Questions tagged [multi-signature]

Multi-signature addresses require m-of-n signatures to authorize spending funds sent to them.

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7
votes
1answer
383 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 ...
4
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0answers
183 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
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1answer
191 views

Electrum: display redeem script of a P2SH utxo

I use Electrum with a multisig wallet. I would like to figure out how to prove ownership of a "coin". I understand that I need to share the whole redeem script so that it's hash can be ...
3
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0answers
432 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 ...
2
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0answers
31 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 ...
2
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0answers
100 views

Recovering 2 of 2 multisig HD Wallet with bip38 encrypted private key

I have been trying to figure out if it is possible to restore my wallet with the current information I have. The wallet is a 2 of 2 multisignature HD wallet The first key is Bip38 and requires a ...
2
votes
1answer
91 views

Check if multiple signatures match a specifc public key

Suppose you have a company which has three main leaders called A, B and C also the company have 5 shareholders called S1 to S5. The decision rule for spending any coin from company's address is to ...
2
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0answers
244 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 ...
2
votes
1answer
64 views

How do bonds in Secure Multi‐Party Lotteries work as described in Bitcoin and Cryptocurrency Technologies book

I have understood the details of it but I have a question related to claiming the bond. We have two parties Alice and Bob and suppose the bond that Alice signs is now if Alice reveals her value X ...
2
votes
1answer
507 views

How can I recover last word of BIP-32/39 mnemonic copay second signature multisig wallet

I've got a multisig 2of2 wallet in copay. I've one wallet correct but have lost second wallet and only have 11 of the 12 words of the seed.I'm pretty sure I miss the last one. I've got some of the ...
2
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0answers
105 views

Using the bitcoind, can I query if funds have been sent to a multisig address?

I would like to query whether funds have been sent to a multi-sig address. Using the daemon: the address is valid, but listunspent and getreceivedbyaddress don't show the multisig address. I can see ...
2
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0answers
76 views

Bitcoin contracts with stickK.com functionality

Does a BTC service/application allow me to set a nTimeLock transaction that can be interrupted by a single predetermined 3rd party before the transaction has been made public? If a service like this ...
2
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0answers
552 views

What JSON RPC commands are suitable for a multi-tenant wallet service?

I'm looking at the JSON-RPC commands available in the QT client so I can create a multi-tenant wallet service on top of it. In other words, people would sign up for my site and have the ability to ...
2
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0answers
121 views

What are the preferred UI images for Bitcoin Address & private key and multi-signature key?

How should I visually distinguish between the different types of keys available for the end user? So far the common keys I've come across are Private key (not to be shared) Bitcoin address (to be ...
1
vote
1answer
48 views

Can Schnorr aggregate signatures be nested inside other Schnorr aggregate signatures?

The way I've understood Schnorr signatures is that multiple parties can combine their signatures into a one shared signature, thus obfuscating the number of participants involved in the signature ...
1
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0answers
59 views

How do you sign an unsigned transaction using Electrum in a multisig setup?

I am experimenting with multisig in testNet between Electrum and Caravan by Unchained Capital. I created a 2-of-2 multisig in Electrum with BIP 39 seeds. I then created a watch-only wallet in Caravan ...
1
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1answer
105 views

Can't sign using Trezor T derived multisig wallet using Electrum | Invalid script_type

I created a P2WSH multisig wallet using Electrum 4.0.9 using a single Trezor T, to which I sent a large amount of BTC. Electrum allowed me to set up the wallet using the same device when I used two ...
1
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0answers
24 views

Procedure to recover BTC stuck in 2/2 Multisig

I opened a 2M Sat Channel and my peer should send me back 1M Sats Onchain, as I have pushed half. Now unfortunately, I’ve sent my peer the address of the 2/2 Multisig of the funding TX and not the ...
1
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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
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1answer
118 views

Is this scheme for multisig audit of Trezor + Coldcard ok?

