All Questions

0
votes
0answers
15 views

Extremely high fee for sending BTC using Electrum android wallet

I wanted to experiment with android mobile BTC wallets and stumbled upon Electrum. I only have one transaction input to this wallet and that was from my Binance account. I have a balance of 0....
0
votes
0answers
15 views

PBFT vs. Proof-of-Authority?

based on this answer: https://bitcoin.stackexchange.com/a/79402/41513 : PBFT (Practical Byzantine Fault Tolerance) is a voting based consensus algorithm in which every node must send messages to ...
0
votes
1answer
42 views

Blockchain is losing me money with every transfer

I'm losing up to 45% on a BTC transaction. When it reaches the merchant they say that I'm losing it in the transfer and that the chain is the cause. How true is this and how can I check with the chain ...
0
votes
1answer
12 views

Lightning payments: peer versus channel (LND)

I understand that in order to be able to send a LN invoice my node should be connect to at least 1 channel. Should both nodes have an equal "stake" in the channel? Is it correct that it isn't ...
0
votes
1answer
23 views

How can I validate the amounts of these wallets (https://bitinfocharts.com/top-100-richest-bitcoin-addresses.html) on my bitcoin full node?

Followup question: I am running a bitcoin full-node and it took a month to sync the blockchain. I did not create the full-node with a bitcoin wallet. I stumbled upon this 'importaddress' command (...
0
votes
1answer
16 views

Bitcoind live wallet backup (by copying wallet.dat)

Is it safe to copy wallet.dat while the daemon is running, or should the daemon be stopped before doing so? I'd imagine it would be safe unless addresses are being generated exactly at the same time.
0
votes
2answers
25 views

How to use BIP39 test vectors?

On the page of BIP39 specs there's test vector array from Trezor link. It looks like this: ["ffffffffffffffffffffffffffffffff", "zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo wrong", "...
0
votes
1answer
23 views

How does a wallet rebuild itself from its seed?

How does it identify the addresses and transactions on the blockchain in order to rebuild the history of that wallet?
-1
votes
1answer
43 views

What are the biggest Proof-of-Stake roadblocks? [closed]

What are the biggest hurdles (technological or otherwise) that the Proof-of-Stake consensus algorithm must overcome to become the de facto consensus algorithm for blockchain? Or put differently, what'...
0
votes
1answer
18 views

testnet.blockchain.info api not showing latest results?

I sent a transaction to the testnet address mzWCWQU6phb9rKSAiQ4FBU92sGYtY7tjPH a few days ago and I have been using the testnet.blockchain.info api for a while now in my project. It was working fine ...
0
votes
0answers
29 views

How to perform CPU mining on bitcoin TESTNET on Linux?

I need approximately 100 Bitcoin Testnet to run an experiment on the lightning network. Any suggestion on how to run CPU mining? Should I use cgminer? Make any sense to perform solo mining on ...
2
votes
1answer
28 views

What information does a lightning network node hold?

Just setup my first lightning network node, what information exactly am I downloading when syncing?
1
vote
2answers
41 views

Why was noise XK fundamental pattern chosen in the transport layer (BOLT 08) of the lightning network

I am currently reviewing the transport layer of the Lightning network protocol. It builds on top of the noise protocol framework handshake patterns. What I don't get: Why was the fundamental pattern ...
0
votes
1answer
17 views

Why mark a transaction as RBF (Replace-by-Fee) explicitly?

I could broadcast a second transaction that has the same inputs but a higher fee, without marking the original transaction as replaceable. Miners would most likely favor the second transaction and ...
0
votes
0answers
16 views

Are all addresses in a wallet derived from a single private key? [duplicate]

Also, is there any way from and address that one could derive any other addresses that came from that wallet? Or do I have the relationship of addresses to wallets wrong?
0
votes
1answer
22 views

What is meant with 'the highest PoW'?

What is meant when the nodes select the chain with the highest cumulated PoW? How is the highest highest PoW calculated? I thought the concept itself is called PoW.
1
vote
0answers
30 views

Why did the lightning network implement a gossip protocol?

