All Questions

0
votes
1answer
31 views

Question regarding LN node backups

I have LN node running on c-lightning. I am performing ~/.lightning dir backups time-to-time. Let's say after backup i open few new channels and withdraw rest of onchain funds to my electrum. Then i ...
0
votes
2answers
45 views

How do I find out if an address belongs to me

1CK6KHY6MHgYvmRQ4PAafKYDrg1ejbH1cE I believe is an old block chain address of mine
3
votes
1answer
93 views

What does the sequence in a transaction input mean?

Following a transaction input: What is the meaning of the sequence number? What does the 4294967295 tell me?
-3
votes
1answer
38 views

How do miners construct and submit blocks [duplicate]

1) Assume there are 20 nodes in network and all are receiving all transactions. Afterr 10 min they all pick transactions from their transaction pool and start creating a block. Now, will all nodes use ...
1
vote
2answers
29 views

Why getinfo() and listchannels() inactive channel count differs?

I have strange results comparing node information outputs between getinfo() and listchannels() calls. Maybe someone has thoughts what is wrong (with my trivial code or with c-lightning itself): chans ...
0
votes
1answer
54 views

Curl bitcoin protocol for learning?

I'm trying to understand bitcoin RPC Peer to Peer protocol to implement SPV on a web-application that should receive crypto payments. The problem is that on the examples I found, examples are about ...
0
votes
0answers
17 views

How do cryptocurrency exchanges work with so many currencies at the same time?

To implement automated deposits/withdrawals of a single currency for a business there has to be a lot of code in place specific for that currency. For example if I want to automate sending and ...
0
votes
1answer
26 views

Where is the code which rejects transactions with insuffisent balance?

Simple question but I can’t find the answer again. Where is the code which rejects transactions when the value of inputs is below the value of outputs (because I think to recall that check works like ...
0
votes
1answer
22 views

Are there public LN nodes that have some gRPC LND API endpoints accessible for 3rd parties?

My lnd node died but I'm doing some research on lightning channels. So I'm rebuilding a new btc/lnd node, but in the meantime: are there open nodes that I can access, especially for ...
1
vote
1answer
45 views

Bitcoin core wallet's security

When running a bitcoin node on an enterprise level: a lot of addresses will be generated with getaddress RPC for users to send their funds to. As far as I understand, these addresses, as well as the ...
0
votes
1answer
32 views

How to transfer BTC balance when I have Private Key? [duplicate]

I have BTC public address and privatekey with balance. Can I Transfer the balance for another address?
-1
votes
0answers
16 views

Is it possible to create a transaction which both sends to t and z and address?

Simple question but I couldn’t find the answer. Is it possible to do this in a single transaction ? Or do the same with a transaction from transparent input which both have a Sapling and joinsplit ...
0
votes
2answers
67 views

Someone said they would send me bitcoin, they sent me a exe file, called bitcoin.exe, and it is not running

They said they saved bitcoin in that exe file. How do I access this bitcoin? They also created other bitcoin exe files with different names. Thank you
0
votes
0answers
26 views

What happens if a mimblewimble transaction gets combined into two different transactions before being posted?

Let's say a couple people create Transaction A and instead of dandelioning it to just one person, they dandelioned it to 2. Let's say further than transaction A then gets combined with transaction B (...
0
votes
1answer
25 views

bitcoind bulk import private keys to different wallets and update with one rescan

I was wondering if someone already has this thoughts or problems: I generate bitcoin addresses and private keys by a script - to not depend on the bitcoin daemon and manage them in a database. By ...
0
votes
1answer
81 views

I mined in early 2010 with a cpu miner and just found my keys after forgetting all thease years, no joke need info please

who is the best most reputable bitcoin recovery company? I have added details and questions about our situation below Thank you And God Bless what was the mining program from the devs back then? I ...
-1
votes
0answers
22 views

Need help understanding whats happening as i am very new at this [duplicate]

I need to know what is happening with my bitcoins wich will not deposit in my account after 24 hours of release from site already. I have invested satoshis in this new investment platform at httpx://...
-1
votes
1answer
37 views

If there are 20 nodes in network and all are receiving transaction and after 10 min

Question 1) If there are 20 nodes in network and all are receiving transaction and after 10 min all will pick transaction from their transaction pool and start creating block, now will all nodes will ...
1
vote
0answers
32 views

19 out of 24 words of BIP39 passphrase (brute-force last 5?) [duplicate]

I have managed to lose 5 words of my 24 word Ledger Nano S recovery phrase. I have words 1-19 but I am missing words 20-24. I have significant holdings on the wallet so would very much like to recover ...
5
votes
0answers
100 views

19 out of 24 words of BIP39 passphrase (brute-force last 5?)

