All Questions

1
vote
1answer
41 views

Bitcoin Script: mandatory-script-verify-flag-failed Script failed an OP_EQUALVERIFY operation

I try to spend a P2SH transaction (in regtest) with a timelockscript of 200 blocks. I got the following error: mandatory-script-verify-flag-failed (Script failed an OP_EQUALVERIFY operation) (...
0
votes
1answer
34 views

COINBASE: Sent BTC but Address had changed and cannot spent the fund [on hold]

I sent bitcoin to my coinbase address but I didn't know that every transaction, the address changes. My Coinbase account doesn't show my deposit, have I lost the bitcoin? Is it possible to get it ...
2
votes
3answers
91 views

Does a LN route with N channels at most require N-2 fee payments?

Assume we have a route n1 -> n2 -> n3 -> n4. My intuition here is that n2 charges n1 a fee and that n3 charges n2 a fee for routing payments. However, there's no fee for the last hop where n3 ...
0
votes
1answer
21 views

Keeping wallet addresses outside bitcoin core

I'm trying to build a good security for my online bitcoin based application. Is something like this possible? send_bitcoin(address) create_address() sweep_balances() + | | ...
0
votes
1answer
24 views

How to tell if Lightning nodes are lnd, c-lightning, eclair

I am performing some experiments on the Lightning Testnet Network. I would like to perform the experiment on the 3 main lightning implementations, for which I would like to be able to connect and open ...
1
vote
1answer
40 views

Why is my LND node closing channels?

I have noticed when running lncli closedchannels, that I have some channels that are closed by my node (close_type: local_force_close). I am quite sure I have not initiated this manually myself. Is ...
0
votes
1answer
13 views

Import / create a Wallet from a key with bitcoind or bitcoin-cli to use as a hotwallet?

i've created a HD Wallet via (https://github.com/GemHQ/money-tree) i would like to take the private key and throw that into my daemon so i can listen on incoming transactions and also transfer the ...
1
vote
2answers
34 views

wondering How to use Bitcoin Parser?

I'm a freshman of bitcoin system and I'm trying to find out how to use bitcoin parser. I downloaded several from internet but they were not work out. Currently I am using Bitcoin Knots wallet and ...
0
votes
2answers
20 views

Connect to bitcoind from a different device within the same local network

I have a full node running on a Linux device (A) with static IP 192.168.1.203 and I want to run bitcoin-cli commands or even eclair instances from a different device (B) within the same local network. ...
0
votes
0answers
6 views

How to install the Omniexplorer

I tried ti install the Omniexplorer from the Github repo over my local omnicore running but isn't working.I followed the README instructions but something is missing There are other dependencies to ...
0
votes
1answer
46 views

How much does a bit coin cost? [on hold]

The reason I ask is because I just received an e-mail from someone who claims to have commandeered my cell phone camera and also my address book. They said they would overlay my picture while ...
0
votes
0answers
23 views

How does transaction authentication between buyer and seller look for?

I am new to cryptography and would like to understand how a digital signature works between a buyer and a Bitcoin seller. How does transaction authentication between buyer and seller look for? Please ...
2
votes
1answer
32 views

How to specify PrivateKey search range in HEX?

I am trying to generate random bitcoin Private_Keys in HEX format (32bit) but I want the randomness to have a value within a specific HEX range, say between ...
1
vote
0answers
29 views

Proof-of-Stake: How to ensure immutability of the blockchain?

In Proof-of-Work, a miner tries to solve PoW puzzle based on the hash of previous block, such that in case of changing block B_i, all blocks after that (blocks B_i+1, B_i+2, ...) are no longer valid ...
0
votes
1answer
16 views

Is it possible to run HD derivation with an encrypted master node or seed?

Given either a seed or the private part of a master node, that is encrypted using AES-256-CBC (or another secured symmetrical cypher) with key K, is it possible to run derivation such as described in ...
3
votes
1answer
86 views

What languages can I write plugins for c-lightning in?

I know that there's a Python library available for writing plugins for c-lightning. What would I need to do to for example use a JVM language like Scala?
0
votes
0answers
2 views

Bitcoin sent to Dream Market is not appearing in my wallet [on hold]

I have sent two separate amounts of bitcoin to my dream market wallet/account and have not received it and 2 days have passed i did notice my deposit address has remained the same if that has anything ...
0
votes
1answer
28 views

What are the steps to overcome a state in which miners couldn't mine blocks?

