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1answer
14 views

if the hardware wallet company ledger goes out of business, what will happen to my crypto asset / private keys in ledger?

if the hardware wallet company ledger goes out of business, what will happen to my crypto asset / private keys in ledger? I heard that the hardware wallet ledger is not open-source, so will the ...
0
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0answers
15 views

peer does not offer the expected services

I am working on setting up a node and a normal consumer just to understand how all this works and I have the node up and running and my normal consumer. I see the connection is accepted on both ends ...
-1
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0answers
31 views

Lost my bitcoin four years ago, trying to trace the wallet

four years ago I purchased 0.43 Bitcoin from localbitcoin.com. I received the Bitcoin and sent it through a bitmixer to one of my wallets. I checked all wallets and nothing was ever received. I have ...
0
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0answers
15 views

bitcoin core wallet and python bitcoin-lib

I have a regtest bitcoin environment with nodes and wallets. I'm running bitcoind and bitcoin-cli, version v0.21.0.0. So in my node i created my wallet with a bitcoin-cli -regtest createwallet node1 &...
3
votes
1answer
39 views

Function combinerawtransaction is not working

I have multiple partially signed transactions that I want to combine into one transaction. All those transactions were signed using the same key so it should be possible to combine all those partial ...
0
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0answers
8 views

Error generate new block with signet test

I have tried to test signet to generate new block but it is showed message as below: bicoin-cli -signet -generate 1 ERROR: ProcessNewBlock: AcceptBlock FAILED (bad-signet-blksig, signet block ...
1
vote
1answer
73 views

What is the incentive for continuing to mine bitcoin as we get very close to the 21 million cap?

The Investopedia article on Bitcoin explains the Bitcoin issuance schedule and how it's halved every four years. Currently, roughly 18.5 million have been mined, with the total cap being 21 million. ...
0
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0answers
19 views

I have two different crypto wallets with all of the same “receive” addresses. How can I fix this?

I use Trust Wallet and Crypto.com DeFi Wallet. I wanted a particular coin in my DeFi Wallet. I copy the Receive address from DeFi Wallet, paste it in my transfer, and the coin goes to Trust Wallet ...
0
votes
1answer
22 views

Unable to return BlockHashes when I run this generatetoaddress

I have downloaded and fully synced with my Mac last Saturday, my Bitcoin Core version is v0.21.0 and my Bitcoin-Qt version 5.9.8. I did run other RPC commands such as "getrpcinfo" and it did ...
0
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0answers
13 views

how to identify as soon as possible that a new block was mined

From the miner perspective: You have a worker, fetching data from a full-node with getblocktemplate to create a candidate block and push it to the miners, to effective mine it. As soon as your miner ...
1
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0answers
21 views

cannot generate bitcoin first block

I have download bitcoin source and change genesis in regtest. and i try to generate 1 block by command ./bitcoin-cli -generate 1 it does not show any mining block. i try over 10 times but it is still ...
0
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0answers
14 views

Is this scheme for multisig audit of Trezor + Coldcard ok?

My plan is to make a multisig between coldcard and trezor. I want to audit and verify that I indeed own the 2 keys of these wallets, using a raspberry pi zero (no wifi/bluetooth by definition) on a ...
1
vote
1answer
26 views

Libbitcoin How to generate addresses on demand from xpub?

Well, I am really new to this. Just installed libbitcoin and I am reading trough the wiki and everything. Could someone really quick hint me how to generate addresses whenever I want from xpub that ...
0
votes
1answer
31 views

When should proof-of-work be done? Does it involve in mining a coin? Can it be done without real transactions to be recorded?

I am trying to understand about what bitcoin is. I conceptualize bitcoin as a proof of work required when a new block (or new coin) is created. I also understand that a proof of work involves finding ...
1
vote
1answer
26 views

Can Taproot be used to commit arbitrary data to chain without any additional footprint?

A common way of committing some data to the chain is through an OP_RETURN with some hash. Doing this marks an output unspendable, but the output still requires some footprint (and cost) on the chain ...
0
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0answers
15 views

In case of private data collections how can the nodes that don't have complete access to the transactions know about the world state? [closed]

Hyperledger Fabric offers the ability to create private data collections, which allow a defined subset of organizations on a channel the ability to endorse, commit, or query private data without ...
1
vote
1answer
26 views

How is the Max Target of a Genesis Block Decided?

