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0
votes
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 ...
9
votes
1answer
115 views

Can we construct a UTXO which is spendable only via proof of work?

Do the current Bitcoin opcodes and transaction size limit allow constructing a UTXO which is only spendable if a specified amount of work has been performed? So the spender, would provide a nonce as ...
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
votes
1answer
11 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
votes
1answer
19 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
votes
1answer
12 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
19 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
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 ...
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 ...
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?
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
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
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 ("...
1
vote
1answer
42 views

Bus error (core dumped)

Running a new install of Ubuntu 18.04.3 LTS and downloading blocks in bitcoin-qt up to over 70% when pgm quits with "Bus error (core dumped)". Anyone else gets this or how to fix it? (-rescan didn't ...
3
votes
1answer
44 views
+350

Configure esplora to point to the bitcoind servers ip address

I have 2 servers running: Ubuntu 18.04 running bitcoind daemon (v0.18.1 full blockchain synchronized) Ubuntu 18.04 running esplora (the local single page website works, but it has no data from the ...
0
votes
1answer
100 views

Expected property “0” of type ECPair, got p

When I'm trying to create a wallet in react app using the following code: const seed = bip39.mnemonicToSeed(mnemonic); const master = bitcoin.HDNode.fromSeedBuffer(seed, "testnet"); I got error: ...
0
votes
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 ...
0
votes
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 ...
0
votes
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 ...
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
votes
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
votes
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
votes
2answers
78 views

Is it possible to create a wallet service, which doesn't have all the blockchain downloaded?

Is it possible to create a wallet service, which doesn't have all the blockchain downloaded? Like not running a full node itself?
1
vote
2answers
1k views

Restore Wallet From Jaxx to Coinomi: ETH missing (but BTC and LTC are fine)

I have some BTC, ETH and LTC in a wallet created with Jaxx, but I want to use Coinomi instead. I downloaded Coinomi and chose Restore Wallet and entered my 12 words. My BTC and my LTC popped right up, ...
1
vote
1answer
44 views

How to programmatically send Bitcoins without requiring a local copy of the blockchain?

I'm quite new to Bitcoin development! I've seen the documentation about RPC commands, available when you have a local copy of the blockchain. But I'd like to know if it's possible to create and ...
0
votes
1answer
40 views

Does bitcoin core 0.18 support bip44,bip39 (HD wallet)

I am new to bitcoin. Struggling to implement HD wallet. goggled for the same but did not get satisfied answer. Can we create multiple seed in single bitcoin core server? If yes, then how we can ...
0
votes
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
votes
1answer
39 views

Can two bitcoin chains co-exist if one copied the code and ran a parallel chain?

If someone forked the code without changing any of the fundamental properties and connected nodes / miners, could they not disrupt the main (original chain)?
0
votes
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
37 views

Can a Trezor accept/use a private key created independently offline?

Can I create a private key using bitaddress.org offline and then use that private key in a trezor wallet? Also will the trezor use that private key to produce a mnemonic phrase?
2
votes
1answer
46 views

Local balance query for Bitcoin address

I would like to be able to query the balance of an address (not belonging to me). The data should come from a fully synced bitcoin full node inside the local LAN and I do not want to query any api ...
0
votes
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
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
votes
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
votes
1answer
34 views

Exchange or straight to gamble providers? [on hold]

Do you exchange currencies first or go to casinos and do it there. Is there a differene?)
0
votes
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 ...
0
votes
1answer
47 views

Need to use two bitcoin core but issue with syncing

Need to know how we can use two bitcoin node for example. I do have two bitcoin full nodes A and B. Created wallet address at A and has all transaction details at wallet.db in node A. But I need to ...
0
votes
1answer
26 views

Where can I find a usefull log if bitcoind stopped for no apparent reason?

I am running bitcoind (Bitcoin Core) on a Raspberry 3B and the process occationally "disappears" from the list in top. The log debug.log shows no etries, last entry is usually something like 2019-11-...
0
votes
1answer
149 views

Bitcoind doesn't start

Im trying to make Stadicus guide work for both Bitcoin Core & LND I did download the blockchain and moved to the HDD on my Rasp3 However, when starting the bitcoind service, im having this debug....
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
votes
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?
0
votes
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 ...
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. ...
1
vote
2answers
27 views

what is the most suitable time interval for updating information on a block while mining the block

So, Bitcoin block consists of some static (magic number, version, previous hash...) and dynamic (timestamp, Merkle Root, transaction count and transactions) elements. What I don't understand is if we ...
10
votes
8answers
7k views

A “Bitcoin for dummies” guide?

I would like to introduce a number of people that are not necessarily tech-savvy to Bitcoin and instruct them how to make their first payments. Is there some "Bitcoin for dummies" guide that I could ...
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
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 ...
2
votes
1answer
103 views

Bitcoin and encryption

To the best of my understanding Bitcoin uses encryption to create the digital signature, basically, by encrypting the hashed message (transaction?). Would like to get your expert opinion to my claim ...

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