The difficulty is set according to the total hash rate of the network. Is there a possibility in which miners just can't validate blocks (will not find hash that will satisfy the POW)? I understand ...
0
votes
0answers
12 views

CAN NOT OPEN COPAY APP [on hold]

Since 22 days ago,I cannot open my copay wallet by NETWORK ERROR INDICATION. Please tell me the way to resolve this problem. App versionis 5.5.0。 Thank you.
1
vote
1answer
13 views

Recommended way to automatically retry sending of bitcoin via JSONRPC upon failure

Sometimes when sending bitcoin out, sometimes bitcoind's JSON-RPC replies with a 500 error. I'd like to safely automatically retry, but it seems that there's not way to set a nonce to safely retry. I ...
0
votes
0answers
24 views

Does bitcoin dust fee rule or policy activate in bitcoin testnet?

Does dust fee rule activate in bitcoin testnet? I create a tx in testnet with output is dust,the tx always relayed and go into block, but in main net it report dust transaction error. Why bitcoin ...
0
votes
1answer
33 views

Some general questions about blockchain consistency

I basically understand the principles of a blockchain, nodes and miners. I also basically understand how transactions are hashed/calculated to be added to the chain but i doesnt understand the ...
0
votes
0answers
26 views

Is the connection problem between the Fork Litecoin wallets?

Recently, I decided to check how Litecoin wallets work on UBUNTU and found how to create the Fork Litecoin according to the Instructions. I have two computers, both have a VMware virtual machine ...
1
vote
2answers
49 views

Could not sign Transaction with SignRawTransactionWithKey through the RPC (RegTest)

I am able to sign following transaction with Complete=true result, but when trying to decode signed transaction, it returns error "TX decode failed" both from DecodeRawTransaction and ...
1
vote
1answer
31 views

How many transaction can I broadcast simultaneously?

Let's say I build two transactions, and in the second one I add an input which refers to an output of the first one. Then I broadcast simultaneously the two transactions. Now, I know that in Bitcoin ...
0
votes
1answer
21 views

JSON-RPC get full nodes information

Is there any way to get all full nodes by RPC call? Afaik full node contains information of other full nodes in the network and was wondering how to request that. I red the documentation on Bitcoin ...
0
votes
1answer
34 views

Is Coinbase transaction required to be signed?

I am trying to build a coinbase for mining with the following steps: 1-Create dummy Input and output. 2-Pass them to CreateRawTransaction as collection/ 3-Get a transaction back and fill the empty ...
0
votes
0answers
22 views

Why do people call changed digits in the blockchain a coin or money? How can changed digits constitute an actual item? [duplicate]

The same as all other cryptocurrencies, Bitcoin is just a fancy name for changed digits in a publicly distributed database called the blockchain. It is obvious that NOTHING can appear or disappear by ...
0
votes
1answer
20 views

How to properly use the rpc command `listunspent` with `bitcore-lib` to create a transaction and get the transaction hash?

I am trying to use the rpc command listunspent to get all the UTXOs relevant to an address, and then I am trying to pass it to a transaction, using bitcore-lib. Below is my code: const Client = ...
0
votes
1answer
15 views

Does Multi_Signature transactions enable trust-less payments? (Edited)

This paper: (Link to paper) introduces a blockchain based platform entitled PriWatt claiming (in Section 2.5 MultiSignatures, page 3): "PriWatt provides the means to form agreements or contracts ...
0
votes
0answers
25 views

How to receive grin using api

I'm using 2 ways to receive tx, With grin command With api "wallet/foreign/receive_tx" Them both receive the same input file, But both generate different output file, and I can only finalize the ...
0
votes
0answers
16 views

undefined is not an object error when adding BIP39 to React Native

I have a React Native Project and it was worked correctly till I added bip39 package to the project. when i try to require bip39 in my component i get the below error. undefined is not an object (...
0
votes
0answers
21 views

Get Coinbase.com miner fee before sending to another address

I am using coinbase.com php library to send bitcoin to another address. But every-time i am sending bitcoin the fee is shown to me after sending the bitcoin. This is causing me some problem. Is there ...
0
votes
0answers
21 views

bitcoin core: How can I debug any rpc call through LLDB or GDB?

