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Unanswered Questions

150 questions with no upvoted or accepted answers
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 ...
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
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
1 answer
134 views

How much on-chain activity is to and from exchanges?

Are there any data services which provide metrics that show how much of the transactions on the Bitcoin blockchain are to and from exchanges?
3 votes
4 answers
4k views

Are there any opensource PHP cryptocurrency exchange/marketplace

As the title suggest, are there any opensource PHP cryptocurrency exchange/marketplace. Most of the ones I found does not seem to work or are abandoned.
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
719 views

How to get BTCChina full Orderbook (FIX or alt API)

I have worked through BTCChina's FIX APi (using their java example). Creating a subscription request message such as: public static Message marketDataIncrementalRequest(String symbol) { quickfix....
3 votes
0 answers
87 views

How did short positions work on Bitcoinica?

I'm trying to find information on CFDs and exactly how Zhou Tong utilized them to short, but am coming up dry.
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
38 views

Scripting an escrow transaction where the arbitrator ALWAYS gets paid

I am trying to make an Escrow and Arbitration where the arbitrator always gets paid say 5% of the transaction. As in the famous escrow example here: Charlie-the-customer wants to buy a product from ...
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
72 views

Create transaction with inputs of two different HD wallets

Is it possible to create one Bitcoin transaction with input UTXOs of two different HD-Wallets? E.g. using an UTXO of a Software Wallet and one UTXO of an Hardware Wallet. Of course I think it is ...

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