All Questions

0
votes
0answers
8 views

CAN I RECEIVE BITCOIN FROM PANAMA FLORIDA

Please can I receive BITCOIN from (Panama Florida) to my Nigeria BITCOIN wallet.. Someone in panama city Florida will be buying and sending me 600$ worth of Bitcoin. She haven't create the account ...
0
votes
0answers
4 views

How do I get a pool to pay me the accepted shares?

How do I get the pool to pay me the accepted shares ?
0
votes
2answers
20 views

How is pool hashrate share name known?

Since it’s not possible to know mining pools nodes addresses, how do we know the that a specific node owing 15% of share belongs to btc.com for example ?
0
votes
1answer
14 views

Hash rate, transaction and block relationship

I'm aware that when the hash of the block header (block hash) is below the difficulty target, a block is deemed as validated. But because I've never run a bitcoin node before (will soon), I had a ...
1
vote
1answer
85 views

Besides transaction validation, are there any other uses of the Script language in Bitcoin

Script's stack operations are used to validate signatures and scripts of transaction inputs and outputs. Is Script also used to validate block, network, or any other data? Seem like there are a lot ...
0
votes
1answer
11 views

Is it possible to get the full list of synced nodes ɪᴘ on the network?

There are many website like https://bitnodes.earn.com/ but I’m failing to understand if they collect nodes from compulsory submission on the web interface for statistics purposes only or they use a ...
1
vote
1answer
14 views

Block size limit in Bitcoin v0.01

In main.h (line 17) we have a constant MAX_SIZE static const unsigned int MAX_SIZE = 0x02000000; which in decimal format equals to 33554432 (32MB) This constant is used to verify if the block ...
0
votes
2answers
11 views

Public Addresses: '3' vs '1' in front [Bitcoin]

I just wanted to confirm, is it true that for a bitcoin (public) address it should always have a '1' in front of it. For certain transactions though I see that there is a '3' in front. How is this ...
0
votes
1answer
21 views

How and why we need to validate a transaction?

I've starting doing some researches about the Bitcoin protocol and the blockchain. I'm trying to understand all the sections in the Bitcoin white-paper. So far, i couldn't understand what is the ...
1
vote
1answer
39 views

What’s the purpose of checking for input overflow?

Everyone knows this famous fix for block 74638 which still exists in other files. But there’s something I can’t understand, why check for inputs overflow since it’s not possible to have enough utxo ...
1
vote
2answers
46 views

Why do large blocks increase the probability of chain reorgs?

After the recent two chain reorgs taking place in Bitcoin Cash SV, I am finding a number of developers stating that large blocks are the reason for the reorgs: "Almost each time someone is trying to ...
-1
votes
0answers
20 views

Bitcoin Percentages with PHP. Are my calculations correct? [on hold]

Need to determine bitcoin percentages in PHP. I'm using this function: $bitcoin_price = "0.01096616"; $percentage = (3.9 / 100) * $bitcoin_price; echo $percentage; My result is 0.00042768024 from 3....
2
votes
0answers
25 views

What in detail makes the Coinbase in the Genesis Block unspendable? [duplicate]

I was aware that the Genesis block's reward was unspendable, and that there was no UTXO for it in the UTXO Set. I thought that this was due to the Genesis block being hardcoded and the actual ...
3
votes
1answer
31 views

Differences to CCompactSize and CVarInt

I'm developing a parser bitcoin core and I have a problem whit the type CVarInt, I using the decodifier mode of the CCompact size but at the block 976 I Have a problem whit the type, because the value ...
1
vote
1answer
29 views

How can a person reasonably prove they're running a full node?

