All Questions

0
votes
0answers
5 views

NBitcoin + QBitNinja + Testnet

I am busy building a solution ala. wallet that uses NBitcoin based on the Programming the Blockchain with C#. One of the issues that I am running into is that the calls to do a balance check via ...
0
votes
1answer
6 views

Clightning with BTCpay server failed

I have setup WooCommerce and BTCpayserver in Google cloud, and synced. Test to buy with BTC seems to work. Adding Lightning fails: I modified in BTCpay Lightning nodes in the Store management "...
0
votes
0answers
6 views

bit coin wallet full node storage management [duplicate]

How do you cut down the space of the full nodes downloaded by the bit coin wallet app.what is purning and how does it effect the storage space
0
votes
0answers
7 views

not even one confirmation- still pending after 15 hours [duplicate]

please i am very bothered that my bitcoin blockchain funds which i have sent still showing pending and 0/3 confirmations after like 12 hours. I have sent 9.5 USD and a fee of 0.03 USD was taken. ...
0
votes
0answers
15 views

“Processing blocks on disk” taking forever

I started download the bitcoin blockchain on a 250GB hardrive with prune=0, txindex=1 on bitcoin.conf file. I downloaded like 95% at a rate of around 10% per 8 hours. I didn't have enough free space ...
0
votes
1answer
21 views

How do I know that my Ledger HW Wallet is using receive addresses for my wallet and not another remote wallet?

I'm a paranoid newb, I bought a hardware wallet (Ledger nanos) and have transferred funds to it. I noticed that it generates P2SH addresses, so how could I know if the script hashed is spendable by my ...
0
votes
1answer
10 views

Public key to address [on hold]

I am working in js and I need a library that helps me get an address with a public key stored in a buffer.
2
votes
1answer
12 views

How to obtain the Channel_ID from the Short_Channel_ID?

Is there a way to retrieve the Channel_ID knowing the Short_Channel_ID without using any lightning network explorer? How is the Short_Channel_ID calculated? Is this operation reversible?
0
votes
0answers
14 views

Why spent 50 btc in genesis block? [on hold]

Why anyone would like to spend genesis block btc? At a time btc was worth 0 and probably there is no key to unlock it.
1
vote
1answer
25 views

where in the source code is the the proof of work checking the blockheader hash and nonce?

Where in the source code do we check whether hash(blockheader*nonce) < Difficulty In fact, the line I found is as follows: https://github.com/bitcoin/bitcoin/blob/v0.17.0.1/src/pow.cpp#L87 My ...
0
votes
0answers
8 views

Help with NiceHash 2 [on hold]

I'm using NiceHash Miner v.2 for mining on my desktop PC. But since the last update I can't mine because the program says I need to update the drivers of my GTX 1070, but my GPU is uploaded to ...
1
vote
1answer
18 views

Is it possible to rebalance channels by sending to yourself (from a channel to an other) in c-lightning? How?

I know it is possible with LND and I don't know if it is possible with Eclair. I have tried to issue an invoice and to find a route with the same node but I got the { "code" : -1, "message" : "Could ...
0
votes
0answers
6 views

Stratum server for mining farm [on hold]

Should miners run their own stratum proxy to access the pool with a large number of ASIC devices on the farm?
0
votes
1answer
17 views

How to use -txindex to enable blockchain transaction queries?

I am trying getting the raw of transaction. But I am getting the following error with following command and RPC call as well. bitcoin-cli getrawtransaction ...
0
votes
0answers
9 views

How can I obtain “paytxfee” value to calculate optimal transaction fee?

I've just used btcsuite btcwallet. How can I obtain "paytxfee" value to calculate optimal tx fee depending on tx size, after deprecated "getinfo" command?
0
votes
0answers
21 views

How do we create a web wallet for Bitcoin? [on hold]

Is possible to create an online bitcoin web wallet with a single full node on cloud..??? The working of web wallet like coinbase is use single full node cloud setup for creating multiple wallet ...
-1
votes
0answers
9 views

How to create own deterministic bitcoin wallet using bitcoinjs-lib?

i am working on crypto exchange application for this i want to create own bitcoin,litecoin,bitcoin cash wallets and i am using bitcoinjs-lib 1)hd wallet is suitable for exchange application? 2)if hd ...
0
votes
0answers
9 views

Bitcoin core full node won't start on mac reboot!

