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1answer
4 views

Lost Funds on my lightning node?

I've been using lightning network daemon (LND). In an effort to have a balanced node with somewhat equal amounts on both side of my channels, I've sometimes opened channels with the command lncli ...
0
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1answer
11 views

Bitcoin wallets- question about control and centralization

Community, Just a quick simple question very important for me to understand about the security of wallet types. Are there bitcoin wallets which can shut down and block/freeze/control your bitcoin ...
0
votes
1answer
10 views

Bitcoin future mass usage for payments - how feasible is it without real privacy

The bitcoin is by many people believed to be used as a method of payment, just like fiat currencies, in the future. Apart from the other big use case of a stable store of value. But the payment use ...
0
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1answer
18 views

Bitcoin privacy - current state of privacy BIPs - is mimblewimble broken?

Community, what is the current state of privacy related BIPs? Anything on the roadmap by core devs to be deployed on main chain within the next year? IF yes, could you link me to this BIP(s)? And ...
0
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1answer
18 views

Help signing a P2WSH Multisig

I'm trying to construct a transaction in regtest mode that spends from a P2WSH 2-of-2 multisig. Here is the funding transaction for 5 btc. It also contains a change output for 5 btc. ...
1
vote
1answer
24 views

How can I find a hash with leading zeros

I came across a similar question that was asked but the answer didn't seem quite complete. Coding is completely foreign to me and I have spent some time trying to solve with no success. I am trying ...
0
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0answers
6 views

Generate Neo address from key

How Neo generates address? Are C# sources on https://github.com/neo-project/neo but I can only compile this library with neo-vm library but I can't run caller for it. Are samples: address ("...
0
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1answer
16 views

Bitcoin Private Key question

Thanks for your great content. I've got a question regarding Bitcoin Private Key. If a hacker stole a Private Key and took possession of the coins by entering the Private Key into his own preferred ...
0
votes
1answer
14 views

Unexpected behaviour Bitcoin RPC getbalance

I am seeing a smaller amount of BTC when I run ./bitcoin-cli getbalance compared to ./bitcoin-cli getbalance "" Here is the documentation on GetBalance from the BTC wiki, which highlights why I am ...
0
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0answers
14 views

How to decide whether to create nodes only for mining or to make nodes miners? [on hold]

I am trying to implement my demo blockchain and I have a question please. Is it better to create some nodes only for mining or is it better to make normal nodes as miners? What is the correct logic ...
1
vote
1answer
21 views

Does getblockcount return the correct block count when running in prune mode?

I am currently running a bitcoin node with prune=550. The getBlockCount from $ bitcoin-cli getblockcount does not match https://blockexplorer.com/api/status?q=getBlockCount. As I understand it, the ...
0
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0answers
13 views

Is it possible to use Bitcoin-core for multisig? Can it handle change addresses?

I have tried to import three xpub in a watch-only wallet and to fill the first address but when I try to spend, there's an error instead of creating a psbt. I have generated three xpub: pubkey1 ...
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1answer
29 views

Non SegWit P2SH bytes structure

I'm working on a bitcoin block explorer in golang, in which I'd like to gather as much informations as possible about transactions. I am able to extract addresses from every type of output, and mostly ...
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0answers
15 views

Creating beck32 address on bitcoin core automatically generate another address on lightning network

my lightning network backend is bitcoind. Interesting when I execute getnewaddress label bech32 another bech32 address is automatically generated. I found it because at the lightning network console ...
2
votes
1answer
22 views

Can a node broadcast a valid signed raw transaction while still syncing?

Built and signed a native bech32 UTXO, but when I attempt to broadcast from my testnet node using the command sendrawtransaction it returns "missing inputs". I don't have the private keys in my wallet,...
0
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1answer
18 views

What is the scriptCode in a P2WSH transaction?

Let's say I am spending from a 2-of-2 multisig with this script: ...
0
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1answer
30 views

Bitcoin payment sent and confirmed, but not receieved

I have sent bitcoin before without any problems, but I just don't know what went wrong with this transaction. On my side the bitcoin transaction is confirmed and when I search up the transaction id on ...
0
votes
1answer
13 views

Delete a specific private key from an Electrum 3.3.8 wallet via the command line?

