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Questions tagged [multi-signature]

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

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1answer
115 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
26 views

Getting source address of a Tx message from it's signature script

I have a simple bitcoin packet which contains TX message. in a TX message, one of it's Transaction input hex data was like this: ...
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2answers
142 views

Why did repeated “R” values occur in Bitcoin transactions before?

Please explain why earlier the repeated values of "R" occurred in Bitcoin transactions. For example, this transaction has a repetition of the value "R": https://www.blockchain.com/btc/tx/...
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1answer
54 views

Not able to Spend 2-2 MultiSig UTXO

I created 2-2 Multisig Account 2NECouPA4UVNMzX1K7kekc4W3VudDhMdFkM from msrFNhKwLu9GrT3hFoizz21xEwJ61xMsym and n1NPFEJHBA8j63B5dgJ3aQcufA8VmrN27U, I tried spending UTXO from this account but got an ...
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1answer
14 views

How Extracting address Bitcoin to script multi signature

I want to extract the correct address from a script multi-signature. I have this real script multi-signature from this ScriptSig (tx index 1), so this is a readme script for this address OP_2 ...
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1answer
48 views

Multisig refund transaction flaw in Lightning Network talk

I was watching Tadje Dryja's talk at SF Bitcoin Devs conference on transaction malleability, which formed part of the basis behind the Lightning Network. At 17'45", I saw this example. Prior to ...
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0answers
24 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 ...
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1answer
34 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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2answers
167 views

How is subscript computed for OP_CHECKMULTISIG?

I'm trying to learn the Bitcoin protocol by implementing it, and I've got OP_CHECKSIG working (following instructions in https://en.bitcoin.it/wiki/OP_CHECKSIG), but I can't get an transaction input ...
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1answer
47 views

Error Signing P2SH-P2WSH MultiSig - “Unable to sign input, invalid stack size (possibly missing key)”

I am trying to create and spend a P2SH-P2WSH transaction using bitcoin-cli but am getting "Unable to sign input, invalid stack size (possibly missing key)" when I try to sign the Multi-Sig transaction ...
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1answer
46 views

How to sign a raw multisig transaction from an external private key

I am creating a 2-of-3 multisig wallet, where the 2 hot keys are external HSM devices. I am using Bcoin to create my transactions. After the transactions are created, I will send the raw transaction ...
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2answers
60 views

Statistics on Multisig Bitcoin Accounts by type of multisig

I am looking for statistics on Bitcoin addresses in use by number of multisig addresses. Specifically, I would like to know how many accounts exist that use 1 of 1, 1 of 2, 2 of 2, etc. Is there a ...
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1answer
53 views

Is there an equivalent to the Xpub/Zpub for multisig wallets?

When I have a typical wallet, I can give my Xpub to someone to generate addresses whenever they need. ("they" here could be an instance of BTCPAY server or some other application that I don't want to ...
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3answers
288 views

Is there a multi Sig Explorer or Stats provider?

Is there a resource where I can get the past and current number of multi sig transactions, all types?
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0answers
34 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 ...
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1answer
447 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
59 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
34 views

How does 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
32 views

BIP67 + importmulti + multisig descriptors

I'm trying to setup a Bitcoin Core watch-only wallet using importmulti and a sh(multi(m,xpub1/*,...,xpubn/*)) ranged descriptor, and then use deriveaddresses to get receiving addresses. Is it ...
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1answer
987 views

How to create raw bitcoin transaction with multisig type of output scriptPubKey

I need to send money in one transaction to 2 addresses so that any of them can spend it. In other words - I need to create same transaction as here https://www.blocktrail.com/BTC/tx/...
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1answer
378 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: ...
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1answer
142 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 ...
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1answer
173 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 ...
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1answer
152 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 ...
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1answer
302 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
25 views

Can a block have multiple coinbase transactions? Also is there a limit to the number of signatures a multi-sig transaction has or requires? [closed]

I am wondering if a block can be created with multiple coinbase transactions. The US government regulates mining pools that have control over the miner's wallets, so it would be fabulous if this could ...
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3answers
2k views

Why are m-of-n transactions not used today?

BIP 11 supports m-of-n transactions. While BIP 16 and BIP 17 are being debated and voted upon, I have to ask: why haven't there been evidence of BIP 11 used in for m-of-n transactions? All that BIP ...
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2answers
50 views

When you create a multisig address from existing addresses, do the funds move there?

If you have three addresses, lets say A, B and C and they each have 1 BTC. When you create a multisig address out of the three addresses, will it have a balance of 3 BTC or do you have to send the ...
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0answers
241 views

How do you regenerate all 2-of-2 multisig addresses from two xPrivkeys?

