All Questions

0
votes
1answer
17 views

Is it possible to generate(mine) a block with specific transaction via bitcoin-cli on regtest?

I want to generate a block with specific transaction via bitcoin-cli on regtest. The "generate" command does not have the option. It collects transactions in mempool by the default rule. I guess I ...
0
votes
1answer
19 views

How find own address in testnet using bitcoin-cli?

I have bitcoin-core installed, I am running it in testnet mode. Now if I want to fund my wallet, I need to know the receiving address. How do find my receiving address, so that I can fund it and then ...
0
votes
0answers
8 views

Electrum Linux run without sudoers installation

How to easy run Electrum wallet without its installation on Linux? I want to run it from a single user account with no sudo. It is possible?
2
votes
0answers
10 views

minimum hash rate of a pool to earn a reward

how much minimum hash rate of a new bitcoin pool should be to be able to compete with other pools to earn a reward? how can I calculate that value? any help appreciation
2
votes
1answer
35 views

How can block time and block size be fixed when transaction volume is constantly increasing?

As I understand it the network rejects blocks over 1MB, and block hash difficulty is set after each block is created as to keep the block time close to 10min. But if people are constantly joining ...
0
votes
3answers
50 views

How to “cash out” of the Lightning Network without closing channels?

I am working on an ecommerce site that accepts lightning payments and was curious about how to "cash out" to pay vendors without closing channels to customers. I was planning to run two LN LND nodes ...
0
votes
1answer
37 views

what happens if a miner include a transaction already exists in another block?

Suppose that I have a Transaction A. (txA) I send my txA to bitcoin network and full node validate it and put in Mempool and starts to broadcasting it. A Miner A connect to a fullnode to create a ...
0
votes
1answer
52 views

How to turn my bitcoins into legal money

For a while now I have been mining and have now got 5 Bitcoin which I'm ecstatic about as it means once I have the money for it, I'll be £13k richer and can put a deposit down on a house. Whilst I ...
0
votes
1answer
21 views

What is entropy mean in this context?

"The Bitcoin nonce forms part of the block header, which is used by miners to provide entropy as part of the Proof of Work process, to try and find a hash meeting the difficulty requirement." Quote ...
1
vote
1answer
44 views

Are sipa's standardized schnorr signatures incompatible with blind signatures?

Here, sipa proposes a standardization of schnorr signatures: https://github.com/sipa/bips/blob/bip-schnorr/bip-schnorr.mediawiki For example, sign() returns Sig{R,s} which can be encoded with 64 ...
0
votes
1answer
26 views

Please help me to understand lightning-cli getinfo more

I have now clightning running for a month. I watch very often lightning-cli getinfo Here I found in the first three weeks: "msatoshi_fees_collected": 0 A week ago it changed to "...
0
votes
1answer
55 views

Generator Point G multiple

if in a curve y2 mod p = x3+ 7 mod p ( ecdsa-secp256k1) p=115792089237316195423570985008687907853269984665640564039457584007908834671663 G=...
0
votes
1answer
22 views

bitcoin's PoW, real time of creating one block

i learn that bitcoin is created every 10 minutes and if block is created faster than 10 minutes, Difficulty will increase. and study deeper, mining process is finding nonce that start 0 to increase 1 ...
1
vote
1answer
30 views

Lightning Network: node image

When browsing explorer.acinq.co, I noticed some nodes display an icon image in front of their name. How can I configure such an icon for my own node with LND?
0
votes
0answers
20 views

bitcoin-cli “Could not connect to the server”

Brand new Raspberry Pi mainnet node following this walkthrough: https://medium.com/@meeDamian/bitcoin-full-node-on-rbp3-revised-88bb7c8ef1d1 When I run this command: bitcoin-cli -rpcuser=username -...
1
vote
2answers
29 views

Trying to understand why hash value is more secure from hash algorithm

I am currently studying in college in the US and was actually curious about bitcoin and cryptocurrencies as a whole. I started looking on free university sites like Stanford university and New York ...
1
vote
0answers
23 views

where is located the implementation of getaddressutxos method of litecoin rpc

Hi I have started to play with litecoin node making queries via rpc using litecoin-cli. There are some methods that caught my attention and have something related to "addressindex" these are: ...
1
vote
1answer
33 views

How to discover startup flags or command-line options for bitcoind?

