Questions tagged [multi-signature]

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

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4answers
2k views

What BIP32 derivation path does Electrum use for Multisig?

Same question as What BIP32 derivation path does Electrum use? but for multisig. thanks.
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1answer
20 views

Segwit transaction - Non-canonical DER signature

Error (when sending) error code: -26 error message: 64: non-mandatory-script-verify-flag (Non-canonical DER signature) Transaction ...
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1answer
33 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
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0answers
16 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 ...
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2answers
63 views

Partially Signing multisig rawtransaction returns redeemScript/witnessScript does not match scriptPubKey

I want to partially sign a rawtransactions using bitcoind through RPC but I am really stuck almost at the end of the process when I try to sign my manually created raw transaction and I spent many ...
0
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1answer
180 views

What is the difference between P2SH redeem script on Bitcoin and on Litecoin?

I am building a service that is based on multisig wallets. My current progress is so that I've implemented the multisigs for Bitcoin network and it works fine. Now I am on Litecoin and I am facing ...
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1answer
12 views

How to validate the change address in a multisig transaction?

I am using Specter Desktop to create a PSBT for a multisig transaction with some hardware wallets to sign. Part of the PSBT is a change address and I can match what the hardware wallet says to what ...
0
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1answer
39 views

Will the Bitcoin network discredit a transaction if you do a simple transfer on a multi-sig after you found the collision on that address?

Let's say you found a collision for an address on the Bitcoin network. You have its private key. Will you be able to transfer any money around or will the network prevent it or does it get verified? ...
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0answers
20 views

Multi signature encryption (multiple people can decrypt) [migrated]

I understand that multi sig transactions exist so that X of N need to sign to release a transaction. If only 1 of N is required I guess any of the recipients can spend. This made me wonder, is it ...
11
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1answer
2k views

What are the advantages of Schnorr vs ECDSA?

I understand that Schnorr signatures provide an improvement on ECDSA in that they are a fixed 64 bytes instead of the longer ECDSA sig format, however, I don't see how this is an advantage over ECDSA ...
3
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1answer
56 views

Which MuSig scheme is optimal? Classic MuSig or this new MuSig-DN scheme?

Now we have two competing MuSig schemes which is better? Classic MuSig or MuSig-DN? Which use case(s) might choose classic MuSig over MuSig-DN and vice versa?
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1answer
49 views

2-of-3 multisignature account with limitations on withdrawal

I want to create a 2 of 3 multi-signature account from where one can withdraw money only after a certain period of time. How can this be done?
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1answer
48 views

How do we know which co-signer signature is in raw hex in multisig?

I have a raw 2of3 multisig transaction. In this transaction, one co-signer already signed. The signature is for only one input. ...
3
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2answers
941 views

Understanding GreenAddress nLocktime/recovery transactions

What I understand is that Greenaddress locks a recovery transaction to be spend 90 days in the future. Whats the advantage in doing this? Why not creating a recovery transaction without nLocktime?
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1answer
29 views

Who will the first adopters of Taproot be (assuming it is activated at some stage)? What incentives are there to start using it straight away?

Adoption of SegWit by users and companies after it was activated was slow. Should we expect adoption of Taproot to be slow also (assuming it is activated at some stage)? Who will the first adopters of ...
6
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1answer
184 views

Does MuSig have the same security as 2-2 multisig?

Disclaimer: This question is of theoretical importance to me trying to educate myself better on cryptographic principles and signature schemes. I don't intend to imply that in practice schnorr ...
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2answers
32 views

Clarifications on hd multisig wallet

I need clarification on multisig hd wallets. Let's imagine we have a 2/3 multisig. The first key is generated by the user on a mobile wallet, the second is kept on a server while the third is off-line ...
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2answers
54 views

Proof of private keys ownership for multiple addresses

In a two party coinjoin consists of Mr Seller and Mr Buyer. Mr Seller has set A of sender addresses/input and set B of receiver addresses (output) Mr Buyer has set C of sender addresses/input and set ...
0
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1answer
38 views

Is the `addmultisignature` API call dependent on order of public keys in the array? Or is it lexicographically sorted?

Say Alice and Bob are part of a partnership business that accepts Bitcoin. They store all their main funds in cold storage until the end of 3 months, when they cash out and use a new address. This ...
2
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1answer
51 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 ...
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1answer
333 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 ...
2
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1answer
60 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 ...
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1answer
39 views

Does getreceivedbyaddress or listreceivedbyaddress or listunspent shows pay to pubkey and bare mutlisig transactions?

Couldn’t find the answer inside the source code. If I receive a pay to pubkey transaction to the pubkey of a 1r address, will it shows up using getreceivedbyaddress or listreceivedbyaddress or ...
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0answers
64 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: ...
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0answers
37 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 ...
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1answer
503 views

How to get sending address of MultiSig transaction?

Example hash of transaction: 70c15eb4cc3890960dbe1ae0cf13eedaeaef04d8e4820398fb4e991b23528f03 BlockExplorer shows only 1st address of two. One address is sending address and second is signing address? ...
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2answers
83 views

Question regarding MultiSig outputs

Just saw good question on Telegram: So I working on an algorithm that would download and process bitcoin blocks, specifically the transactions in them. I want to take every output address of every ...
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1answer
230 views

How are transactions invalidated by nodes when both parties are offline in a Lightning Network?