If I want to get the private and public keys of all transactions that have happened on my multisig wallet. How would I do that? It's a 2-of-2 multisig setup. I have an xPrivkey on my computer and an ...
3
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2answers
291 views

Can multiple people create one multisignature address, while keeping their private keys private?

Is it possible for person A, person B, and person C to create a multiple signature address without one person needing to initially know all three addresses to create that public address in the first ...
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1answer
158 views

different multisig address from the same public keys

When I use bitcoin-cli -testnet to generate a 2-of-3 address, the code: bitcoin-cli -testnet createmultisig 2 ''' [ "03b91ff254ae3bb3861e4a6c16ab356d6c52ccfd2b58bedf0dda84657dfd9d9afc", "...
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1answer
427 views

Get single xpub key from multi signature wallet

I created a multi signature wallet 2 of 3. I want to get the xpub key used to generate the addresses. As I understand all 3 public keys are used to generate the address. Is it possible to use those 3 ...
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1answer
36 views

Is it possible to recreate a multisig wallet with just 2 out of 3 private keys?

Example: Created a 2 of 3 multisig wallet in Electrum Send funds to the multisig wallet Lost the Electrum wallet Access to two of the private keys (e.g. 2 trezors) Is it possible to recreate the ...
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1answer
107 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 ...
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1answer
359 views

I'm trying to create a new kind of escrow with bitcoin, not sure if it's possible

First off, I understand that the standard way to do escrow with bitcoin is a P2SH with a 2 of 3 multisig redeem script. I'd like to try and do escrow in the following way: names of 3 parties involved:...
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1answer
118 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 ...
3
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1answer
234 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, ...
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2answers
96 views

P2WSH-MultiSig fails with documented OP_0 workaround

As per the note at Developer Guide - MultiSig and BIP147 when using OP_CHECKMULTISIG an OP_0 needs to be prefaced to the scriptSig to accommodate a bug in the original Bitcoin implementation. If the ...
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1answer
72 views

Create a 2-of-3 multisig raw transaction

I would like to create a Bitcoin transaction with a single input and a single 2-of-3 multisig output that pays 1 BTC to any 2 of the following 3 keys: ...
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1answer
35 views

Creating a multisig wallet with bcoin and receiving transactions

I am trying to create a multisig wallet from two externally generated xpubs. The process I am taking is to create two multisig wallets with the two xpubs, add each others keys as shared keys and ...
0
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1answer
28 views

Bitcoin transactions between two parties

Lets say bitcoin become a global currency which replace fiat money.. If someone (physically )is asking for bitcoins and its urgent and i don't have phone to access the network and the one whos asking ...
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1answer
47 views

How to write OP_CHECKMULTISIG for the following 1-of-2 multisig P2SH script

OP_IF OP_SHA256 <hash of secret> OP_EQUALVERIFY <pubKey of swap> OP_CHECKSIG OP_ELSE <relative locktime> OP_CHECKSEQUENCEVERIFY OP_DROP <pubKey of refund> ...
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1answer
188 views

How to calculate the size of multisig transaction?

Can you help or suggest the formula for calculation of simple multi-sig transactions? I have an issue to calculate the size of multi signature 2-2 transaction. I tried to follow this: Predict ...
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1answer
48 views

How to re-secure a multisignature wallet if private key is stolen

Here are two attack scenarios on bitcoin private keys: 1) Assume that, BitCorp has just noticed that a Mallory has just compromised one of their servers holding their Bitcoin Private keys. Luckily,...
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1answer
53 views

Are Relay Addresses Possible?

Is it possible to create an address such that different parties can spend certain portions of any output spent to that address? R: 1zaybxcrandrelayexampaddr A: 1xyzabcrandexampladdressa 97% B: ...
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0answers
32 views

Pass Multiple addresses in redeem p2sh script

I have the following code const script = this.app.env.bitcoin.script.compile([ hashOpcode, Buffer.from(secretHash, "hex"), this.app.env.bitcoin.opcodes.OP_EQUALVERIFY, Buffer.from(...
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1answer
57 views

Multisig without P2WSH in Lightning

The current Lightning implementations use P2WSH script format for multisig in the funding transaction. But it is also possible to use the CHECKMULTISIG opcode "natively", i.e., without P2WSH (see ...
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2answers
202 views

How can one see if an address is multisig?

Some addresses on this page indicate whether the address is a multisig, and what the threshold signature scheme is. How do they detect this?
9
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1answer
2k views

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 ...