I've been diving into the world of Blockchain and crypto lately, trying to build my understanding of mining specifically. I understand that in POW systems, the difficulty of the first block is 1, and ...
2
votes
1answer
76 views

Relocating Physical Node Location

Are you able to relocate your node's physical location (i.e., move from Oregon to New York) and keep all the channels you've established intact?
0
votes
1answer
22 views

Bitcoin was sent to my wallet 7 days ago but it has not reflect in the wallet

I checked the bitcoin explorer to check if the bitcoin is in and Yes it is but it stays unspent but it has not reflect in the wallet of the main address for 7days now ...
-1
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0answers
18 views

What is the best time to buy btc? [closed]

whats the best time to buy btc?
0
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0answers
23 views

How mining works for a new born cryptocurrency [closed]

What I have learnt that mining is breaking a block which contains transactions using hashing algorithm (Sorry if this is wrong please do correct me). Now my question is how mining will work for a new ...
0
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0answers
17 views

QBitNinjaClient.GetBalance() how to find Sender's Address?

var address = new BitcoinPubKeyAddress("My Pub Key", Network.TestNet); var client = new QBitNinjaClient("http://tapi.qbit.ninja/", address.Network); var balance = await client....
0
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0answers
17 views

Litecoin Fork Compilation Validation Error bad-cb-length, Transaction check failed [closed]

I have been working on a fork of Bitcoin/Litecoin, and was able to run sudo make && sudo make install with no issues. However when I run kangrocoind (kangrocoin is name of coin), it will ...
1
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0answers
31 views

Stratum: How many shares should I submit per job?

I'm implementing a bitcoin CPU miner just for fun in python. I've been reading a lot about bitcoin and the protocol pools use for communication and coordinating workers but there is a key concept I ...
0
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0answers
29 views

I want to know by an example how price of bitcoin changes [closed]

Let us assume a hypothetical scenario for the sake of simplicity : Current price of bitcoin is $100 Total bitcoin in supply are 1,000,000 Total no. of bitcoin as 2,000,000 No limit orders on trading ...
0
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0answers
41 views

How To Solo Mine Bitcoin With a Full Node?

I have a full node running bitcoind, and I am wondering how to solo mine using BFGMiner, CGminer or similar software. since my reputation does not allow me to post my answer to another question... I ...
3
votes
0answers
23 views

How are taproot scripts represented in general?

I'm pretty familiar with the opcode style of writing down scripts. I can understand the stack-based language nature of bitcoin script where you can write down different script spend paths via ifs like ...
-1
votes
0answers
22 views

How does bitcoin work from a Mathematics standpoint? [closed]

I would like to know how bitcoin works from a mathematics standpoint
0
votes
2answers
60 views

I used edge wallet to send my bitcoin from my wallet to my cash app but i used a low fee soo its been unconfirmed for 10 days what can i do? [duplicate]

My transaction 5c8552a6744b3428d3ec4b5c0dd8b378ffeb4efd703b76a2b9d106250234d766 Has been unconfirmed for 10 days is there anything I can do to get it confirmed or do I just have to wait?
0
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0answers
26 views

Question about the efficacy and safety of Privacy Cryptos like XMR, Zcash, etc

new here and haven't found an answer to this conceptual question: Crypto is said to have solved the coordination problem through rewards and punishment (honest users are rewarded; dishonest users are ...
0
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0answers
13 views

Do some crypto-assets have an “admin key” that allow some users to exercise “unilateral control and influence” over the asset? [closed]

I am reading the SEC prospectus Coinbase's initial public offering, available here. On page 20, it is written: Many crypto assets have concentrated ownership or an “admin key”, allowing a small group ...
2
votes
0answers
31 views

is there a way to write SCRIPTS that CONDITION OVER THE CURRENT TIME stamp?

I am very new to bitcoin scripts, and need to design some high level bitcoin protocols without enough time to really dive into the details of the language itself. Is there a way to write a script that ...
1
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2answers
50 views

If my phone is powered off will i still receive my bitcoin

I sent someone Bitcoin but they said they didn't receive it because their phone is powered off but I got a complete transaction confirmation
0
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0answers
17 views

Hardware to use part time with 300KW free solar power

We have a large solar array and when our equipment is not running we have to curtail the power to prevent tripping the next town. So for about 45-50 hrs per week we have about 300KW of available and ...
1
vote
1answer
40 views

Does port 8333 need to be opened as TCP_OUT or TCP_IN?

