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Combine two p2tr addresses into one

Is it possible to combine two (or more) P2TR addresses into a single P2TR address spendable by the owner of any one of the input addresses? I.e. like a 1-of-N multisig. Something like making tapscript ...
nikicat's user avatar
  • 101
2 votes
0 answers
15 views

P2TR script-path multisig

With bitcoin-cli, I successfully spent (broadcast, was accepted by the regtest node and then mined) a tx spending two 1-of-2 script-path multisig outputs. The spent prevout descriptors were: tr(<...
Alec Matusis's user avatar
0 votes
0 answers
16 views

Bitpay test account Java SDK integration: Insufficient balance error when paying invoice

Problem I set up a Bitpay test account and loaded my Bitpay wallet with testnet BTC. However I'm seeing an in an "Insufficient funds for fee" error when paying an invoice with the Bitpay ...
user154977's user avatar
1 vote
0 answers
39 views

Clarity on rpc flag design to pass boolean arguments

I am working with RPCs flags that may have a boolean argument which is extracted using GetBoolArg and there are various ways to pass Boolean arguments. For example -fastprune=1 // true -fastprune=...
Prabhat Verma's user avatar
0 votes
0 answers
23 views

bitcoin address was given to sender - it was converted to bitcoin cash address and was sent to my bitcoin Coinbase wallet

So, the address bitcoin cash was sent to - when converted is my bitcoin address - anyway to retrieve? Please help - willing to pay $$
Trisha Shepard's user avatar
0 votes
0 answers
25 views

Manual Bitcoin transaction assembly: which output type should be used and how to compose a segwit field?

I try to sign the following transaction: ...
WWTLF's user avatar
  • 101
0 votes
0 answers
30 views

Mined bitcoin reward [closed]

I have been mining bitcoin for more than 2 years now to get to the required point i can withdraw, i have placed the withdrawal for more thank 2 weeks now and its still showing pending. Initially the ...
Deejah's user avatar
  • 1
1 vote
0 answers
17 views

Is there a way to prevent the third party malleability when using OP_GREATERTHANOREQUAL in multisig?

According to this issue, I noticed if taproot multisig script(using OP_CHECKSIGADD) uses OP_GREATERTHANOREQUAL instead of OP_NUMEQUAL, there's a third party malleability as quoted below. For any ...
Hyunhum's user avatar
  • 185
1 vote
0 answers
17 views

Trying to find Elegant solution to PSBT Multi-sig Signing

I am trying to sign an incoming PSBT in custom software I'm building and I'm having trouble understanding how the signing process of a PSBT actually works. I have a Trezor where the xPub I used in the ...
Myles Sherman's user avatar
3 votes
0 answers
39 views

What is exactly Randstorm vulnerability?

I've read the article from Unciphered about it, multiple times, and still fail to understand it It basically says that wallets generated by BitcoinJs front end library from 2011 to 2015 are vulnerable ...
Maltoon Yezi's user avatar
-4 votes
0 answers
42 views

Why bitcoin is considered as international dollar currency or as a high denomination currency? [closed]

Bitcoins are pegged or backed by stable exchange rate or international dollar values.So,it has a high denomination value in exchanging between peers to peers.No, other coins yet to be minted in world ...
Ronjon Handique's user avatar
2 votes
1 answer
37 views

xPriv needed to derive hardened child xPubs?

I am trying to create a java method that gets the xPub associated at the childnumber of the input hardened: private String getDerivedXPubFromPathAndXPub(Integer childNumber, String xPub) { ...
Myles Sherman's user avatar
0 votes
0 answers
32 views

Sent to Wrong address [duplicate]

Someone gave me the wrong address to send the bitcoins to on my cash app. Now I’ve lost everything. Can I get it back? I’ve contacted Cash app they said that once it is cashed out they have no way to ...
GrannyD's user avatar
-1 votes
0 answers
58 views

hi ı have this file in my old harddire ı found it (wallet.Id_6800006af6b0147.dat) and cannot open with bitcoincore how canı use it?

hi ı have this file in my old harddrive ı found it (wallet.Id_6800006af6b0147.dat) and cannot open with bitcoincore how can ı use it?
romeo's user avatar
  • 1
0 votes
1 answer
31 views

How to use a wallet. transactions, addresses, signing, verifying, receipt, collection

I have a transaction ID it has 630 transactions on it.A lot of them are confirmed but they have the same address they're supposed to be going to it's full. I don't know how to sign and verify ...
Pamela Carey's user avatar
0 votes
1 answer
18 views

What is the total-work contribution of 20-minute exception blocks on Testnet 3?

Do 20-minute exception blocks on Testnet 3 contribute total work according to their nBits or according to the actual difficulty of the current period? Concretely, let’s assume there were two competing ...
Murch's user avatar
  • 76.4k
4 votes
2 answers
456 views

How many blocks per second can be sustainably be created using a time warp attack?