I'd like to query the Bitcoin daemon (bitcoind) to find out what startup flags (command-line options) were sent to it on startup (or the current state if it has changed, e.g. -server=0/1 changing). ...
0
votes
1answer
15 views

Create Output with a bunch of input

I want to spend 1 bitcoin, And I can reach this amount with 3 inputs. for example: 1 input = 0.5 btc PB mypubkey_1 PK mypkkey_1 2 input = 0.4 btc PB mypubkey_2 PK mypkkey_2 3 input = 0.15 btc PB ...
1
vote
0answers
24 views

Creating a tunneling (wormhole) service for bitcoin wallets

Zcash recently announced a new wallet and service to connect mobile devices to a node running on a private home network using a tunneling service they are calling "wormhole" (1). Basically it is ...
0
votes
1answer
23 views

Should Electrum users give out their master public key?

I have seen a recent service advertising that users can turn their Electrum Wallets in to a "Cold Wallet" by providing the 3rd party service the Master Public Key from the Electrum wallet. Ignoring ...
0
votes
0answers
12 views

Creating a bitcoin simulation

I want to create a bitcoin simulation where I can simulate information propagation similar to that of the real bitcoin network. I would then like to change how information propagation works in this ...
0
votes
0answers
14 views

Can “Ring Confidential Transactions” be an alternative to “Zero-Knowledge Proofs”?

According to the Monero's paper on Ring Confidential Transactions, the Ring CT protocol is a currency which: requires no trusted setup, hides the identity of the recipient of a transaction, ...
0
votes
1answer
25 views

Recovery of lost bitcoin

i have my wallet id and bitcoin address in a safe but deleted from all electronic gadgets. So how do i recover my bitcoin by using these said method please advise.
0
votes
0answers
13 views

Is “Ring Signature” used in “Confidential Transactions” of the Bitcoin?

According to the Ring Confidential Transactions research paper of Monero (Link to the paper), in section 1.5. Ring Confidential Transactions Overview, it is mentioned: "We describe a modification ...
0
votes
1answer
18 views

Is this a genuine bitcoin minning app? [on hold]

Please can someone explain if this is a genuine app for bitcoin mining?
0
votes
0answers
12 views

How to create an application which constructs a transaction using `bcoin` (javascript)?

I am new to development. I am working on a project and I am trying to use bcoin. I want to create an application which has a UI, where the user will be asked to enter Destination address and amount. ...
0
votes
1answer
17 views

Change address after payment

Presume that I have 1 BTC (the total of my UTXO) and I have to pay Bob With 1 BTC. I set 0 for fees. My Input is 1 and my Output is 1 versus Bob or there are always 2 outputs? one versus Bob and ...
0
votes
1answer
33 views

Remote SSH connection to Raspibolt Lightning Network Node

I am trying to establish a remote SSH session using Putty into the Raspberry Pi running my Lightning Network node without success (connecting from the local network works fine). The related port of ...
0
votes
0answers
10 views

How to sign an omnilayer transaction without setting up omnicore node in NodeJs?

It seems that i'm able to do all a wallet endpoints could make with omniexplorer's API here: https://api.omniexplorer.info/#request-v1-properties-gethistory-property-id except not knowing how to sign ...
0
votes
2answers
35 views

Is there anything preventing Lightning Network from passing embedded data in OP_RETURN?

As long as you pay a BTC fee for all the routing node incentives and the last layer in the onion routing includes a transaction with OP_RETURN, wouldn't that allow using OP_RETURN for various ...
0
votes
0answers
15 views

Is there a way to get a character string beginning with xprv with confirmation 2, sample account B

I am trying to access the wallet information using the following blockchain.info API. https://github.com/blockchain/api-v1-client-node/tree/master/MyWallet However, there is a difference for each ...
2
votes
0answers
17 views

how does PACKAGE_NAME defined and used in bitcoin source code?