I imported a few private keys into my electrum wallet via the command line. Now I want to delete these specific private keys from electrum 3.3.8 - What is the command to delete these keys from my ...
0
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0answers
19 views

Is Wallet softwares safe? then how verify?

Some day, I thought that there are may fraud wallet to steal bitcoin. It is really very achieved as following: User should make a keypair at first time. at this time, wallet software can send ...
-1
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0answers
8 views

Is RIMarket bitcoin brokers [on hold]

I am trying to get bitcoin from RIMarkets but they are asking for my copy of passport, utility bill, bank statement and they had the copy of my visa card and my signature. Is this normal, should i ...
0
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0answers
15 views

I want to send Bitcoin to a wallet. That wallet is to receive the bitcoin at a future date [duplicate]

As the title says I want to send Bitcoin to a wallet. That wallet is to receive the bitcoin at a future date. Basically I'd like to hodl some of my Bitcoin to be paid to my Children far into the ...
1
vote
1answer
18 views

Why does it make sense for mining pools to send empty blocks to miners in Stratum v1?

I am reading the recently released specs of Stratum v1 versus Stratum v2. One of the features is that "it is equally as efficient for pools to send full blocks for miners to begin working on as it is ...
1
vote
1answer
23 views

Can a non-miner third party help other people's transactions to confirm faster?

If I recall correctly, in 2017, when the mempool was full, there were some guys bumping other people sent transactions that were stuck in the mempool. Is that possible? How does that work?
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2answers
48 views

are official bitcoin core released compiled with zmq in general?

I installed the binary and try to listen to ZeroMQ stream. But I got nothing out. Then I installed ZeroMQ but still got nothing. https://bitcoin.org/en/release/v0.17.1 so, are official bitcoin core ...
0
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0answers
19 views

How to watch and use addresses generated from xpub

How to watch the addresses generated using xpub for incoming transactions? and Create transactions to send bitcoin to another address. var bitcore = require('bitcore-lib'); var Address = bitcore....
0
votes
1answer
14 views

Mobile app for bitcoins? [on hold]

Is there a mobile app that I can use to buy/sell bit coins? Would it be useful if I create one?
1
vote
1answer
14 views

getbalance says 0 for incoming TX even though 0-conf is allowed

> $bitcoin_rpc.getnewaddress("myaddress", "bech32") => "bc1q9kvfyjxtk9tvkzgpkf4x8zs42sddwlyanz3z6z" > $bitcoin_rpc.getbalance => 0.0 > $bitcoin_rpc.getbalance("*", 0) => 0.0 &...
0
votes
0answers
13 views

How can I upload a small (<100kb) file to Bitcoin SV scaling net? [on hold]

I’ve seen that bitcoin sv has a scaling network, and I would like to upload with it. But, I’m not sure if the same tools are available to run on my computer. I have my node running and am mining. How ...
0
votes
0answers
23 views

Bitcoin core wallet

My old computer was trash my new computer btc core wallet with my private keys and password I made my backup wallet locked I forgot my password how can I find my password please help
0
votes
0answers
20 views

How much is 1 bitcoin worth in dollars? [on hold]

What is say, 1 bitcoin equivalent to in American dollars?
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2answers
40 views

Bitcoin mining process

Can someone please explain these fuzzy understanding? I am trying to implement my proper demo application of blockchain, but now I discover that many concepts are not that clear.. 1- how do miners in ...
0
votes
0answers
20 views

Methods “generate” and “generatetoaddress” not available in Dashd in regtest mode

I'm running dash-qt v0.14 on Mac OS Catalina in regtest mode with the following configuration file: server=1 daemon=1 rpcuser=test rpcpassword=test rpcport=18445 regtest=1 I'm sending the following ...
0
votes
0answers
8 views

Move Bitcoin from account '' to default account

I am running Bitcoind and Bitcoin-cli for my RPC. When I run ./bitcoin-cli getbalance it does not return my correct balance, but when I run ./bitcoin-cli getbalance '' I can see all my funds. ...
0
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0answers
22 views

How to calculate nBits from difficulty?

I've created some code for generate target from difficulty. var maxTarget = (double)Diff1; // Diff1 is BigInteger var target = new BigInteger(maxTarget / difficulty); return target.ToString("X"); ...
0
votes
2answers
20 views

Bitcoin mining process-the leading zeros before the hash-how is the mining puzzle solved exactly?