I mean running themselves in a computer they control and not just fetching blockchain data from a public blockchain API or something like that. I imagine that may be impossible, but there could at ...
0
votes
1answer
13 views

18: bad-txns-inputs-spent

I want sendRawtransactoin to the testnet ,bug i got "18: bad-txns-inputs-spent" My input is unspent on the Testnet ,Help ! { "Version": "1", "LockTime": "0", "Vin": [ { ...
0
votes
0answers
26 views

iOS wallet with Bech32 and Xpub keys

Is there a iOS bitcoin HD wallet with Bech32 support and access to your extended public and private keys out there?
0
votes
0answers
28 views

Recovering wallet after formatting SSD

I am not exactly sure what I need to do and I do not want to accidentally overwrite my disk. I may have already done so. After searching my web history I have found the BTC address that my BTC is on ...
0
votes
1answer
61 views

How can I import my XRP private key online to spend funds?

How can I use my XRP paper wallet private key (or "private address") to send XRP to another address? I know that once a private key touches the internet, the wallet can't be used again (for security ...
0
votes
1answer
32 views

Assets when cryptocurrency gets delisted (as Bitcoin SV or Bitcoin Cash)?

What happens to assets that you owe when a cryptocurrency gets delisted? I'm thinking concretely in the case of Kraken, Binance, ShapeShift in delisting Bitcoin SV or SBI holdings delisting Bitcoin ...
0
votes
0answers
12 views

Orphaned block probability ratio

The probability of orphaned blocks should also take into consideration the proportion of the total mining hash power that the miner has. If M_i and M_j are 2 miners with p_i= 2* p_j (proportion of ...
0
votes
0answers
18 views

Do SPV nodes sync “headers-first”?

Headers-first sync is defined somewhat by BIP 130 and expanded upon with compact block relay in BIP 152. I believe this is the commit in which it was added to Bitcoin Core. The result is that Bitcoin ...
0
votes
1answer
22 views

Is mining using with cpu(some web sites) fake or not

There is a rule about every browser : Browser can not access client's RAM-CPU-HARD DRIVE-WEB CAMERA-And other resources of client's machine. Am i right? So how some web sites do mining using client's ...
0
votes
0answers
27 views

Isn't Bitcoin just a bubble? [on hold]

Is Bitcoin and cryptocurrencies in general the future? I am genuinely interested in other people's view point.
3
votes
2answers
253 views

Would it be possible to dictate a bech32 address as a list of English words?

One of the reason for bech32 address is: "it'easier to dictate it over the phone". Is there an algorithm to convert a bech32 address into a list of English words that would make it even easier? ...
1
vote
3answers
41 views

What does channel num_updates mean?

Some LND wallets provide a channel's "Number of Updates". Here's an example from Zap Desktop: The LND gRPC API Channel Reference cites a property called num_updates. The description of this field is ...
2
votes
0answers
18 views

How to transmit fraudulent commitment transaction on lightning channel?

I'm trying to simulate a fraudulent commitment transaction on lightning. How would you submit an earlier commitment transaction. It doesn't seem like this can be done with a command. Does anyone know ...
1
vote
1answer
29 views

Is there a way for me observe network traffic of bitcoin exchange?

I was wondering if there is a way to observe a network traffic/packet of bitcoin exchange. I want to know what's in the packet when I send a bitcoin from one wallet to another. Thanks.
0
votes
0answers
20 views

My transaction has been on pending for 48hrs [duplicate]

Please I need help and I need to know how long it will stay and I don't change my transaction fee
3
votes
1answer
50 views

Export Xpubkey from Bitcoin Core

How do I export my HD wallet's Xpubkey in Bitcoin Core? Do I construct it using the value of "hdseedid" returned by getwalletinfo?
1
vote
1answer
39 views

Is the bits field a unique representation of the target?

The bits field is the compact representation of the target. Example: bits: 1d00ffff target: 00ffff0000000000000000000000000000000000000000000000000000 bits: 1cfff00 target: ...
1
vote
1answer
25 views

How does the 51 percent or 2/3 majority voting rule work?

For a block to be added to the chain, it needs vote from majority of miners, is that correct? If yes, does that mean a single block gets worked upon by all of the miners?
0
votes
1answer
39 views

Hi can someone help me with this btc transaction?

https://www.blockchain.com/btc/address/17GNYZZ9y1Woyv5JdqLcAEJeYaQyRDTx2D it is not showing up in the bitcoin account it should be in????? Blockchain and electrum as my personal wallets, but this ...
0
votes
0answers
14 views

Which derivation paths are used by the Abra wallet?

