Questions tagged [multi-signature]
Multi-signature addresses require m-of-n signatures to authorize spending funds sent to them.
362
questions
0
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0answers
15 views
How do I add a multisig wallet to a site, so that each user can top up their account and buy things
I want to add a multisig wallet onto my site, the idea being users can top up BTC and spend it on the site to buy things like iPhones or MacBooks we have for sale, thanks
2
votes
1answer
19 views
What is an extended fingerprint (xfp) and how does it differ from an xpub?
Coldcard requires the xfps of all of its cosigners to be able to verify and sign multisig transactions. Providing the coldcard with just the xpubs is not enough, which I believe to mean that the xfp ...
3
votes
0answers
24 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 ...
0
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1answer
32 views
Query Reagrding DER Signature
(For Bitcoin TestNet Only)
I am working on Signed Transaction which consists More than One Inputs and More than One Outputs (Unsigned HEX Data).
after that i have generated two DER Signature of both ...
2
votes
1answer
35 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 ...
1
vote
1answer
72 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
30 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 ...
0
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1answer
37 views
Help signing a P2WSH Multisig
I'm trying to construct a transaction in regtest mode that spends from a P2WSH 2-of-2 multisig.
Here is the funding transaction for 5 btc. It also contains a change output for 5 btc.
...
1
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0answers
63 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 ...
0
votes
1answer
58 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 ...
0
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1answer
22 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
...
2
votes
1answer
54 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 ...
1
vote
0answers
29 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
1answer
68 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 ...
1
vote
1answer
74 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 ...
1
vote
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?
0
votes
1answer
82 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 ...
0
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0answers
35 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 ...
1
vote
1answer
39 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 ...
0
votes
1answer
26 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 ...
1
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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 ...
3
votes
1answer
269 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
votes
2answers
66 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 ...
1
vote
1answer
94 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:
...
1
vote
1answer
36 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
votes
1answer
29 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 ...
0
votes
1answer
29 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:
...
0
votes
1answer
54 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>
...
1
vote
1answer
215 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 ...
0
votes
1answer
58 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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0answers
26 views
Whats the difference between funding to mutisig address and general address start with '1'?
I build raw transaction: '...
0
votes
2answers
220 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/...
0
votes
0answers
36 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(...
1
vote
1answer
64 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 ...
2
votes
2answers
230 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?
0
votes
1answer
43 views
Can payment from a P2SH address provide change to itself?
In the gavinandresen Multisig Test test, could change have been redirected to the originating 3QJmV3qfvL9SuYo34YihAf3sRCW3qSinyC P2SH address for the multisig payments?
In Mastering Bitcoin by ...
0
votes
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: ...
0
votes
1answer
68 views
How to verify signature of multisig transaction
How to verify signature of multisig transaction (2-2) after it being signed by first owner? How can I understand if that owner used wrong private key => wrong signature?
0
votes
1answer
114 views
Are addresses which start with 3 multisig addresses?
I've just downloaded bitcoin-core 0.17.1 and it seems all the new receiving addresses I create start with 3 instead of 1.
I always thought addresses which start with 3 were multisig addresses. ...
0
votes
1answer
189 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 ...
5
votes
1answer
135 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 ...
0
votes
1answer
152 views
What can 1 master public key in a multisig reveal?
Assume you have the following situation:
You are going to create a new multisig wallet with Electrum.
2 signatures are from old hardware wallets and 1 signature is brand new.
The new multisig will ...
0
votes
2answers
111 views
Is it possible to sign a transaction (to spend) from a multisig address using only one private key?
Let's assume there's a segwit address created with 3 different private keys.
Is there a chance that exist 1 (just one) other private key (in the universe of valid private keys) that can sign a ...
1
vote
1answer
44 views
Why is the privacy for using watch tower services increased with unpredictable commitment tx ids?
In the open channel message in BOLT 02 the following statement is written about the various basepoints.
The various _basepoint fields are used to derive unique keys as described in BOLT #3 for ...
0
votes
1answer
144 views
How do I know that my Ledger HW Wallet is using receive addresses for my wallet and not another remote wallet?
I'm a paranoid newb, I bought a hardware wallet (Ledger nanos) and have transferred funds to it. I noticed that it generates P2SH addresses, so how could I know if the script hashed is spendable by my ...
0
votes
1answer
130 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 ...
0
votes
1answer
22 views
Does Multi_Signature transactions enable trust-less payments? (Edited)
This paper: (Link to paper) introduces a blockchain based platform entitled PriWatt claiming (in Section 2.5 MultiSignatures, page 3):
"PriWatt provides the means to form agreements or contracts ...
1
vote
1answer
107 views
Errors when building/sending multisig transactions
Going by the example here: https://bitcoinj.github.io/working-with-contracts
I believe I've done everything correctly. Yet my program fails either to propagate correctly or because of a tx error and ...
1
vote
0answers
40 views
Determining the byte size of multisig transaction beforehand knowing the details of the transaction [duplicate]
If I know the m of n values of the multisig, the # of inputs (all of which are from the multisig and require m signatures) and outputs and the redeem script, how can I determine the size of the ...
3
votes
2answers
382 views
Developer example for p2sh-multisig sees sendrawtransaction consistently return the “non-mandatory-script-verify-flag” error [Solved]
Overview
The following transaction: ...
