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Unanswered Questions

86 questions with no answers
3 votes
0 answers
126 views

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
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 views

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 ...
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,&...
2 votes
0 answers
82 views

How to claim funds in a multisig address from a money pool psbt?

Mostly followed this guide on how to create a psbt where multiple users pool money together. Everything is done in regtest. The gist of what I did is as follows: Created 2 different descriptor ...
2 votes
0 answers
44 views

Receiving funds in multisig - is it enough to confirm the receive address on every signing device?

If I confirm the receive address displayed in my software wallet matches on EVERY signing device in my multisig setup, can I be confident that any funds sent to that address belong to an address I ...
2 votes
0 answers
358 views

Importing BIP-84 keys to Bitcoin Core or similar?

I generated a mnemonic and keys using the BIP-84 scheme and sent funds to a public address from that scheme over time. I have been using this as a paper wallet, unattached to any wallet software. I ...
2 votes
0 answers
45 views

HD wallet usage in Bitcoin & Lightning combined wallets

Is there a best practice / recommendation for a Bitcoin & Lightning combined wallet, regarding the HD wallet used in the Bitcoin wallet and the HD wallet used in the Lightning wallet? no relation,...
2 votes
0 answers
94 views

Why are coefficients a=0 and b=7 used to define the Weierstrass equation in SECp256k1?

Most of the private to public key implementations I've come across do not make use of the equation y^2=x^3+7 (the weierstrass equation defining SECp256k1). One that i often use is in the link below ...
2 votes
0 answers
63 views

Is BitCoin developer page's HD Wallet image wrong

Here is the image I copied from the https://developer.bitcoin.org/devguide/wallets.html#id9 What I understand is that M/0'/1' can derive M/0'/1'/0. M/0'/1' can't derive M/0'/1'/0'. To derive M/0'/1'/0,...
2 votes
0 answers
167 views

Linking libsecp256k1 as shared library to Bitcoin Core

I'm not sure if this question is better suited in the context of Autotools, but since it's about Bitcoin Core, I'll try to ask it here. I am trying to Compile/Link libsecp256k1 as a shared library ...
2 votes
0 answers
172 views

Is there a simpler form of BIP32-like key derivation?

I've read about BIP32 key derivation functions, and also: Any Elliptic Curve could work in the BIP32 scheme. The only property of a Curve that BIP32 relies on is that a * G + b *G = (a + b mod N) * G,...
2 votes
0 answers
39 views

Ypub test vectors missing for mainnet

Following extended key derivation scheme in BIP49 is there a publicly available test vector repository for mainnet? The test vectors in https://github.com/bitcoin/bips/blob/master/bip-0049.mediawiki#...
2 votes
0 answers
391 views

How to send & receive bitcoin using bitcoinjs-lib?

First I create HD Wallet using BIP32 using mnemonics. Now I want to generate new child addresses with private key using xpub & xpriv for every receive. Then for example, I received BTC in 2 ...

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