All Questions

0
votes
0answers
9 views

I sent 2.002 BTC using withdrawal tab in BITFOREX Exchange to Coinbase [duplicate]

I withdrew 2.002 BTC from my BITFOREX account to my BTC Coinbase account over a week ago and when I look up the Transaction Hash it shows it is an unconfirmed transaction with 82 inputs ans only 2 ...
0
votes
1answer
53 views

How to convert Script hash into opcodes, in Ruby?

I have a script and it looks like this: 76a914af7a4a30243f2301e6a14a4979ae099d52f560d488ac. How can I create an instance of class Bitcoin::Script from ruby-bitcoin? It has to be parsed, I believe, but ...
0
votes
0answers
9 views

Why is my worker disabled

When looking at my dashboard, it says my worker's state is disabled. I'm using an old S1 (which I know isn't profitable, just playing around) but it is hashing around 176 Gh/s per day.
0
votes
0answers
17 views

How to dump full data in leto/wack script for wallet.dat?

Recently I downloaded perl script from https://github.com/leto/wack And it successfully print default stats only.Showing that defaultkey 1,ckeys 201 and other. But I surely know that it may dump full ...
0
votes
1answer
17 views

What key is used to create a script?

I'm trying to sign an input in my transaction. The question is: which key has to be used in the "script," private or public? It would be silly to disclose a private key there, right? But how will the ...
0
votes
0answers
5 views

Is rippled release the rpc connect resource? The service is unavailable

I have deployed a ripple sync node, and monitor its' height and parse the latest closed ledger by rpc method ledger_closed and ledger. Usually I have lost my connection, because the rippled server ...
1
vote
0answers
18 views

Bitcoin Core client on multiple computers

I have one computer with a full node bitcoin core. I would like to have bitcoin-qt installed on a different computer but I don't want to download the full blockchain again in the other computer. I ...
0
votes
0answers
8 views

How to quit CGMiner 4.10.0

How do I quit CGMiner 4.10.0 the correct way so That I can see the payment screen ?
2
votes
1answer
16 views

What's the maximum size of the memo in a LN payment request?

What is the maximum size of text held in the memo portion of a lightning network payment request?
4
votes
1answer
26 views

Low-s value in bitcoin signature

What are the problems related in using the "normal" ( bigger than N/2) value of the s number in transaction signature and why we use the lower one? Is it about the math behind the ecdsa?
1
vote
1answer
28 views

How to convert P2PKH to Hash160 (or something else acceptable by Script)?

How to convert a bitcoin address (starts with 1) to the right format acceptable by script (I'm using this Ruby library)? I'm doing this: tx.output do |o| o.value(50000) o.script { |s| s.recipient(...
0
votes
0answers
25 views

Bitcore ZCash addresses conversion to t-address

I have an issue while creating simple zcash address: I am using the following network params: const bc = require("bitcore-lib") const zcashNetwork = { name: 'livenet', alias: 'mainnet', ... }; ...
0
votes
0answers
17 views

Bitcoin core wallet replication

I have a bitcoin core full node with a wallet on VPS. I use my own script to connect to the RPC. The script works on another VPS. Sometimes bitcoin VPS goes offline. Once the recovery took a long ...
1
vote
1answer
25 views

Failed CHECK(MULTI)SIG operation - BIP143 hash pre-image

Using Blockstream's api to broadcast a raw transaction to the Bitcoin testnet, I encountered the following error: sendrawtransaction RPC error: {"code":-26,"message":"non-mandatory-script-verify-flag ...
0
votes
0answers
13 views

What happen When use -maxtxfee and -mintxfee with bitcoind

I read some document about -mintxfee and -maxtxfee. I apply this to my regtest network using the following command ./bitcoind -txconfirmtarget=6 -maxtxfee=0.00005 -mintxfee=0.00005 My question is ...
2
votes
1answer
135 views

Bitcoin scripts that force disclosure of the private key

Context: I am creating an example code that would demonstrate an atomic swap between Elements and Bitcoin, with the aim that the swap transactions cannot be trivially linked, as it would be with ...
1
vote
1answer
28 views

How miner makes sure that a transaction he picked up from mempool is actually valid? [duplicate]

I have read and searched enough about the roles and responsibilities of miners here; For example: Does the miner first validate transaction before doing POW or he does not validate at all ? Does a ...
3
votes
1answer
48 views

Could a transaction hex on testnet theoretically be valid on mainnet?