I have managed to lose 5 words of my 24 word Ledger Nano S recovery phrase. I have words 1-19 but I am missing words 20-24. I have significant holdings on the wallet so would very much like to recover ...
0
votes
0answers
18 views

solving subset sum for two sets

Some bitcoin transactions (especially CoinJoin transactions) include two or more sub-transactions. for example, consider a transaction with Inputs = [2, 3, 4] and Outputs = [4, 5]. In this example, ...
4
votes
1answer
93 views

What are the major technical differences between Bitcoin and Bitcoin Cash?

For a research project I'm trying to detect the major technical differences between Bitcoin and Bitcoin Cash. I know that BCH uses a larger block size and does not support SegWit. But what other ...
0
votes
0answers
8 views

Bitcoind is not running properly in centOS server

I just try to setup full node in centos(Linux distribution) server. I download binary for Linux from https://bitcoincore.org/bin/bitcoin-core-0.17.1/ . I just start bitcoind using the following ...
0
votes
1answer
20 views

Why are Sphinx forward messages not used in Lightning's onion packets?

It is useful to send some additional information with a payment in LN. For example, spontaneous payments in LND send a payment_preimage to the destination of a payment. LND uses a non-trivial EOB ...
0
votes
1answer
23 views

How can the blockchain keep only one version of the ledger equal across all nodes

Lets say miner A is working on block X, while miner B works on block Y. Both miner A and B find the hash for their blocks almost at the same time, and as such, they start broadcasting their results to ...
0
votes
1answer
35 views

How to verify signature of multisig transaction

How to verify signature of multisig transaction (2-2) after it being signed by first owner? How can I understand if that owner used wrong private key => wrong signature?
0
votes
0answers
15 views

Running Bitcoin (core dameon full-node) on IPFS vs NFS?

I've tried running numerous Bitcoin daemon's concurrently over an NFS solution (namely LizardFS) using XFS instead of ext4. It only reached about 60% of its potential before all daemon's crashed. This ...
0
votes
1answer
39 views

Sent Bitcoin to my electrum wallet address without hitting request first now it says its confirmed and i have no money after requesting it

Sent Bitcoin to my electrum wallet address without hitting request first now it says its confirmed and i have no money after requesting it after Isent it. Can I still receive my coin
0
votes
0answers
26 views

How many confirmations does a transaction needs to be included in a snapshot?

I bought bitcoin to participate in bitcoin hex. I sent my bitcoin to the electrum wallet and it has over 500 confirmations. Bitcoin Hex will snapshot bitcoin and I want my bitcoin address to be ...
2
votes
0answers
33 views

How can you construct a cycle with LND to rebalance one of your channels with another?

I have at least two open channels, one of which has inbound capacity and the other has outbound capacity. How can I find a route and construct a payment to rebalance my channels against each other ...
3
votes
2answers
69 views

What is the unit of time_lock_delta in LND?

LND has a configuration setting called time_lock_delta with the description "The required timelock delta for HTLCs forwarded over the channel.". I assume this to refer to some measure of time, but ...
0
votes
1answer
18 views

Is there's anyway to get fee estimation with vbyte instead of KB using “estimatesmartfee” RPC command?

