose this ...
3
votes
0
answers
339
views
Is it possible to use Bitcoin-core for multisig? Can it handle change addresses?
I have tried to import three xpub in a watch-only wallet as keypool with importmulti and a multisig output descriptor and to fill the first address with some BTCs. When I try to spend the newly ...
3
votes
0
answers
466
views
Electrum Seed Purpose for MultiSig Wallet
I'm curious as to what exactly is protected by the seed that Electrum generates for a multisig wallet. My knowledge of the protocol implementation is rather basic, so please correct me where I'm wrong ...
3
votes
0
answers
742
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Can I quickly check the cofactor of secp256k1 is 1
I was wondering if there was a quick way to check that the group underlying the elliptic curve secp256k1 was indeed cyclic with the usual point G a generator. I am given the prime number underlying ...
3
votes
0
answers
158
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Does a bitcoinj SPV node forward transactions for itself?
The bitcoinj library offers a rather convenient WalletAppKit class, which I'd like to accept payments from customers. In order to facilitate the payments I'd offer the customers to send the ...
3
votes
0
answers
257
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Bitcoin-qt database for BitcoinJ downloadBlockChain()
I am using bitcoinJ to develop a bitcoin based payment module for my project. I have the complete block chain downloaded/in sync with the network on the bitcoin-qt client.
Is there a way I can use ...
3
votes
2
answers
815
views
How to sign a transaction using BitcoinJ
I am having problem signing the transaction using BitcoinJ library without the Wallet instance, I only have the Transaction class instance and the ECKey in order to sign the transaction.
Is there a ...
2
votes
0
answers
15
views
Does BIP86 not use a unique prefix for extended keys?
Do BIP86 extended keys not use a unique prefix?
For example:
BIP44 = xprv/xpub
BIP49 = yprv/ypub
BIP84 = zprv/zpub
BIP 86 = xprv/xpub?
In other words, do BIP86 extended keys share the same ...
2
votes
0
answers
58
views
Using BIP32 derivations, can all seeds theoretically produce all public keys?
I was interested in how many possible combinations of BIP 32 derivation paths exist, which could result in a public key derived from a seed. While some people colloquially call it "unlimited,&...