For all practical intents and purposes it seems a testnet tx hex could never be valid on mainnet because of the prev tx hex present for all inputs used in the tx. However, let's say that by some ...
0
votes
0answers
20 views

how to find my btc address and private key using bip32 rootkey

I have one query Using my bip32 rootkey I can see all address I've 250$ into my wallet but when i important the address from my rootkey it's showing only address which i received payment of last 150$...
0
votes
2answers
35 views

Can Large Bitcoin Collider break into the wallet which is created by new version of Electrum?

I have heard that Large Bitcoin Collider can only break into wallets that are created by broken software. My other question is that it seems the last private key that they found was on 2017-11-15 01:...
-1
votes
0answers
16 views

Where can I find bitcoin miners or sellers for an over-the-counter block trade? [closed]

More broadly, any insight about where bitcoin miners or sellers congregate offline?
0
votes
1answer
16 views

Does the `HTLC fail` routed back to sender using same path if intermediate node does not have enough capacity?

In the Lightning Network, the intermediate hop between the sender and receiver checks for possible errors(like if it has enough balance). And if there is, it sends an HTLCFail message back to the ...
1
vote
1answer
21 views

How can “Lightning Loop Out” help me to receive more payments?

In his blogpost, Alex Bosworth describes that “emptying of the channel allows them to receive more payment” (https://blog.lightning.engineering/posts/2019/03/20/loop.html). But how can I allow more ...
0
votes
1answer
29 views

How can i verify my txs with my own full node?

Hey i run a full bitcoin+lightning node on a rpi. Can anyone eli5 me how can i verify my own tx if send some coins from an exchange to a public address i control? Lets say i plug in my hw, send some ...
0
votes
1answer
33 views

Automatically close the bitcoin-qt when enable SSL for RPC

I Just try to enable SSL for bitcoin-qt RPC call. I follow the SSL on RPC link to archive my target. But I am getting the following error and close the bitcoin-qt automatically. I am using the ...
0
votes
1answer
13 views

When miner insert coinbase?

when miner create the candidate block with transactions of mempool, insert the coinbase after 'win' PoW or during PoW?
0
votes
2answers
43 views

History of transactions in Lighting Network

I'm just a beginner in lighting network. Have some questions about transactions in LN when im doing the research Transactions in LN are off-chain, so transactions couldn't be stored in main-chain, so ...
0
votes
1answer
25 views

How does the Blockchain detect a cheater, who manipulates the blockchain?

Let's assume we have 100 blocks. One miner x has the intention to manipulate block 90. So he has to recalculate the hash for block 90. Following he also has to recalculate the hashes for block 91-100. ...
2
votes
0answers
14 views

Script and DER in P2PKH

Im trying to figure out the script and DER In P2PKH, the "first part (scriptsig)" push in stack (<sig><pubK>) because is it DER? Instead the "second part (scriptPubKey)" you can map the ...
0
votes
0answers
14 views

How to decrease target difficulty in bitcoin source (v0.8)

I have followed this video series ( https://www.youtube.com/watch?v=mDGxGYvkDEE ) to create an alt-coin by forking Litecoin v0.8, which i followed the videos and successfully created an altcoin. Now ...
0
votes
2answers
50 views

Mining Difficulty and Leading Zeros

I understand that the Bitcoin mining problem is to find a string s (hash of previous block + Merkle Tree Hash + nonce) such that sha256(s) has n leading zeros, where n determines the mining difficulty....
0
votes
0answers
11 views

HOW DO I GET CGMINER TO SHOW ME THE PAYOUT?

I have my CGminer on and showing the “Accepted Shares” How do I quit CGminer so that I can see my payout ? I have been told that I should press control + Q then press the Q button and then it will ...
3
votes
2answers
457 views

Is there a minimum number of transactions in a block?

