Questions tagged [multi-signature]

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

62 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
7
votes
1answer
290 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
votes
0answers
174 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
1answer
113 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
votes
0answers
429 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
votes
0answers
65 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
81 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
votes
0answers
215 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
61 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
490 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
votes
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
votes
0answers
74 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
votes
0answers
551 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
votes
0answers
120 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
26 views

Is there any statistical evidence that 2 of 3 wallets are indeed the most common one?

I read the following statement: 2 of 3 wallets are the most common multi-signature wallets created. In this case, the wallet requires three signatures, but only two are needed to authorize a ...
1
vote
0answers
28 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
vote
1answer
90 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
vote
0answers
45 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
vote
0answers
54 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
vote
0answers
61 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: ...
1
vote
0answers
56 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
513 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
vote
0answers
54 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 ...
1
vote
0answers
58 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
vote
0answers
61 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
vote
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 ...
1
vote
0answers
62 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, ...
1
vote
0answers
96 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
vote
0answers
637 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
vote
0answers
288 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
vote
0answers
380 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
vote
0answers
468 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
vote
0answers
81 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 ...
1
vote
0answers
95 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....
1
vote
0answers
392 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 ...
1
vote
0answers
77 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 ...
1
vote
0answers
200 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
votes
0answers
31 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
64 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
votes
1answer
50 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
votes
0answers
19 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 ...
0
votes
0answers
24 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
43 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 ...
0
votes
0answers
74 views

TX decode failed. Make sure the tx has at least one input. (code -22)

I am getting an error when trying to broadcast a transaction that was signed in two different wallets with walletprocesspsbt: Created the transaction as mentioned in Sign PSBT for 2 of 3 multisig ...
0
votes
0answers
25 views

Can I use coldcard wallet to multisig between it and another wallet?

I want to use coldcard wallet + another device, possibly a smartphone, for multisignature. Ideally I'd like to use Coldcard + Bitpay. I've found tutorials on coldcard multisig: https://www.youtube.com/...
0
votes
1answer
55 views

Difference between createmultisig and addmultisigaddress on v 0.20.0?

What is difference between createmultisig and addmultisigaddress? I ran 2 methods for 2 same bitcoin address on bitcoin-cli but gives different addresses as multisig to me. the results are as follows: ...
0
votes
0answers
26 views

Sign Multisignature Transaction with only 1 of the needed keys using BitcoinJ?

If I have an unsigned Raw Transaction whose inputs are from a multisignature wallet, can I sign the transaction with only of the N needed keys and having the output as raw transaction again using ...
0
votes
0answers
89 views

How to sign a transaction and also get the signature part from it using electrum console?

How do I sign a transaction with following things: Unsigned Tx: ...
0
votes
0answers
68 views

How to import multisig private keys

I've been trying to import my multisig paper wallet to Bitcoin Core. I am in possession of the private keys and the redeem script. The private keys are in uncompressed WIF format (i.e. start with a '5'...
0
votes
1answer
90 views

How to use Multisig feature on Bitcoin Core RPC in an online exchange?

I've craeted a small online exchange based on Bitcoin Core. The features in this application are: User send request to get a new address, and the Bitcoin Core generate a new one with defined ...
0
votes
0answers
40 views

Bitcoin multisignature addresses

Suppose we have a multisignature address "abc" with 100 coins in bitcoin regtest network, I want to that 100 coins in 10 slots that is i want spend 10 coins at a particular interval. I tried the ...