In a time warp attack, an attacker can reduce proof of work difficulty to its minimum, which allows even a single piece of modern mining equipment to create large numbers of blocks per second. ...
David A. Harding's user avatar
-1 votes
0 answers
20 views

Suspect mail received form "[email protected]" [duplicate]

I received this mail form which process began from a Company https://www.trustlaw-limited.com/ (Lawyers Company ?!?). Can anyone nforme me if this real or a scam? Thank you very much! From: info@val-...
Benet's user avatar
  • 1
0 votes
0 answers
23 views

C before Amount [duplicate]

I see CAmount mentioned here and elsewhere in the Bitcoin core codebase. What does the 'C' before Amount denote? Is it Consensus?
Eoin's user avatar
  • 349
1 vote
0 answers
28 views

python "pbkdf2_hmac" function doesn't return same as Ian Coleman BIP39 tool. Why?

I am trying to go from a BIP39 phrase to Seed to xprv root key. I have the following BIP39 phrase: "prefer offer puppy imitate pink banana because whale letter thought artwork loud" which ...
0xCas's user avatar
  • 11
6 votes
1 answer
411 views

Why is restructure of mempool required with cluster mempool?

This is a follow up question from the comments in the answer of this question: What is wrong with the current mempool data structure that it requires a complete overhaul? Are there any conclusive ...
WhoIsNinja's user avatar
0 votes
0 answers
11 views

CORS error in Blockstream Esplora docker container even with `CORS_ALLOW=*`

I am running Esplora via docker run --name esplora-container -p 50001:50001 -p 8094:80 --volume $PWD/data_bitcoin_regtest:/data -e CORS_ALLOW=* --rm -i -t blockstream/esplora bash -c "/srv/...
ss01x's user avatar
  • 1
3 votes
1 answer
530 views

Why do protocol developers work on maximizing miner revenue?

A Twitter user asks: "Why are so many [protocol engineers] so worried about miner revenue? [...] IMO, it would be best to focus on what the end users want, not large corporation wants." (...
David A. Harding's user avatar
-1 votes
0 answers
21 views

Unclaim Bitcoin blocks transactions [closed]

bc1qg06c0crmp3nd76y932xa7w6wvn57klhqp8u8x6 Can you help me with this process it. I have unclaimed Bitcoin on the Bitcoin network that I need to claim
Curtis Landra Barnes's user avatar
1 vote
1 answer
89 views

Can a block more than a week old be considered a valid chain tip?

I recently encountered an assertion about this and I have been trying to get to the bottom of it. It's well-known that Bitcoin blocks have timestamps and that there are certain requirements they need ...
Bolton Bailey's user avatar
1 vote
1 answer
87 views

How to spend a multisig descriptor wallet transaction with bitcoin-cli?

I am looking for the correct way to spend multisig outputs with descriptor wallet bitcoin-cli. In regtest, I successfully created a funding transaction tx1 with the following outputs: out:0 sh(multi(1,...
Alec Matusis's user avatar
2 votes
0 answers
34 views

Using BIP32 derivations, can all seeds theoretically produce all public keys?

I was interested in how many possible combinations of BIP 32 derivation paths exist, which could result in a public key derived from a seed. While some people colloquially call it "unlimited,&...
Tom's user avatar
  • 63
0 votes
0 answers
19 views

How can i login into my bitcoin account if i forget password and two account [duplicate]

I accidentally crate two bitcoin account, and at the same time I forgot the old account password, so how can I login into my old account
Sonam Choden 's user avatar
1 vote
0 answers
20 views

Identifying Test-Only RPC Arguments

I am trying to identify test-only rpc arguments in init.cpp and wanted to confirm if the test-only options are those with ArgsManager::DEBUG_ONLY with OptionsCategory::DEBUG_TEST, or ArgsManager::...
Prabhat Verma's user avatar
2 votes
1 answer
64 views

Most efficient way to check if utxos are consumed in mempool txs using core rpc and rust

I try to concurrently monitor a bunch of signed but non published transactions. I want to detect asap if any of the inputs into these bond transactions have been used in another transaction in my ...
f321x's user avatar
  • 25
0 votes
1 answer
44 views

Is there a way to find a scammer who stole my Bitcoin from coinbase wallet

Scammer has stolen my Bitcoin from coinbase wallet. If anyone can help me trace the scammer and recover my Bitcoin, will reward them with 10000 dollars . Details below Bitcoin Transaction Hash: ...
user154547's user avatar
-2 votes
2 answers
59 views

Do bitcoin or crypto assets impact the total supply of money in a country?

Bitcoin like crypto asset are invisible coins or on boarding coins that have the implicit value and intrinsic values but accepted as legal tender currencies in India by RBI.
Ronjon Handique's user avatar
-2 votes
0 answers
66 views

Why am I not getting withdrawal confirmation mail [closed]

Tried several times but getting the same message that your btc was send back to you freebitco.in account as you have not clicked the link within 1 hour... didn't get my confirmation mail then how can ...
Vidit's user avatar
  • 1
4 votes
1 answer
292 views

DEFAULT_MAX_PEER_CONNECTIONS for Bitcoin core is 125 or 130?