What encourages Bitcoin miners to include lots of transactions in blocks in the Bitcoin blockchain? It seems like you could quickly add a block with just a single transaction and get the block reward ...
0
votes
0answers
20 views

should i can use my coinbase 12 backup phrase into blockchain wallet?

i have one question in my mind i can able to recover my wallet of coinbase using 12 backup phrase into blockchain wallet it will be accept it? and restore my all crypto of coinbase into blockchain ...
0
votes
0answers
16 views

Run specific RPC commands in PHP?

I'm trying to get the balance of a specific address in my PHP session, I currently have this: <?php require 'header.php'; include 'Includes/Bitcoin/easybitcoin.php'; $bitcoin = new Bitcoin('...
3
votes
1answer
35 views

Malicious full nodes causing denial of service attacks

To control >51% of the mining power in bitcoin is impractical due to the immense investment that will be required. Also, The Bitcoin Core client has DoS protection against malicious nodes forwarding a ...
0
votes
2answers
29 views

Bitcoin Core frozen trying to sync and/or connecting to peers

I downloaded Bitcoin Core directly to my laptop and sent BTC to what i believe is my wallet. The BTC is no longer in my senders wallet and I do not see it in my bitcoin core wallet. It was working ...
1
vote
1answer
100 views

Why are only specific transaction types accepted into the mempool?

In the Bitcoin Mainnet, only specific transaction types are accepted: Bitcoin uses a scripting language to specify (and satisfy) the encumbrances, thereby allowing a whole host of transaction types....
2
votes
2answers
374 views

How can I hide my bitcoin transactions to protect anonymity from others?

Please take a look at this transaction link of bitcoin : https://www.blockchain.com/btc/tx/28d2e2117c9c19f9134225169365dd7c1dbb2051674cab373618b0796ac4zzzz My bitcoin address is : ...
1
vote
1answer
23 views

Do bitcoind and bitcoin-qt resume blockchain downloading from the same place?

This is a multi-part question. I downloaded source code of bitcoin core from github and compiled it on my Windows 10. Then I got bitcoind and bitcoin-qt among other commands. I first run bitcoin-qt ...
0
votes
0answers
21 views

Bitcoin was sent out and still hasn't been received

I sent bitcoin out to a segwit address (P2SH) and it split the transactions in 2 but I still haven't seen them delivered in into the wallet
6
votes
1answer
292 views

How to test if a transaction is standard without spending real money?

The problem with Testnet is all types of transactions are allowed, so how can I know if a transaction would be rejected on mainet ?
0
votes
1answer
26 views

What did Deepbit to make their inputs special on transactions?

It seems Deepbit uses a strange format for it’s transactions on the addresses it owned. For example, in this transaction all inputs but 3 comes from Deepbit. Even Bitcoin core can’t decode addresses ...
0
votes
1answer
14 views

Bitcoin QR code on a product sold in stores [closed]

How and which company do i turn to implement a QR code for bitcoin on a product sold within stores.
0
votes
0answers
11 views

What is the purpose of having multiple confirmations for Bitcoin? [duplicate]

For example, why does Coinbase require 6 confirmations for a Bitcoin transaction to be awarded instead of just 1? Is 1 confirmation not proof that the transaction is legitimate? Or is there something ...
0
votes
1answer
34 views

What is the fastest way to research Bitcoin block chain?

I would like to do some research of the Bitcoin blockchain. Because i would like to do massive amounts of processing and lookups, I need a fast way to search the blockchain. Http requests to insight....
0
votes
1answer
29 views

Can the Bitcoin halving be delayed?

Currently the next halving date is May 2020 (provisional) according to enter link description here. I understand that every 210k blocks, the block reward is halved and this works out, roughly, to ...
0
votes
0answers
9 views

Coinbase “convert” API?

I use the convert functions at coinbase to take advantage of market changes to increase my position amounts. This weekend I am going to write a php script that tracks the available conversion pairs ...
0
votes
1answer
29 views

Send coins from bitcoind full node to lnd without fee?

I'm trying to fund my LND node, for that I put some dust on my BTC wallet address and now I want to send to my LND wallet address but when I try to send with fees "paytxfee": 0.00000000 returns an ...
0
votes
1answer
19 views

IoT to Hyperledger Fabric, and Tracing / Certifying data

I'm thinking about IoT and Blockchain to certifying data. My blockchain is not public, and it has 3 nodes. I use Hyperledger So, I have a sensor, that is a light blockchain client, not powerful ...

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