As pointed out by many lightning developers in the past (eg Rustys 1 million channel challenge) the gossip protocol is quite noisy and a part of the BOLTs producing many engineering challenges. Today ...
0
votes
2answers
44 views

Can someone help me understand what these scripts mean?

Could someone explain what the commands i have in bold do? if possible. Thank you. Transaction URL www.blockchain.com/btc/tx Input Scripts- ScriptSig: PUSHDATA(71)[...
3
votes
1answer
44 views

Why is the length of the transport messages on the lightning network encrypted?

From BOLT 08 we can see that every message is sent in the following way: 2 byte: length 16 byte: MAC [length] byte: Encrypted message 16 byte: MAC In reality these messages will be send over TCP/...
0
votes
0answers
18 views

How to most efficiently keep in sync blockchain on offline computer (including through bitcoin-qt upgrades)?

I have bitcoin-qt running on online computer. I want to: copy blockchain to offline computer (preferably using WORM media for security reasons) from time to time update offline copy with newest ...
0
votes
1answer
25 views

How to get amount in RPC

I am developing a bitcoin wallet for education purposes, and i'm working on a getbalance method that given an address i return the balance of the address. Problem is, when communicating via the RPC ...
1
vote
1answer
20 views

Why are exactly 4 bit windows used in the lookup table of libsecp256k1 to speed up point multiplications?

From the Readme of secp256k1 we can see the following: Use a precomputed table of multiples of powers of 16 multiplied with the generator, so general multiplication becomes a series of additions. ...
3
votes
1answer
31 views

Betweeness Centrality LND node

How can one calculate betweeness centrality of your node as mentioned in that video. I would like to take into consideration base_fee_msat fee_rate Is there a smart way to figure out what suites ...
0
votes
1answer
17 views

Block 566687 nonce with extranonce, how to interpret?

This could apply to any block, but I was checking this one out found by Slushpool. I've looked this up in Mastering Bitcoin and here on StackExchange, but the best I can get so far is: the coinbase ...
0
votes
0answers
18 views

Where would I test the Liquid Network at testnet?

I would like to test Liquid Network functions with recently announced Liquid Core. Can be Liquid Network used for Bitcoin testnet?
0
votes
1answer
26 views

Can't connect to bitcoin lightning node

Am trying to connect to https://1ml.com/node/02671251b5678771514df8f26cc01508606d697ae8cad38063f84becbd359b189f From eclair app https://imgur.com/gallery/GoAMpjp it keeps saying failed to open ...
0
votes
0answers
20 views

Parse BTC transaction Input and output addresses from blockchain [duplicate]

I am experimenting with parsing the blockchain using rusty-blockparser. I am wondering if it is possible to parse large amounts of transactions/blocks, resulting in the input addresses and output ...
0
votes
1answer
19 views

Unable to find peers when connecting through tor proxy

I have tor running as a service on my computer and start bitcoind with -proxy=127.0.0.1:9050 but it fails to find any seeds through DNS or anything during startup, and even after leaving it on for ...
0
votes
1answer
44 views

How do I profit from bitcoin [duplicate]

For a newbie like me, I am still confused about how this bitcoins works. And I don't mind if someone can help me get a clear sight on how this thing works. Thanks
0
votes
1answer
21 views

What is the technical difference between BTC and LN wallets?

What is the technical difference between BTC and LN wallets? Are they generated via a diferrent algorithm or format?
0
votes
1answer
24 views

Would it be possible to store hashes generated in a file, then brush through them to find out if they are under the target?

I have been wondering if it would be possible to generate hashes, store them in a file, then use them as hashes when mining. When you would mine, you would not generate the hashes, but instead, just ...
-1
votes
0answers
12 views

Convert Spork public key to public address

I'm trying to understand how or if its possible to convert this spork key below into the corresponding public address from this key only: ...
0
votes
3answers
53 views

Where is the data stored in Bitcoin?

Is all the data related with the transaction of bitcoin stored in blockchain or the data stored somewhere in the cloud and they are referenced from blockchain. I have this confusion because if we are ...
0
votes
1answer
19 views

What's partial spending? What does avoidpartialspend do?

Group outputs by address, selecting all or none, instead of selecting on a per-output basis. Privacy is improved as an address is only used once (unless someone sends to it after spending from it), ...
0
votes
1answer
19 views

How to upgrade bitcoind in docker?