Does port 8333 need to be listed in TCP_OUT in a firewall or in TCP_IN as well?
0
votes
0answers
7 views

How to confirm integrity of Electrum wallet created using BIP39 mnemonic?

Given paper backup of 24-word BIP39 mnemonic and passphrase, how can one confirm integrity of Electrum wallet given "Wallet" / "Seed" is greyed out?
0
votes
1answer
29 views

understand bitcoin transaction json extracted from blockchain

i'm trying to understand bitcoin transaction extract from bitcoin core with RPC, with an example this block hash : 00000000d14f2e97678951ad004d6699babd27e07ca722c46b30dc24c67eed7a {"method": ...
0
votes
1answer
21 views

What does the sixth line in the output of the Bitcoin Core GUI RPC command “gettxoutsetinfo” mean?

An example of the output of this RPC command is as follows. 1 "height":n, (numeric) The current block height (index) 2 "bestblock": "hex", (string) The hash of ...
0
votes
0answers
39 views

NBitcoin how to send a transaction?

The verification passed. But nothing happen after that. The balance in both accounts remain the same. Anything wrong in the way that I build my transaction? var fpk = new BitcoinSecret("<my ...
0
votes
1answer
28 views

How to understand the first reply of a node

I have send my version message to a bitcoin node and the hexdump of his answer was this: https://pastebin.com/QBNaeS0g Maybe this is a network related question but I want to know the version used by ...
1
vote
1answer
28 views

How bitcoin daemon search nodes to connect?

How bitcoin daemon search nodes to connect? What file in github responsible for this? How they often change? How is the veracity of the data of these nodes checked? Bitcoin daemon have function not ...
0
votes
0answers
16 views

No OpenCL devices found in your system. Closing lolMiner [migrated]

New to mining. I am trying to figure out how to use lolMiner on Ubuntu 20.04. Here are the specs of my GPU: *-display description: VGA compatible controller product: ...
0
votes
0answers
23 views

What is the fraction of the Bitcoin mining power that might be engaged in Selfish-Mining?

Is there an estimate for the fraction of miners engaged in Selfish Mining within the BTC network? In light of the publication The Impact of Selfish Mining on Bitcoin Network Performance (2021), ...
0
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0answers
5 views

bitcoind.service problem showing a error message

it is giving this message The unit bitcoind.service has entered the 'failed' state with result 'exit-code'.
2
votes
1answer
255 views

Does Bitcoin mining reward halving have documentation? Or is it just in the code?

I can't seem to find actual documentation about the reward halving process. This is not addressed in Bitcoin's Whitepaper, although Satoshi Nakamoto briefly mentions the decrease of the reward, but ...
0
votes
0answers
21 views

BTC gambling site (with crash game) [closed]

i'm not too sure that this is the right place to post that, if it isn't... sorry, i'll delete that I'm pretty sure that some gambling site's (in particular with the crash game) source code can be ...
0
votes
1answer
30 views

I just need some advice or assistance if possible? I'd really appreciate anyones 2cents on this

I sent BTC from Paxful to an exchange called LAtoken. $36 worth of BTC was sent, nothing major to anyone else but really huge to me. Cope pasted and confirmed address. NO btc arrived almost a day ...
0
votes
0answers
6 views

Trezor backend development , blockbook installation error

I am running my own node bitcoin core , mainnet and testnet , with trezor custom backend Blockbook, so that i can access my nodes wallet, send tx. on trezor wallet. I am not able to sync the chain ...
1
vote
1answer
19 views

Miner's pool and Mempool relationship

I am wondering why we need Mempool (central and aggregated pool) while each miner has its own pool? If we need the Mempool as an architectural design, how we can make sure that miners are sending ...
0
votes
1answer
26 views

Get the historic circulated suppy

I'm looking for the historic circulated supply of Bitcoin. I'm aware I can get the current supply by creating my own node. But I need the supply at a given date. Does anyone know of an API to get it....

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