Abra have stated in a reddit comment that their non-custodial HD wallet uses custom derivation paths to convert the user's BIP39 mnemonic seed into cryptocurrency address/key pairs. Has anyone figured ...
-4
votes
0answers
43 views

Fake btc transaction [on hold]

Is it possible to make a false btc transaction, with a false tx and without using funds?
0
votes
1answer
14 views

How does Internal Keychain exactly work?

I understand that an internal keychain is used to receive a change of payment when I pay someone. For example, I pay $20, but it costs $17, so I get $3. But what I don't understand is how can there ...
0
votes
0answers
14 views

how to implement stack data structure using haskell? [on hold]

i won't perform stuck function like this (push, pop) using Haskell that are special for functional programming
0
votes
1answer
17 views

Question about nondeterministic wallet

I was reading https://github.com/bitcoinbook/bitcoinbook/blob/develop/ch05.asciidoc#user-stories and ran into this statement. In the first bitcoin wallet (now called Bitcoin Core), wallets were ...
0
votes
2answers
31 views

Is the time taken for the verification of a transcation not much relevant?

By verification I do not mean the puzzle solving/hash calculating part but the part involving searching all of the blocks to check if the transaction is valid or not? For example if A transferred ...
0
votes
0answers
19 views

My transaction has been on pending for 27hrs [duplicate]

I need to know how to confirm my transaction it's been on pending for a while and I really need the transaction
-3
votes
0answers
40 views

Enigma “secret contract” and concealing transactions history: Is it possible?

Enigma protocol is a second-layer, off-chain network that aims to solve privacy issues in blockchain. However In Enigma blog, there is an article (Link to Article), explaining the secret contract, ...
0
votes
0answers
14 views

How do I include mining in this alternative Blockchain application of mine?

I am making a blockchain based messaging application. How it works is like this: there is a server side program and a client side program. The clients are the nodes which have a Public and Private Key ...
1
vote
2answers
35 views

how to transmit commitment transaction (unilateral close) from lightning network channel

How would you transmit a commitment transaction from a lightning network channel instead of closing the channel? I am working on implementing a watchtower and I first need to simulate a double spend ...
0
votes
1answer
39 views

Can someone explain what exactly is derived address?

Let's say my mnemonic words are army van defense carry jealous true garbage claim echo media make crunch When I used https://iancoleman.io/bip39/#english, the section, Derived Address, showed ...
0
votes
0answers
12 views

LND application for InitWallet [on hold]

who can help me fix below issue on LND function(based on PyCharm)? the problems on the InitWallet from LND Application. GenSeed that can run pass and get the response from below resource code. but ...
0
votes
0answers
16 views

how to run a query for size of tranactions?

how do I run a query for size of transactions in terms of size of bitcoin? Or better yet, is there a key for all the output?
0
votes
1answer
27 views

What can I do with Account Extended Private Key and Account Extended Public Key?

I have been reading about Account Extended Private Key and Account Extended Public Key that derives from the Master Private Key and Master Public Key, but I still have some question about their ...
0
votes
1answer
33 views

I formated my hard drive with bitcoin core on it

First timer here ...I downloaded bitcoin core a few weeks ago until last week where it still had not synced so i started all over...I was originally waiting for BTC CORE to synchronize(I missed the ...
1
vote
1answer
36 views

Script Null into raw trasaction bitcoin core

I'm developing a parser for bitcoin core and into the alpha test of the parser,I noticed than the script bitcoin core are null and the hash raw transaction exist. An example: for this transaction the ...
2
votes
2answers
52 views

Why is the value field 8 bytes in transaction output when it can be achieved with 7 bytes?

Bitcoin uses a 8 bytes value field in the transaction output. However, the total supply of bitcoin is capped at 21M. Theoretically, even if all the 21M bitcoins are transferred to a single address, ...

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