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bitcoin-core building disabled binaries

good day, I have just tried upgrading to core 24. As I am looking for a purely headless bitcoin-core, my process was the following rm -rf bitcoin git clone https://github.com/bitcoin/bitcoin.git cd ...
  • 1
3 votes
0 answers
11 views

Does bitcoin core scantxoutset include mempool transactions?

In my local experiments so far, I don't think that scantxoutset includes mempool information. What options do I have if I want to scan the current utxo set(with mempool updates) for a particular ...
  • 1,254
2 votes
1 answer
11 views

Muun Wallet - All Funds Stored On-Chain?

I've read so far all official Muun articles about the submarine swaps and emergency kits, but one thing still has me confused. Let's say I receive $500 worth of Bitcoin on-chain to my Muun wallet. ...
  • 23
0 votes
1 answer
32 views

Bitcoin Core through Tor (Windows), cookie permissions

I'm running a pruned node Bitcoin Core 23.0 gui (on Windows 10). My mission is to run the node through tor (0.4.7.11) for privacy. I'm mostly following this guide ( https://en.bitcoin.it/wiki/...
0 votes
1 answer
17 views

Identifying Closing Balances on Lightning

Is it possible given on-chain and gossip protocol data to derive closing channel balances? For example, the following channel between ACINQ and magnetron has two txouts but unsure who's balance is ...
0 votes
0 answers
10 views

Startin on IOS 13 Mac book

Installed the wallet on an external drive. He worked. After I updated to ios 13 after that the wallet stopped running. I tried to reinstall. But he couldn't do it. When loading blocks, it gives an ...
0 votes
0 answers
24 views

How many transactions are required on trust before I can withdraw money?

I am using Trust to purchase bitcoin. I wanted to withdraw funds. I was told I needed another five transactions before I could withdraw funds? Is this a policy that so many transactions are ...
  • 1
0 votes
1 answer
37 views

how do miners guess the next block version?

ok guys, so don't laugh at me because im new into this:D I know that each block has a different "block version" right? but, how to guess the block version from the next block? lets say ...
0 votes
0 answers
12 views

Private key problem, getting an error (code -4) please help [duplicate]

im trying to get my private key, i did wallet passphrase 600, got null response, did dumpprivkey "wallet" and i get  This type of wallet does not support this command (code -4) anyone know ...
0 votes
1 answer
15 views

decoding transaction hash returned in rpc call getrawtransaction

hex: ...
1 vote
1 answer
9 views

CLN listnodes command occasionally returns too many features flags

The BOLT #9 specification shows a 52-bit field that represents various feature flags. That should require no more than 7 bytes, or less. When I run the listnodes command, some of the nodes include ...
  • 151
1 vote
1 answer
21 views

Error installing on Mac - Build does not support Berkeley DB database format

Im following the guide here (https://github.com/bitcoin/bitcoin/blob/master/doc/build-osx.md) to install Bitcoin on my Mac. I want to be able to run bitcoind with and without the GUI. The first time I ...
  • 127
6 votes
3 answers
2k views

Why is connecting bitcoin exclusively over Tor considered bad practice?

I've heard that a bitcoin node with only Tor connections is "trivial" to eclipse attack and that such nodes should maintain at least one (or more?) clearnet connections in addition. What is ...
  • 4,768
-2 votes
0 answers
22 views

How to understand and calculator Z (hash of the message being signed) value in Segwit rawtx

How to understand and calculator Z (hash of the message being signed) value in Segwit rawtx. I don't know this value really exist in Segwit or not? if exist how to calculator that for rawtx and what ...
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0 votes
0 answers
29 views

How can I become 100% owner of a bitcoin node?

How can I become 100% owner of a bitcoin node without depending on bitcoin core, umbrel, etc. For a cryptocurrency project I need a bitcoin node that I own to be able to receive and send funds from ...
0 votes
0 answers
8 views

how install a local btc node for test

i use ganache to test and execute a smart contract and test with my backend for Ethereum, but I want to know if there is something similar in BTC and DASH. even if I install BTC-core, a node core for ...
0 votes
0 answers
35 views

the priority for and the "installation bitcoin-qt"

YO guys, Help Me please ! ... the truth, of what I don't make, with the bitcoin-qt logiciel and during the sync : I. the sync BITCOIN CORE " BLOCKCHAIN " Off the Important donwload, for the ...
2 votes
1 answer
33 views

Can I create a P2PK tx?