Can someone please explain: In Bitcoin proof of work, mining is done to create and validate new blocks. Who becomes the sole block producer is subject to winning a "mining puzzle". As I understand, ...
0
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0answers
10 views

Which Bitcoin simulator can i use where changes in nonce size is possible?

I want to run a Bitcoin simulation in which I can have double nonce running in a loop on the block header, and I can also change the nonce sizes. which simulator can I use for this?
0
votes
1answer
46 views

Property based tests have been added to Bitcoin Core. What are they and could they replace some of the unit tests in Bitcoin Core?

Property based tests have been added to Bitcoin Core. This Dev article describes property based tests as randomized unit tests that in some cases could replace unit tests. "Generally speaking, ...
1
vote
1answer
15 views

What is the threat model of a Bitcoin HSM / Hardware Wallet?

There are many devices available which purport to allow for the secure storage of Bitcoin in adversarial environments, such as compromised computers or potentially untrusted host devices such as ...
0
votes
0answers
11 views

How to get beas fee per kilobyte of next block

I am requried to give customer the best fee in next block. Current,I find 3 solutions to get fee. using rpc method estimatesmartfee using history block using rpc method getblocktemplate Which or ...
0
votes
1answer
25 views

Is it actually possible to install Bitcoin full node on a Raspberry Pi 3B+?

A Raspberry Pi 3B+ has only 1GB of ram and this official Bitcoin Core page shows that minimum requirement is 2GB ram and 200 GB storage with 100MB/s read and write speed. But I see a lot of articles ...
1
vote
1answer
13 views

Fast way to get details of all transactions in a block

I would like to extract all transactions in history. What I'm presently doing is calling getrawtransaction and than decoderawtransaction for each transaction in the block. This works, except that the ...
0
votes
0answers
21 views

Bitcoin testnet connection with node.js Api bitcoind v0.18.0

I can connect mainnet but can't testnet. I use bitcoin-core npm package. my client configuration: var client = new Client({ network:'testnet', host:'x.x.x.x', port:'18332', wallet: 'x.dat', username:...
0
votes
1answer
18 views

How to use blockstream's REST api to retrieve JSON output on an address?

I have a bitcoin address and I want to get the JSON format of the balance using blockstreams api service. It's this one: https://github.com/Blockstream/esplora/blob/master/API.md#transaction-format ...
0
votes
1answer
12 views

how the miner start to count the timestamp to insert in the block

I have a doubt, how the miner starts to count the timestamp to insert in the block. An example the timestamp insert inside the genesis block is 1/3/2009, 7:15:05 PM GMT+1. If the genesis block would ...
1
vote
1answer
24 views

RPC errors raised by each command

Coming from this question, is there any comprehensive collection of what errors can each RPC command return? For example. Let's say I want to run getbestblockhash or getblockcount. I'm unsure about ...
2
votes
2answers
180 views

Is Segwit really safe and reduced?

In the Segwit rules, transactions propagated to legacy node doesn't have any signature. so it will be valid as well as in terms of fresh node(supporting Segwit). First question: In this point, if ...
2
votes
1answer
27 views

“private” agreement between two c-lightning nodes on channel closure fee

When i was at LNConf, one of the devs of c-lightning (IIRC) told me that there is a custom, manual way to agree between two nodes on channel closing fees. Can anyone elaborate how this is possible? I ...
1
vote
0answers
19 views

why is bitcoind daemon occasionally stuck at `Opening LevelDB in …/.bitcoin/chainstate`despite clean shutdown

My bitcoind daemon sometimes takes an hour to go past Opening LevelDB in .../.bitcoin/chainstate After googling a bit, i thought it was simply an unclean daemon stop causing a leveldb corruption. But ...
0
votes
0answers
18 views

How to get concerned specific unspent(coin selection algorithm) from list of unspents in a wallet to calculate transaction size

I have a problem to calculate dynamic transaction fees. The problem which i am facing is to calculate the transaction size. When i have one unspent in my wallet it is too easy to calculate transaction ...
1
vote
0answers
20 views

Is it feasible to prove the density of found hashes and could that be valuable?

Background When a miner claims a certain hash power and timestamps a block they solved, they are making a claim that a certain amount of time has passed since they received the previous block. ...

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