I want to debug "decoderawtransaction" rpc call for learning. I tried it with the following page as a reference but I could not find the way. Can you help me? https://gist.github.com/gubatron/...
0
votes
1answer
22 views

Is there any way to find out latest bitcoin transaction of a particular address in bit-cli, without knowing the txid?

I would like to find out the immediate last transaction of addressA. But so far, I can only do this, bit-li gettransaction <txid> then bit-cli decoderawtransaction <hex> But I want to do ...
1
vote
1answer
76 views

Can I recover my own wallet from the public key? [duplicate]

I made a wallet years back. It has a good amount of Bitcoin then I wiped and sold my laptop. Now somehow I found my wallet address public key. Is it possible to get the private key somehow?
0
votes
2answers
48 views

Bitcoin-core how to get all transactions hashes?

Please, can anyone help me how to get all transactions hashes? How to browse all the transactions hashes used in blockchain? P.S. How simply get a list of all transactions IDs (as a simple text list) ...
0
votes
1answer
28 views

missing USDT transaction in Copay or Bitpay Wallets

I have a missing transaction, a guy sent me a bitcoins USDT, on his side we can see the money went out and the transaction is confirmed, on my side the money are not at my wallet, what I can do, here ...
0
votes
1answer
21 views

RPC calls to LND using curl?

I have a bitcoind and LND server running. I can make RPC calls to bitcoind using curl, like this: curl http://XXX:YYY@localhost:8332 -H 'content-type:text/plain;' --data-binary '{"jsonrpc":"1.0","id":...
0
votes
1answer
28 views

Is there a way to distinguish miner nodes from other nodes?

In the bitcoin network, there are many different types of nodes. One of these types are miners and in the bitcoin network, is there any way to distinguish a miner node from a non-mining node? I'm ...
1
vote
2answers
35 views

NBitcoin, how to implement wallet restoration? How does it work?

at first sorry for my ignorance, I have little experience at bitcoin programming. Im trying to implement a very simple wallet using NBitcoin library. I have done some work, but now Im stucked with ...
1
vote
1answer
29 views

What is the command line command in electrum to get my public bitcoin address from my private key?

I have a bitcoin private key and I want to get the bitcoin address from it. What is the command in the command line for electrum to extract this address?
2
votes
1answer
56 views

Lightning, multiple channels to the same node

With LND, you can open multiple channels to the same node. Is there any advantages to having multiple channels (to the same node) versus having one channel? Eg. one channel with a capacity of 1 000 ...
0
votes
1answer
31 views

I was tasked with installing a bitcoin kernel on ubuntu and I had questions

I was given the task to install Bitcoin bark, to receive payments in the service. I have found some tutorials, but they were not used because they are GUIs. I want to use a bitcoin from the command ...
2
votes
1answer
23 views

Checking whether lightning node is online/visible

I just created my first lightning node and already have one active connection. My problem is however, that I do not see my node in any lightning network explorer. Is it possible to somehow check ...
0
votes
1answer
23 views

Question about UTXO and indivisibility

I'm reading about the concept of UTXO. Everywhere I read, it says that a UTXO in an account is indivisible. One analogy said: "It's as if you wanted to make a $5 purchase with a $10 bill. You wouldn't ...
1
vote
2answers
18 views

dyld: Library not loaded when running bitcoind on a mac

I'm having trouble running bitcoind on my Mac (Sierra). I previously had bitcoind installed, compiled from source, but had to remove it when I was running low on space. I recently installed Bitcoin ...
2
votes
1answer
21 views

Hashing Transactions for Mining

After reading that Mining involves Taking a root hash of a transaction and combining that hash with a nonce it is required to find a number that is equal or below the given target, i was wondering if ...
0
votes
0answers
17 views

Mining bitcoin applications [duplicate]

Is mining legal I see a lot of different apps to mine and if so after Mining and you see how many did you have gotten how do I add it to my wallet or is it depending on the site I use
1
vote
0answers
20 views

How do I know when a transaction never confirms and is removed from the mempool

I created a light wallet which can receive and send transactions. It works fine in normal situation. My (first) question is what are the situations where things can go wrong ? Is there a reference ...

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