Is it still possible to send to a pub key directly? How would I construct such a tx in raw hex, and would the mempool accept it? Thanks
1 vote
1 answer
52 views

Can multisig transaction contain two destination addresses beside transaction fee and UTXO?

I understand that "classic" bitcoin multisig transaction contains following parts: 1) Amount sent to another BTC address, 2) fee, 3) UTXO, which can be returned back to original source ...
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0 votes
0 answers
15 views

It´s correct use a full node for a crypto exchanger? [duplicate]

My goal is to create an exchanger from scratch, I don't want to depend on third parties referring to the apis, so looking for how to do it I came across the nodes. Would it be correct to use this for ...
0 votes
1 answer
25 views

How do I determine whether an input or output is segwit? - revisited

This is a discussion that has already been had here, but bear with me. We're gonna be talking about tx faae7e55db14a32e083cbf6a91db8a5ab6a3b05e050d9cefdec80b47f966848e all I got is the encoded ...
  • 117
1 vote
2 answers
21 views

Does the Lightning Network have an equivalent to "Proof of burn"?

Is there a provable way to "burn" a single satoshi for example?
0 votes
0 answers
35 views

Bitcoin Bonus Reality or Not [duplicate]

I am getting emails about Bitcoin Bonus, I have found many emails from them, from as far back as July. I remember signing up with a similiar company more than a year ago, it never went anywhere, so I ...
0 votes
1 answer
30 views

Transaction blocks vs bitcoins

Sorry if this question is too basic or if it has somehow been answered before... My understanding is that any type of Bitcoin block must be first mined, which applies to transaction confirmations, for ...
0 votes
1 answer
24 views

How should Bitcoin exchanges complete their UTXO consolidations and what factors should they consider?

How should Bitcoin exchanges complete their UTXO consolidations and what factors should they consider i.e. regularity, fixed or variable intervals, consolidate into how many UTXOs etc?
0 votes
0 answers
29 views

how to make nft music [closed]

I don't have much experience with NFTs, I just read a bunch of articles about NFT Music on the Zcoino and Obeato websites. Does anyone have experience in making or selling NFT Music?
1 vote
0 answers
13 views

listchannels returns no results from CLN

CLN 0.12.1 My node has been running for hours now. But it doesn't seem to be aware of the network. This is what I get when I try to run listchannels. $ lightning-cli listchannels { "channels&...
  • 151
2 votes
1 answer
39 views

Connection to my full node via Python script suddenly fails

I run a mynode full node on a raspi for quite some time now and was playing around with Python scripts to connect and send txs. This worked fine until lately. Turns out the connection establish ...
0 votes
1 answer
37 views

What is OP_RETURN_252?

The first scriptsig opcode in this coinbase transaction is OP_RETURN_252, followed a bit later by a OP_RETURN_188. These don't show in this list of opcodes. Digging the internet, I found this rust lib ...
  • 117
0 votes
0 answers
24 views

Signing a RAW transaction using bitcoin-php

I have a unsigned transaction hex. Now I want to sign this transaction input with my private key in PHP using the BitWasp Library. I have followed some of the examples and searched the forums and ...
0 votes
1 answer
35 views

non-full node bitcoin node

I will like to run a bitcoin node for web3 development, i only want to track transactions within last 30 days max, so i will like to only keep last 30 days of the bitcoin network at any time is there ...
  • 103
1 vote
1 answer
21 views

Can CLN be configured to use a bitcoin node running on another machine?

CLN 0.12.1 I have bitcoin core running on one machine (Debian 11) and would like set up CLN (C-Lightning) on another machine (Ubuntu 22.04) on the same network. My first test was to use the --bitcoin-....
  • 151
0 votes
0 answers
26 views

Bitcoin-qt runs client correctly, but bitcoind downloads new software

I'm really struggling. I'm a bit new, but I'm trying to run bitcoind. When I run bitcoin-qt, everything is fine, but when I try to run bitcoind, it starts to download a new bitcoin core software. Does ...
2 votes
2 answers
39 views

Can you know the final destination of a BOLT12 offer?