In bitcoin source, I found a variable named PACKAGE_NAME, how does it works?
0
votes
0answers
19 views

Electrum saying Not enough funds

I’m trying to send bitcoin out of electrum to a different wallet and unlike the past it’s not confirming and saying not enough funds. I raised the fee bar all the way to the highest but it still says ...
1
vote
1answer
20 views

How has the hash rate for bitcoin continued to increase despite price drops and miners dropping out?

Despite price dropping in 2018, the hash rate for bitcoin tripled from around 15 EH/s to 45 EH/s. Why is this the case? I am aware that the network difficulty adjusts meaning that if miners drop off, ...
0
votes
0answers
13 views

Developing omni USDT wallet APIs?

Is it me or does anyone find references to developing Omnicore USDT wallet REST APIs really hard to get? I'm looking to develop 5 standalone APIs which are: 1. POST: Send Transaction (signs and ...
0
votes
1answer
14 views

Requesting a node's peers list

When joining the bitcoin network, you request a list of peers that a node has so that you are able to connect to those peers if you wanted to, in order to be better connected. Is there any way that ...
0
votes
1answer
23 views

Chain Code from Ledger Nano S

The question is basically in the title. Can I (or it is possible to) extract the chain code from a ledger nano s device? It doesn't have to be the Master Chain Code. Any of them will do.
0
votes
2answers
33 views

Why is there a finite amount of bitcoin addresses and how is the range of possible addresses determined

My first question is what the precise logical/theoretical reason is that there are only a fixed amount of possible bitcoin addresses. Secondly, I can generate a bitcoin address by using address(sha256(...
0
votes
1answer
26 views

How to close stale lightning channels with c-lightning

I was running a lightning node using c-lightning about 9 months ago. Unfortunately the server was shutdown while a few channels were open. I have restarted the server and updated c-lightning to the ...
0
votes
1answer
58 views

Homework problem on Blockchain and Merkle trees

This is a question from a stanford course(http://cs251crypto.stanford.edu/18au-cs251/hw/hw1.pdf). I think that Alice needs to send all the k blocks (containing the transactions) to Bob so that Bob ...
0
votes
1answer
26 views

Bitcoin curl no reply

Hi I have made a curl to my server but get no reply . What am a missing rpcuser=rpcusername rpcpassword=rpcpassword rpcauth=rpcusername:generatedkey daemon=1 server=1 rpcport=8332 rpcbind=0.0....
0
votes
1answer
14 views

json-rpc and p2p port protocol type

What type of port protocol do json-rpc and p2p use? does it use TCP or UDP? If possible, can you config or reprogram the open-source and compile the source to use TCP only if it also uses UDP?
1
vote
1answer
40 views

How can i look into the Blockchain

I have read that the blockchain is a public ledger with all transactions of a decentralized community, furthermore i read that everyone can check that ledger for transactions that happened within the ...
0
votes
0answers
11 views

public network in blockchain [on hold]

I would like to ask about blockchain network from programmer point of view. How could I create P2P network that is public? What I need for that? I was able to create local network where I can send ...
-1
votes
0answers
17 views

Dogecoin AuxPoW blocks' hashes point to nowhere

Most Dogecoin blocks are mined by AuxPOW. We tried to connect them with Litecoin's ones. Well, some part was easy to deal with. For example: #./dogecoin-cli getblock ...
0
votes
0answers
14 views

Private Blockchains: Blocks’ validation

I’m a software developer and I’m trying to understand blockchain at a code level I have the following issue: There’s a private blockchain, this private blockchain does not have any relation to ...
1
vote
2answers
39 views

What is a good hardware for a lightning network node?

What is the hardware setup you use for your LN node? Is a Raspberry Pi 3 enough for testing and playing with small amount of funds?
0
votes
1answer
41 views

How to send a payment through a route saved in a json?

From lncli network=testnet sendtoroute -h: NAME: lncli sendtoroute - send a payment over a predefined route USAGE: lncli sendtoroute [command options] [arguments...] DESCRIPTION: Send a payment over ...
0
votes
0answers
20 views

Extending a parent public key to create a child public key

I want to create public key from parent e public key like this: In this picture I can see left 256 bits and it's become 264 after "sum" with parent public key. But 256 bits what is it? When ...

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