Let's imagine Alice wants to send multiple transactions to Bob. Both Alice and Bob have open channels with Carol, not with each other: Alice <-> Carol <-> Bob So Alice first sends 0.01 ...
2
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1answer
193 views

Would it be possible for miners to discriminate Lightning Network transactions?

What do transactions creating LN payment channels and resolving them look like? Are Lightning Network transactions distinguishable from other multisignature transactions? Would it be possible for ...
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1answer
59 views

Bitcoin Core private key import

I would like to import the private keys from a multisig paper wallet to Bitcoin Core. My aim is to convert the paper wallet to an electronic wallet and to be able to export the corresponding wallet....
2
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1answer
414 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 ...
0
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1answer
32 views

How to know the destination address of a multisig?

Run this command: bitcoin-cli getrawtransaction 56214420a7c4dcc4832944298d169a75e93acf9721f00656b2ee0e4d194f9970 2 You will see the first vout is a multisig as follow: { "value": 0....
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1answer
33 views

How is a multisig transaction transferred between multiple signers?

I'm trying to learn more about doing multisig transactions. The examples I've seen show the signing of the transaction with 2-of-3, or 3-of-3, where the signatures are added, essentially, at the same ...
0
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0answers
18 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'...
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1answer
478 views

What do I need to sign to produce a scriptSig signature that consumes a multisig UTXO?

I am trying to figure out how to produce a valid signed transaction to consume BTC from a multisig address. 1) First let's look into producing a signature for an UTXO associated to a regular address: ...
0
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1answer
157 views

Lightning Network transaction, how many transactions will be created

A simple Lightning Network transaction, how many transactions will be created on the main bitcoin chain? I guess is three transactions. Example: Alice create 2-to-2 multi-sig address AC Alice put ...
0
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1answer
193 views

Electrum 2of2 multisig both cosigners share the same priv key

I set up this wallet on the same machine online. Thinking that was it, it was only until i sent funds to this wallet and tried to spend them that i could only partially sign the transaction. I opened ...
0
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1answer
381 views

HD wallets and multisig

Is there any standardized way to define HD wallet accounts used to participate in multi-signature transactions? How do existing multisig wallets derive their keys from the seed it? How is Bitcoin Core ...
3
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1answer
26 views

LN Payment Channels: Can you have more than two nodes in a channel?

I can't seem to find an answer to this but apologies if this exists somewhere already. From the last paragraph of section 2.0 in the lightning network paper version 0.5.9.2, "Micropayment channels ...
0
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1answer
363 views

Restore Block.io multisig wallet in Electrum

I've exported my private keys from Block.io. They're compressed WIF keys (starting with L...). Additionally I've got the following data from Block.io: Address type: P2SH (obviously) Redeem script ...
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1answer
93 views

Old p2sh address not signing correctly on core v0.17

https://pastebin.com/kdQPkELN if anyone can see why i am getting a 16: mandatory-script-verify-flag-failed (Signature must be zero for failed CHECK(MULTI)SIG operation)failure.... It is a p2sh ...
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1answer
49 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
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1answer
179 views

Multisig: How to identify who (public key/address) has signed the transaction?

I have seen that someone had asked a similar question: Possible to check who signed the transaction in a multi-sig transaction case? But I'm currently unable to parse/read the redeem script. When I ...
0
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1answer
179 views

ScriptSig raw hex to sign raw tx

i have a p2sh address that is created using an uncompressed public key (from my ledger nano) and a compressed public key (bitcoincore wallet). It requires both signatures to send the funds. When i use ...
2
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1answer
117 views

How to use the lightning network with Electrum multisig wallet?

I want to experience the lightning network transactions with my Electrum wallet. But the lightning network is not available, and it shows the following information: "Lightning is currently ...
3
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2answers
448 views

Is it possible to do a 3-of-5 OR 1 multi-sig for backup purposes?

I'd like to create a multi-sig wallet where I can freely create transactions, but I want to give keys to trusted friends/family + a safety deposit box so that if I hit my head and forget my password, ...
0
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1answer
37 views

Address Reuse for Multisig Address

It is De facto standard that address should not be reused, and even Bitcoin officially emphasis address should not be reused. Does the same condition apply for Multi-signature address ?, If Yes apart ...
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1answer
35 views

Multi-signature with no address reuse . How coordination is done?

I would like to have both 2-of-3 multi-signature and no address reuse. For example, 3 BTC belong to multi-sig user1 (Officer),user2 (Manager), user3 (CEO) (2of3 multisig) with pubkey1,pubkey2,pubkey3. ...
3
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2answers
54 views

How does the sender know the receiver's public keys in a m-of-n transaction?

Assume that Alice is controlling an address that requires multisig to spend bitcoins. Someone wants to send Alice bitcoins and this sender needs to create a scriptPubKey as part of the output paying ...
5
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1answer
109 views

Why do the xpubs from electrum and trezor not match when creating a multisig wallet?

For a little background, I am trying to set up a 2-of-3 multisig wallet with 2 trezors and a coldcard. I am trying to verify that my setup is correct before putting any meaningful amount of money in ...

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