I'm using Bitcoin-core RPC command to get current fee rate, but it returns the fees in KB, I would like to get fee rates in vbyte is that possible?
0
votes
0answers
25 views

Bitcoin core transaction catching for enterprise

I'm trying to implement a system where users of my application receive a deposit address to which they would be able to deposit any amount of Bitcoin at any given time. They would also be able to ...
0
votes
1answer
32 views

What do i do with Bitcoin? How to start my Bitcoin? [duplicate]

I heard a little bit about Bitcoin and people earning money from it. How do i start my Bitcoin. I am very new to this.
1
vote
4answers
95 views

Notify when new transaction is arrive in a bitcoin address [duplicate]

I have bitcoin full node on the server. I need to notify when new incoming transaction is arrive into a bitcoin address. Is there any RPC will help to achieve my goal ... Any help is appreciable. ...
1
vote
1answer
45 views

Why seed from BIP39 mnemonic phrase is much longer than entropy?

BIP39 converts mnemonic "zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo wrong" to the fairly long seed "...
0
votes
1answer
28 views

What year did bitcoins come out?

I purchased one in 2009 or 2010 . I want to know how I would recover it. I was sent to prison I would like to know asap please and thank you .
1
vote
1answer
61 views

How to calculate segwit transaction fee in bytes?

I'm trying to calculate SegWit transaction fees in bytes, I have two Segwit inputs and 2 segwit outputs. can anyone calculate this transaction fees if I'm paying 100 Sat per byte?
7
votes
1answer
395 views

Could Neutrino technically as side-effect, incentivize centralization of the bitcoin network?

TWO questions on Neutrino:: 1) Could Neutrino technically as side-effect, incentivize centralization of the bitcoin network? Or other formulation: ...hinder higher degree of decentralization? Why ...
1
vote
3answers
38 views

In case of a grouped transaction, how to determine who sent what to whom?

Trying to understand how grouped transactions work, I came accross the following transaction on blockchain.com : There are many senders, and even more receivers. For instance, the first sender on the ...
0
votes
0answers
27 views

How can I generate public address from an xpub key in Java?

I have an xpub key with which I want to generate all addresses which have been used or will be used and then find out the keys which have balance. Here's a sample xpubkey with balance- ...
2
votes
0answers
42 views

How to make a homomorphic preimage/payment hash with current lightning network / Bitcoin implementations?

If I remember / understand it correctly by using the mechanisms from the scriptless scripts paper we could easily create homomorphic preimages / paymenthashes. I think this would be a very desirable ...
0
votes
1answer
28 views

Confirmed transaction but unspent

Hi, I have a serious issue as this transaction is successful but the recipient insists that it's not in her wallet neither did she get any sort of confirmation about the transaction, I have been ...
1
vote
1answer
25 views

Transaction with duplicate address in the output

I came across this transaction and noticed that there's duplicate address for the output part. https://live.blockcypher.com/ltc/tx/ada86c7d6f46f712bfa04982f17ce9cd9d4c2560e3493de9c22f8b135ece6cb9/ ...
0
votes
1answer
21 views

Where to find rpcauth.py for configuring rpcauth in bitcoin.conf on Ubuntu

I can't find the python file to create the rpc credentials. According to the documentation it should reside somewhere here: using the output from the script in share/rpcauth/rpcauth.py
0
votes
3answers
50 views

What happen when 2 transactions with one doublespending the other reachs the same block?

Let’s have 2 transactions. The second one is duplicating Input of the first one. Both have very high fees so they are selected by miner to be included in the same block but before passing validation (...
0
votes
0answers
25 views

Is it possible to determine the wallet ID that received my fund from one account to another?

I am new to bitcoin. I opened an account with Coinbase and also an account with Blockchain. I transferred about $35 worth bitcoin from Coinbase to an address I generated from my Blockchain wallet. ...
1
vote
1answer
38 views

Is Bech32 transaction on blockchain.info size accurate?

I have made a transaction and paid like 120 sat/B, on blockchain it says that I've paid 78.995 sat/B and noticed that transaction size is 191 (bytes) Transaction size supposed to be: 102 (input) + ...
0
votes
0answers
28 views

Exception CompactSize when I parsering a nuimbar od the blk file >= 976

I wrote a bitcoin core parser, for my personal project and because it helped me to start understanding the bitcoin protocol as a data structure. This project mainly parsers every blk file and creates ...
0
votes
1answer
25 views

Recover Bitcoin Wallet info

I sent some (worth around 1000usd) bitcoins to one of my wallets and doesn't remember which wallet it was. Now I'm checking wallet and seeing balance is still there. Can somebody tell me how do I see ...

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