All Questions

0
votes
1answer
41 views

broadcasting error for raw bitcoin transaction testnet

I am trying to create a raw transaction and send it to the testnet. I am using testnet keys and here is the simplified readable output from my script: decoded private key: ...
0
votes
1answer
20 views

How can I find the transaction that spends a specific output via an API?

I am wondering how I can find the transaction that spends a specific output (for a large number of transactions). So for example, I have a transaction like the following: https://www.blockchain.com/...
0
votes
0answers
11 views

Cannot recover my wallet [duplicate]

I have an Android backup that I am sure I am using the right password. I have exported the file, and trying to decrypt it with openssl: openssl enc -d -aes-256-cbc -md md5 -a -in ./...
1
vote
1answer
29 views

What if all nodes on the lightning network were watchtowers by default?

What would be the costs for forcing every node on the lightning network to provide watchtower services by default so that the burden is shared by other users maintaining the default and with ...
3
votes
1answer
40 views

Is it possible to connect to BTCPay server remote c-lightning node?

I have BTCPay server and would like to use external c-lightning node which i have funded and prefer more over BTCPay server local docker container (DC). In store configuration i see that there is ...
-2
votes
1answer
57 views

How to change Bitcoin's proof of work? Then enable miner [closed]

I'm using https://github.com/jgarzik/pyminer/blob/master/pyminer.py to test a few different hash functions. Instead, I'd like to try keccak, a few of them in some order like an "X5" and so on. This ...
3
votes
1answer
55 views

Why my bitcoind cannot query all the blocks?

I just install the bitcoind and run: bitcoind -daemon and when i tried to: bitcoin-cli getblockhash 195876 i got an message: error code: -8 error message: Block height out of range the command: ...
1
vote
1answer
57 views

Can a BIP39 12-word mnemonic be used to restore a wallet through bitcoin-cli?

I could not find documentation on using a 12-word BIP39 Mnemonic to restore a wallet through bitcoin-cli. It seems that importprivkey might be the right RPC call but when I provide the 12 words, it ...
0
votes
1answer
35 views

Are Relay Addresses Possible?

Is it possible to create an address such that different parties can spend certain portions of any output spent to that address? R: 1zaybxcrandrelayexampaddr A: 1xyzabcrandexampladdressa 97% B: ...
1
vote
1answer
24 views

Which is the better estimator for future mining intervals, the 10 minute protocol target or the observed, historical average?

The Bitcoin protocol is designed so that the network difficulty is periodically adjusted so that new blocks are mined on average every 10th minute. However, looking back the last 10 years, it appears ...
0
votes
1answer
54 views

What's the magic key version bytes for BIP49

I'm implementing BIP49-compatible key derivation for bitcoin-s, but I'm having a hard time finding the magic version bytes to use for the extended keys. I've been looking at BIP49, but can't find ...
1
vote
1answer
69 views

wallet will not sync it has been a week and I still do not have my money in the wallet. It took out my account

I have video proof that this has been going on for a week I have restarted the computer multiple times and have yet to receive any money into my account. I do not even have a wallet number.
0
votes
3answers
50 views

Bitcoin scam artist

A guy I have been talking to says he is having trouble accessing his account and asked me to make a wallet in blockchain and then wants my login, password, and wallet id so he can use it in another ...
1
vote
0answers
28 views

Schnorr Fiat Shamir Transformation

In the Schnorr identity protocol, we can transform the interactive ZKP into a non-interactive one by replacing the role of the verifier (i.e. providing a random challenge value) with a hash function ...
0
votes
1answer
38 views

Following SegWit implementation, is BIP-146 signalling and implementation still on the docket?

Is BIP 146, which defines using the low S value, still on the docket to be signalled and implemented given that SegWit fixed the txid malleability issue by moving the witness outside the transaction? ...
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
90 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
52 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
44 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
23 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
78 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 ...
4
votes
0answers
97 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
7 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
14 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
38 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
64 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
24 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
92 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. ...

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