It is said that a BOLT12 offer does hide the final destination, and therefore protects privacy of receiver. However, I just generated an offer, decoded it, and in the value node_id, it had my node's ...
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0 votes
1 answer
36 views

How is the Prev_block_id managed?

I found this schema. I wonder how organize the relationship with prev_block_id(prev_hash)? I think it would be like a below schema.(Here limited to id(hash)) CREATE TABLE block ( id VARCHAR(8) ...
3 votes
1 answer
138 views

Tx with OP_RETURN with 77 bytes of data refused by node

A transaction with a 77 bytes OP_RETURN is refused, but with shorter data (e.g. 74 bytes) is accepted, although up to 80 bytes should work. What is the safe limit to be used? Per these references the ...
  • 201
1 vote
1 answer
76 views

Prior to collapse, how could FTX honor btc withdrawals if filings show they held no bitcoin?

I have seen in the news that, in bankruptcy filings, it was revealed that FTX held no bitcoin. As far as I can find on the internet there's nothing pre-implosion that suggests user were explicitly ...
  • 185
2 votes
1 answer
17 views

What does the disabled field of the RoutingPolicy object mean in LND?

lnd v0.15.3-beta The documentation for lnrpc.RoutingPolicy shows a boolean field called disabled, but it provides no definition of what that means. Each channel has 2 peers, and each peer in a channel ...
  • 151
0 votes
1 answer
33 views

addrindex not working

I'm looking to create an index on addresses in my bitcoin full node in order to fetch the balances of a list of addresses from the blockchain for an academic project without using the public explorers....
  • 1
-1 votes
0 answers
56 views

My Bitcoin keeps dropping, what can i do? [closed]

My Bitcoin keeps dropping. I used to have 30k USD worth of Bitcoin but now it has dropped to 13K. How can i get back up from this loss? Should i just sell the rest?
1 vote
0 answers
13 views

On the Lightning Network how do you port redirect using the Lightning.conf file? I'm desperate

I have a channel connect with someone who only has IP4. I only have IP6. How can I redirect the port in my LND to accept IP4.
0 votes
0 answers
12 views

I can not connect through RPC port bitcoind

I have set up bitcoind, and I am able to run bitcoin-cli commands, I am also able to make request through RPC. curl --user username:password --data-binary '{"jsonrpc": "1.0", "...
0 votes
1 answer
24 views

Does 'listunspent' work for any address is `txindex=1`?

The listunspent Bitcoin Core RPC method by default works only for addresses loaded in the wallet. Does it work for any address if the node has full index (txindex=1)? (Technically it could I think, ...
  • 201
0 votes
1 answer
409 views

I received an email saying I have money from "Bitcoin bonus"

I received an email that stated that I had $22000 that I have to withdraw out a bitcoin bonus mining I guess and I don't know how to do that how do I withdraw my money
1 vote
2 answers
54 views

Analyse huge amount of blockchain data

I am trying to go over all transactions data from every block on the bitcoin blockchain from the previous 4 years. With almost 2k transaction per block, it will take a lot of queries per block. I have ...
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1 vote
1 answer
23 views

Please help me understand this P2PKH transaction

I'm trying to understand Pay-to-Pubkey-Hash transactions. I picked a random P2PKH transaction in a blockchain explorer: ab3f542ad5add941f8ba4282cebab0cca81266a83cab6b98ebb8ae730477a570 As far as I ...
0 votes
1 answer
21 views

How do nodes communicate through tcp over different networks

It is said that the nodes communicate over tcp but how is that acheived across networks over different Nats
1 vote
1 answer
49 views

What were any supply chain attacks against Bitcoin, if any?

Was there ever a case were Bitcoin or Bitcoin-Core itself was compromised? For example, did it ever happen that a malware hacker could insert code that compromised Bitcoin at the protocol level? For ...
2 votes
1 answer
34 views

Can the exchange rate fee be taken from the payment amount? [duplicate]

I have a pending payment from Bitcoin Bonus but to withdraw have to pay a exchange rate fee cant the fee just be taken from payment amount and sent to my wallet?
1 vote
3 answers
104 views

How to retrieve total BTC held in Ledger wallet

I'm new to Ledger. As a software engineer, I'd like to write my own app (for my own personal use) that is sort of like a more basic version of Ledger Live. I want to show my balances on my own private ...
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