I had been running bitcoin core qt for a few months fine and then on rebooting my mac and opening the application the following prompt popped up Error: Cannot parse configuration file: specified data ...
1
vote
0answers
34 views

BIP 47: Bob's first receive address?

I'm trying to create Bob's first receive (ephemeral) address according to the BIP 47 spec after the Notification Transaction has taken place, which I believe to be: ...
1
vote
1answer
13 views

Can 2 blocks have the same previous hash?

Can two blocks have the same Previous hash after being created. 2 blocks totally different from each other but with the same previous hash
1
vote
1answer
18 views

what is the use of OP_PUSHBYTES

what is the meaning of this SCRIPTPUBKEY: OP_DUP OP_HASH160 OP_PUSHBYTES_20 xxxxx....xxxxxxxx OP_EQUALVERIFY OP_CHECKSIG in particular I searched for some documentation on OP_PUSHBYTES_X which only ...
1
vote
1answer
15 views

How can channel policy be missing?

I randomly stumbled upon an example of a channel for which one of the two sides does not have a channel policy. What could be the reason for that? For example, lncli getchaninfo 620048691895336960 ...
1
vote
1answer
59 views

Why hash witness script instead of pubkey script in signature?

When a segwit input is signed, the signature will commit to the witness script (or a p2pkh-like script in case of p2wpkh). This is specified in BIP143: For P2WPKH witness program, the scriptCode ...
0
votes
1answer
27 views

I lost my second wallet password blockchain.om

I lost my second wallet password and I am looking for it. Among them, I used a tool (btc recover) and got the following values. Blockchain second password hash, salt, and iter_count in base64: Yn****...
1
vote
1answer
31 views

I used an old wallet address. Is my coin lost?

I was stupid enough to use an old exported QR code from my Electrum to send bitcoins to, and now I realized the address apparently has changed. The trader advises me the coins have been sent, so they ...
0
votes
1answer
7 views

Blockchain: How do nodes know what Data is correct from Consensus process?

How do nodes know what data is correct from consensus? What about if two nodes execute two different consensus with 2 different Valid blocks with the same height at the same time, can that happen? ...
0
votes
1answer
14 views

Is there any point mixing coins if I were to use an online wallet?

Because when using an online wallet there isn't an address tied to your identity, would there be any reason to mix coins when making a transaction?
0
votes
0answers
6 views

Parameters in a MimbleWimble transaction

I'm trying to get my head around MimbleWimble transactions and I have a few questions in relation to parameters. A MimbleWimble transaction consists of two Pedersen commitments (i.e. money-in & ...
0
votes
1answer
23 views

How data is searched in blockchain?

Alice has 500$ and bob has 1000$. Now alice wants to transfer 100$ to bob. Miners who got the chance to validate the transaction has to check whether alice have sufficient balance or not. where are ...
0
votes
0answers
12 views

How to verify a given transaction was sent by a Green Address?

I have run bitcoind. How do I get the funds sent from Green Addresses? If the transaction is sent by Green Addresses, that can be immediately on receipt with zero network confirmations There are ...
0
votes
1answer
18 views

Setup a full node on server for frond end Wallet

I am a new in bitcoin technologies. I want to setup a full node on cloud server. Also I need to use RPC of this server for front end app.That is creating bitcoin wallet and its further operations(such ...
0
votes
0answers
11 views

How to getbalance for any existing bitcoin address, without long wait

I am new to bitcoin. I've read multiple articles and posts on forums and unfortunately I haven't found the answer I am looking for. Some back story... I just bought a 2TB SSD storage, and installed ...
0
votes
1answer
7 views

Can RBF be done by a third (or second) party

I've been thinking about the following usecase: could a retailer/merchant offer clients a "no bitcoin fees" option when paying with bitcoin? i.e. if something costs 1 BTC on the site, the user will ...
0
votes
1answer
7 views

How to retrieve readable private key from bitcoinjs-lib

I'm still new to bitcoin and experimenting a lot with bitcoinjs-lib in JavaScript. How do I create a readable string from a private key? This is my current setup: const seed = bip39....
2
votes
1answer
34 views

Does LN require an on-chain “emergency lane” to mitigate systemic risks?