I am running the docker version for c-lightning 0.7 On a raspberry I need to clone the blockchain, but it needs version 0.17.1 Looking at the docker-compose.yml file I see: version: "3" services: ...
0
votes
2answers
37 views

What is the best way to differentiate users' balances in a shared wallet?

first time posting around here. I have been thinking about an application that would highly depend on the use of bitcoin for the best user experience. A shared wallet for all users currently seems ...
6
votes
1answer
238 views

When Schnorr signatures are part of Bitcoin will it be possible validate each block with only one signature validation?

In a recent talk Pieter Wuille talked about speed up verification when using Schnorr signatures and various algorithms for verifying multiple signatures. Would it really be possible to verify one ...
2
votes
1answer
21 views

Why is the Schnorr verification formula working and actually verifying the validity of a signature?

Reading the bottom of page 2 of the Musig Paper we can find that a Schnorr Signature for a cyclic Group G of prime order p with generator g is a tuple (R,s) where R = gr for a random secret r and s=...
0
votes
0answers
17 views

Please explain how to configure a satellite for btc payments with blockstream via space

Blockstream has its own satellites in the space orbit, right. So , as I understand, there must be very special requirements met for your satellite to be able to do transactions through space. Not ...
0
votes
1answer
43 views

Have I lost my ripple

I was hoping someone could help me please? I used to have a desktop wallet for XRP which I just found out had been deleted and that’s where my coins were. Is there anyway to access those coins ...
1
vote
3answers
124 views

Can someone please explain the meaning of “neutrino” within the lightning network?

@RenePickhardt wrote the below quoted comment in another thread (thread# 85062) Background was if a mobile wallet can be both, full lightning node and wallet at the same time. "" I have many ...
0
votes
1answer
33 views

Bitcoin Signatures are susceptible to quantum attacks - how exactly and with what practical impact? [duplicate]

@PieterWuille wrote in another thread: "" The hashing algorithm is probably the most quantum-resistant piece of cryptography right now in Bitcoin. Barring any specific breaks, SHA256 and RIPEMD160 ...
0
votes
1answer
17 views

What happens when transaction bandwidth is exceeded?

A search for definitive information turned up literally nothing, so, what happens when transaction bandwidth is exceeded for an extended period? After a period of two weeks (default) transactions are ...
0
votes
2answers
23 views

question about wallet address conversion

i just recently added a new wallet that can accept bitcoin SV but its address starts with a "q". is there any tools on the internet that can convert that q prefix address to a 1 prefix address much ...
1
vote
2answers
57 views

Can the fees in a coinbase be used to launder Bitcoins?

Generally Bitcoins coming from a coinbase are considered clean as they are newly generated. However while answering this question I realized that mining pools could offer to launder Bitcoins in the ...
0
votes
4answers
28 views

Does Bitcoin dust limit include miner fee as well?

I've read on What is the dust limit on Bitcoin Cash transactions? that small transaction with less than 546 Satoshi get rejected by miners, but I'm confused. Is that limited applied to sum of inputs ...
0
votes
1answer
4 views

Where is the default lnddir?

Looking for my macaroon files which should be at this location: lnddir/data/chain/bitcoin/mainnet However, I can't figure out where my default lnddir location is. I don't want to set a new lnddir. I'...
0
votes
1answer
23 views

What stops miners from no longer submitting failed hashes to the network, to reduce the difficulty and block time?

As I understand it, the difficulty adjusts based on the hashrate to keep the block times at 10 minute intervals. But if Alice and Bob are the only ones mining on the network, what's to stop Alice from ...
0
votes
0answers
14 views

lnd - “unable to create server: no active channels exist” after successful lncli unlock

I'm setting up a Lightning node using bitcoind and lnd and this guide: How to Install and Use the Lightning Network with bitcoind on the Bitcoin Mainnet It's been an interesting couple of days, but ...
0
votes
1answer
29 views

Bitcoind could not locate RPC credentials but rpcuser and password are set

I installed bitoind and synced it. But when i'm trying to connect from my php website i getting: Unable to connect to http://user:password@my.bitoind.server.ip:18332/. Also when i'm trying to see ...

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