My plan is to make a multisig between coldcard and trezor. I want to audit and verify that I indeed own the 2 keys of these wallets, using a raspberry pi zero (no wifi/bluetooth by definition) on a ...
1
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0answers
93 views

OP_CHECKMULTISIG Signature must be zero for failed CHECK(MULTI)SIG operation

I am trying to spend a P2SH multi-signature output which I have created with rust-bitcoin as follows: let builder = Builder::new() .push_opcode(opcodes::all::OP_PUSHNUM_2) .push_key(&...
1
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0answers
63 views

BTC sent to multisig address, but no info about this in bitcoin core (listsinceblock, getwalletinfo, listunspent)

I sent BTCs (testnet) to multisig address: address: 2N8yzozJh1DFgrnND7TbSbuSQ1NPA8byQDu transaction: 2453fe904b74acbbf541f98d2d5a1d7a509457a3df10bf38d0c3cb9326734dcd But my bitcoin core does not ...
1
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0answers
62 views

Output has an "Unknown" status?

Looking at transaction https://blockstream.info/tx/c362fe7f8cb94b363c0c7cd5a0f82cf0dfa7733ab8a3b90df3eb9f0bff912148 some outputs are having type: nonstandard. There are 2 questions related to it: ...
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0answers
61 views

How to get addresses from a transaction's vin?

How can i decode addresses from the following transaction's vin. Transaction: https://blockchair.com/bitcoin/transaction/ed8286d06f6df2269e8481b37bbc532c11d80bd2d1b155c920a0742daf3185b2 There are ...
1
vote
1answer
583 views

Is it possible to use Electrum to create a multisig wallet with a trezor and an airgapped coldcard?

I set up a 2-of-3 multisig using Electrum, a Trezor, and a Coldcard. During testing, I ran into issues using the Coldcard to sign. My approach: (On Electrum) File -> New/Restore -> Multi-signature ...
1
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0answers
57 views

How to implement 2/2 multi-signature transactions with bitcoinj

I am using bitcoinj to implement a 2/2 multi-signature transaction. Now I want to use bitcoinj to generate a 2/2 multi-signature address and its corresponding Redeem Script through the public keys of ...
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0answers
74 views

Is possible extract the original script P2MS from the transaction locked with the P2SH address?

This is a stupid question because if the P2SH contains the hash160 (and the hash160 contains the sha256) of the P2MS doesn't possible return to the original hex P2MS. So, but for verifying the P2SH I ...
1
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0answers
66 views

What would UTXO consolidation look like in the public ledger with Schnorr signatures?

I am excited about the privacy and optimisations involved with moving from ECDSA to Schnorr signatures. One of the privacy improvements, as I understand it, is that you can aggregate signatures so ...
1
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0answers
85 views

How to implement Lightning Network in to a cryptocurrency exchange

A highly potent use-case for the lightning network are the millions of transactions that occur on a daily basis. There's still a good chance of data breach and hacks due to centralization. The ...
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0answers
64 views

Recovering deposit from Coinbase Multisig Account

I was one of the ones who never received the email about Coinbase discontinuing service of their Multisig Accounts. I tried to use the tool to retrieve my funds and it is stuck on verifying amounts, ...
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0answers
102 views

Why is SegWit disabled and old address gone when recovering an Armory paper wallet?

I wanted to make absolutely sure I could recover my Armory wallet with M of N recovery keys. So instead of doing just a test, I deleted the wallet and restored it. But now Segwit for getting receiving ...
1
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0answers
646 views

Creating a multi-sig wallet with bitcoind

Our server has bitcoind on it and is running on the test network. I want to make the wallet multi-signature so no one in our company can withdraw any bitcoin from our server without at least 3 ...
1
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0answers
293 views

How to monitor 2of3 Coinbase Vault wallet using xpub

I created a 2of3 wallet on Coinbase. I have 3 different xpub. I tried all 3 xpub on goochain.net but in all appear 0 balance. But I have 2 btc. How to monitor the 2of3 of Coinbase using xpub?
1
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0answers
387 views

How to create a partial signed multisig transaction with pybitcointools (Electrum)