According to LN social slides, a fee market (in other word: "congested mempool", to my understanding) is good. But, there's systemic risks around penalty mechanism, so some sort of on-chain scaling (...
0
votes
1answer
27 views

Does a blockchain become opaque if it enable's schnorr-signatures, and require trust in the code?

When you sign a transaction with schnorr-signatures, it does not include the pubkey in the transaction data. 1)Does this mean the input addresses become unknown, aka creating a opaque blockchain ? ...
1
vote
1answer
173 views

Can someone please explain how Lightning paths are working and what effect large centralized hubs have?

Can someone please explain how Lightning paths are working and what effect large centralized hubs have? Dear community, I have read some stuff about lightning and i am really interested to ...
1
vote
0answers
16 views

Blockchain, correction of blocks

How do a malicious nodes correct their blockchain if they have it wrong? If they don’t want to fix it, what happens then?
1
vote
1answer
14 views

How could an LN node acquire inbound liquidity? Is there any systemic risk?

I once heard that LN could support dual-funded channels. It doesn't seem so complicated, but currently, I don't know any LN wallet which supports creating dual-funded channels. By the way, I'm also ...
0
votes
1answer
9 views

When downloading the blockchain my application is become unusable, is there an issue with my code or am I using the BitcoinJ library incorrectly?

I am building a Bitcoin wallet with the BitcoinJ Library, after looking at the example of fetching a transaction that they have shown on their github it shows that you need to download the blockchain ...
1
vote
1answer
26 views

“stable-coins”: A formal definition?

In crypto-currency news, we might heard about term of "stable-coins". Can we define a stable-coin as follows: A crypto-currency that is pegged to a fiat / formal currency to minimize the ...
0
votes
1answer
17 views

as a individual miner's side, how UASF, UAHF agree or disagree is occurred?

UASF is timestamp-based method. after that time, new rules will start. but i have a few question about this. how this rules is accepted by USER? does miner program contains 'yes' or 'no' about this ...
0
votes
1answer
30 views

What is the difference between P2SH redeem script on Bitcoin and on Litecoin?

I am building a service that is based on multisig wallets. My current progress is so that I've implemented the multisigs for Bitcoin network and it works fine. Now I am on Litecoin and I am facing ...
0
votes
1answer
13 views

Bitcoin core and transaction fees

I'm using combination of 'createrawtransaction' and 'fundrawtransaction' API calls to create my transactions. I don't pass 'feeRate' option to 'fundrawtransaction' and rely on bitcoin wallet to figure ...
0
votes
0answers
20 views

Claiming my funds from unspent addresses [on hold]

How do I get my funds from this address?
9
votes
1answer
2k views

Bitcoin automatically diverted to bech32 address

I sent bitcoin to an address starting 3Cn using Electrum but the blockchain viewers seem to show that it has gone to an address beginning bc1 as shown in the link below. Transaction Viewer How can ...
1
vote
1answer
12 views

How to use remote bitcoind with docker

I want to use multiple nodes with the same remote bitcoind. E.g. my node on my desktop, my node on digital ocean, my node on Google cloud ... I don't want to run everywhere a full bitcoind and pay ...
0
votes
0answers
20 views

Bitstamp API to determine is orderId has been cancelled or not?

I am running a trading bot using nodejs to call APIs of some of the popular exchange like Bitstamp. I am unable to find an API which can help me in concluding if an order has been canceled or not? I ...
0
votes
0answers
12 views

Why channel closed automatically

I got this message: I tried looking in the logs. Just prior to the channel closing, seems like there was a temporary network issue and the re-establishment message wasn't received by your node. ...
0
votes
1answer
10 views

channel count differs on my site and 1ML

I wonder why: lightning-cli getinfo;listfunds { "id": "035aef5661e1a6e370db60dc0455796800afd5b51fbc12a0a8b34836b15f5d7ef6", "alias": "TWronald✅", "color": "15c315", "num_peers": 41, "...

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