DEFAULT_MAX_PEER_CONNECTIONS is set to 125 by default in core to the best of my knowledge. However, I read in The Optech Newsletter #310 that it is 130... could not validate this info anywhere in the ...
Faisal Qureshi's user avatar
-1 votes
1 answer
34 views

Does Bitcoin Core have Prometheus support?

Does Bitcoin Core have Prometheus support? I am having difficulty finding the code for it in the repo?
lladane's user avatar
  • 11
0 votes
0 answers
21 views

How to add prometheus support in my Bitcoin full node application in Rust

How can I implement prometheus client support in Rust in my bitcoin full node application, I was having trouble finding leads. A theoritical explanation on what I have to do, or some code snippets ...
lladane's user avatar
  • 11
0 votes
1 answer
42 views

Why CPUMiner does not mine in spite of showing good hash rate? [closed]

I tried cpuminer to mine some nominal crypto. But, even after 12+hours , not even one share has been obtained. What is the problem in my command. Like, I used the command ./cpuminer -a scrypt -o ...
vidyarthi's user avatar
  • 101
1 vote
1 answer
32 views

Why does the musig() descriptor accept the pk descriptor as an argument?

In the following test vector described in BIP390, the musig() descriptor takes a pk() descriptor as an argument: tr(musig(...
Shigeyuki Azuchi's user avatar
2 votes
1 answer
54 views

Where exactly is the mining code in Bitcoin Core?

I've been looking for months for the real mining code in the Bitcoin Core source code for the function/s that implement the incrementing of the nonce and hashing blocks for mining and never found ...
Ahmad Naji's user avatar
0 votes
3 answers
43 views

Multi-Sig Transaction not broadcasting error - Script evaluated without error but finished with a false/empty top stack element

Trying to produce a multi-sig transaction. I have this so far. Sent funds to : 2NDiRgpVVQ3CtYMi962myja69pFW8VSJ9Yp https://mempool.space/testnet4/address/2NDiRgpVVQ3CtYMi962myja69pFW8VSJ9Yp I guess ...
mathis1337's user avatar
-1 votes
1 answer
50 views

Proposing faster hash function for mining and modified difficulty to get more speed and less consumption

Do you think it could be interesting use a faster alternative Hash function for mining while proposing other form of difficulty mechanism ? I would like to extend the question not only to bitcoin, but ...
holyfloat's user avatar
0 votes
1 answer
35 views

If i have a pending bitcoin deposit and close the account will the bitcoin return to sender? [closed]

I have a pending Bitcoin transaction on Cash App.Cash app would not allow me to refund or reverse the bitcoin transaction. So if I close my cash app will the pending bitcoin transaction reverse to ...
user154383's user avatar
0 votes
2 answers
47 views

How do I find my purchase on the block chain?

I remember purchasing bitcoin on April 15 of 2011 and I thought it was $775 or even $800. Considering that I do not know the transaction fee, how do I find this on the block chain so I can see where ...
Marc McDowall's user avatar
1 vote
2 answers
42 views

Is there a helper method to confirm PSBTs?

Does anyone know of a library/method in Java that I can pass a String into and see if it is a properly formatted PSBT in base64?
Myles Sherman's user avatar
1 vote
1 answer
35 views

Trying to figure out non-canonical DER signature error for a specific tx

I have two transactions, they produce the same hash. But the first one throws Non-canonical DER signature error and the second one doesn't. This is a standard 2/3 multi-sig transaction. Tx 1: ...
Ravi Ojha's user avatar
  • 193
-1 votes
0 answers
29 views

What if the US dollar was backed by the Bitcoin? [closed]

What would the price of Bitcoin become if tomorrow the U.S. decided to use Bitcoin as the standard for the US dollar. Is it as simple as taking the number of US dollars in the world and dividing it ...
Jake Stanton's user avatar
0 votes
0 answers
39 views

Can I recover my investment? I've been scammed [duplicate]

I am a victim of a scam. There is a company saying that they can recover what was stolen, it's almost 200 k euros and according to them, I am required to top up the balance of your secure crypto ...
wnni Källerfors's user avatar
0 votes
1 answer
40 views

Can someone please help me figure this out [closed]

So I had an app called tokencancoin I moved all my crypto into this app and I did what's called binding a wallet address to their app so I have three specific wall addresses, but I can't figure out ...
Matthew Scrappy Larsen's user avatar
-1 votes
0 answers
41 views

Can I recover my money lost to a Bitcoin investment scammer? [duplicate]

I lost my bitcoins to an investment scam called Gensmarkets, I invested about $275k with them and they assured me I could withdraw at anytime but as soon as I asked for a withdrawal, they stopped ...
Michael Jones's user avatar
0 votes
0 answers
32 views

Recovered Funds [duplicate]

I was scammed on an investment site https://mercadobitcoinxio.com site. A company said they were able to recover my money. They want me to fill the Atomic Wallet information as follows: https://rpc....
user154287's user avatar

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