Looking to create a partial signed transaction with pybitcointools that is recognized and accepted by Electrum GUI client. I have tried to do so for a 2 out of 2 multisig transactions, but so far ...
1
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0answers
475 views

bitcoind importaddress balance

I am trying to do some tests using multisig transactions without importing the private key in bitcoind (watch only addresses). Bitcoind runs in regtest mode. These are the steps I have done: ...
1
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0answers
82 views

Pluggable Signers for Married Wallet

I would like to start a Wallet Protection Service, but simply add myself as a signatory to wallets using the Married Wallets standard. https://groups.google.com/forum/#!topic/bitcoinj/Uxl-z40OLuQ I ...
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0answers
97 views

signing colored assets to identify worthwhile assets

With colored coin and similar solutions, anyone can create an asset. Using counterparty as an example, this gets out of control very quickly with no way to determine "good" assets easily (http://www....
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0answers
396 views

Decentralised escrow / distributed private key generation

Issue Hi As many others i am curious in addressing distributed escrow problem (not just for bitcoin). As it stands now there are no decentralised escrows. All escrow services are based on trust in ...
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0answers
78 views

How can I add recipient on bitcoind CLI

I know I can add recipients to a transaction on bitcoin-qt and I am looking for a similar way to do it on bitcoind CLI on linux and in bash script. I tried using createrawtransaction and multi-sig ...
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0answers
202 views

How do I implement a blind multisig protocol?

I'd like to implement a 2-of-3 multisig protocol such that: Three parties generate private keys The private keys are never physically combined on one system - each private key never leaves its system ...
0
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0answers
15 views

How to import YetiCold.com MultiSig Wallet into Electrum (watch only)

I created a multisig wallet using the instructions at https://yeticold.com/ (Level 3). It's supposed to only use Bitcoin Core and a small shim of GUI (https://github.com/JWWeatherman/yeticold/blob/...
0
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0answers
30 views

Can you explain how to set up a basic M-of-N multisig between multiple people using descriptor wallets and PSBTs, as well as a signing flow?

Can you explain how to set up a basic M-of-N multisig between multiple people using descriptor wallets and PSBTs, as well as a signing flow?
0
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0answers
37 views

I can't broadcast raw transaction with return false

I'm going to transfer funds from the multisig address. Multisig address is 2/3 format. The two signature is done successfully but sendrawtransaction function don't be implemented. Help me about it! My ...
0
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0answers
42 views

delayed multisig tx with blocking feature

Is there a way to do a 1of3 multisig scheme were the tx is delayed for some time and any of the other 2 parties can do something to cancel the tx? so it would be like a 3of3 multisig but with a death ...
0
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0answers
35 views

Consolidating BTC across multiple address but same account

Say a user generates three "linked" addresses (e.g. m/44'/0'/0'/0/0, m/44'/0'/0'/0/1, m/44'/0'/0'/0/2) using an HDWallet and receives 1 BTC to each unique address. For each of the addresses ...
0
votes
1answer
84 views

Multisig Setup - Pruned Bitcoin Core on Computer vs. Dedicated Hardware

Are there security implications of running a pruned Bitcoin Core node on a personal computer vs. a full Bitcoin Core node on a dedicated hardware device (i.e. Raspberry Pie with Umbrel, myNode, nodl, ...
0
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1answer
93 views

Verify that WIF corresponds with bip32 extended public key

I have a bip38 encrypted private key that I lost the password to, and I have its corresponding extended public key. I want to brute force passwords as I have an idea of what it might be, but I need to ...
0
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0answers
22 views

Multisig wallet issue - pair nodes (daemons) wallet.dat and pvt keys

Intro: I am having an issue of accessing multisig wallet. due to previous situation I have mixed up private keys and wallet.dat files Multisig is 2 out of 3 Multisig works this way: Synchronize ...
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0answers
29 views

Can I do multisig between coldcard and electrum

Can I do a 2-of-2 scheme using one coldcard and one software generated wallet in electrum or even another wallet?
0
votes
2answers
52 views

Multisig synchronization

I understand what the multisig wallets are but I need help understanding what exactly this script does: https://gist.github.com/gavinandresen/3882537 If I understand correctly, bitcoinds are bitcoin ...