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2
votes
2answers
149 views

Throughput of Lightning Network

Is there any reliable source of information regarding the estimation of the number of payments that occur in Lightning Network every day? If the total number is impossible to estimate are there any ...
1
vote
1answer
49 views

Why one miner can dig out many blocks continually in one moment?

I am new to bitcoin and blockchain, I browed the website just now. There is a question confusing me, I find that one miner dig out blocks many times even in one hour. For example, this miner dig out ...
1
vote
1answer
112 views

Are Bulletproofs fully implemented into liquid?

Blockstream themselves released a paper in 2018 about a more efficient range proof and Calles IT Bulletproofs. I'm wondering if it is already fully integrated into the liquid sidechain?
2
votes
1answer
33 views

If a court orders mining pools to seize funds, they will modify their software to do it, or be shut down' - can this happen?

I thought nodes could prevent this too. but if enough miners did do this, what could happen in worst case? thanks in advance for responding
0
votes
0answers
28 views

if bitcoin miner(s) changed the UTXO set would the bitcoin nodes reject the blocks?

if so, would this cause a Fork? or what would happen?
2
votes
1answer
80 views

In Lightning commitment transactions, what do the upper 8 bits of sequence and locktime represent?

In Bolt 3 of the Lightning Network specs, for commitment transactions it states: locktime: upper 8 bits are 0x20, lower 24 bits are the lower 24 bits of the obscured commitment number. ...
0
votes
1answer
25 views

Lost .dat file but

I lost an old .dat file with 1.5 BTC balance. I created it with Bitcoin qt 0.8.6, I still have that exact program on my SD card. I once heard each bitcoin qt wallet does contain a pool of about 100 ...
0
votes
0answers
23 views

How could PSBT deal with data capacity limit of QR code?

QR code has very limited data capacity. (According to Wikipedia) one single QR code can only carry <3KB of binary data. It's not rare for a PSBT to hit this 3KB limit, especially for ones which ...
0
votes
1answer
19 views

How many bytes long should nSequence be?

When I look at the following raw transaction from: https://blockstream.info/tx/a175425ee2f3c01acc97ef32ab1082db14eaa94e5af4c54f02f3b01dec72558e?expand ...
5
votes
2answers
176 views

How does the bech32 length-extension mutation weakness work?

A bech32 address ending with p can be modified be inserting or removing q characters immediately before the final p character to make a new valid bech32 address. Why does this work? Are there any ...
0
votes
0answers
22 views

Power consumption at different frequencies

How do I understand power consumption of miner (e.g. s9) when changing frequencies? Is there some formula how the power consumption will change when I adjust frequency on miner's boards (using same/...
-1
votes
0answers
47 views

Recovering bitcoins sent to Bitcoin Cash address [duplicate]

I've sent Bitcoin to a Bitcoin Cash address instead of a Bitcoin address. I didn't receive the payment. Instead of sending to 1FJ1sryyHTXza6BDX5o4d4JFUDCdFt9muR (my Bitcoin address), I sent to this ...
0
votes
0answers
25 views

Can i have a blockchain that is not mined or validated? [on hold]

I am willing to use the blockchain technology to implement voting system. So, I am planning to create a private network consisting of only nodes through which people vote and hence, I do not want any ...
1
vote
1answer
51 views

Why Block Chain not Transactions Chain?

I believe that, for some people, the term Block is a sort of holy notion. However, there exist yet some block-free blockchains such as Libra (Sometimes referred to as Zuck Buck). Unlike previous ...
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-...
1
vote
1answer
37 views

does bitcoin-core support bip44 HD wallet

If bitcoin-core does not support bip-44, is there any other node ?
1
vote
2answers
42 views

Could someone provide an example of a tx spending from an input with a relative LockTime?

I want to see an example of a raw transaction which spends from an input which has a relative LockTime applied to it. An example would be a transaction from a Lightning payment channel in which a user ...
1
vote
1answer
23 views

Get Seed from wallet on regtest mode

I am doing some tests for an application that signs Bitcoin transactions. I already downloaded the binary files bitcoin-cli,bitcoind and bitcoin-wallet from bitcoin.org. I need to know that the seed ...
1
vote
1answer
48 views

Handwritten paperwallet or hardwarewallet to store Bitcoins?

Most people I talk to are convinced that a hardware wallet is the safest place to hold your Bitcoins. But I'm not so sure if it's not safer if I create offline on a non compromised fresh system the ...
8
votes
3answers
1k views

What does Bitcoin policy language offer the developer that Miniscript doesn't? What is the difference between Bitcoin policy language and Miniscript?

I understand that policy language compiles to Miniscript and Miniscript compiles to Bitcoin Script. This is also a great resource on Miniscript: http://bitcoin.sipa.be/miniscript/ But I know very ...
2
votes
1answer
56 views

How do you run one daemon for multiple users?

I have installed Bitcoin v0.18.1 as user1. Everything is fine, but now I need to let user2 access the same run so he can use bitcoin-cli as well. However, once I log into the VM instance as user2 I ...
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
0answers
18 views

Types of onion address

I'm running a bitcoin core full node with Tor and I've configured a hidden service for that. The point is: bitcoin core log shows me an onion address which is very smaller than the one I found in /var/...
2
votes
2answers
81 views

What is the difference between listpeers vs listnodes commands?

In c-lightning implementation, what is the difference between the listpeers and listnodes commands of lightning-cli?
2
votes
1answer
25 views

Would a dual-funded channel be a single UTXO?

Would a dual-funded channel be a single tx? The peers would cooperatively create a single tx with at least 1 input each. Is this correctly understood?
1
vote
1answer
18 views

difference between inbound and outbound connection

I'm running a bitcoin full node (bitcoin core) via Tor. I noticed I have only outbound connections (using maxconnections=16 in the conf file), but not even an inbound one. So which is exactly the ...
2
votes
1answer
27 views

what is the significance (if any) of “ACKs for top commit:” in the git commit messages of bitcoin core?

There seems to be a reasonably standardized format for some, but not all, commit messages in bitcoin's git repository. For example, in addition to the usual expository commit message, this commit (...
1
vote
1answer
27 views

Syncing blockchain with prune enabled

I'm syncing a node with prune enabled. Will it download the whole blockchain and then prune to my given settings after, or does it prune as it syncs? I'm currently 34.85% synced Blockchain directory ...
10
votes
1answer
345 views

Musig Signature Interactivity

2 Questions: Why is Musig signing always interactive? Let's say I have a Musig wallet where keys are stored in secure locations with no internet access. What are some methods to sign from these ...
2
votes
1answer
21 views

-fallbackfee option in sendtoaddress

I'm trying to send some bitcoins using bitcoin-cli API, but bitcoin core tells me that Fallbackfee is disabled. How can I set a value for fallbackfee? I've tried to specify it like bitcoin-cli ...
3
votes
1answer
91 views

Would a Schnorr PubKey be a different length than a Taproot PubKey like P2WPKH and P2WSH?

A P2WPKH PubKey is shorter than a P2WSH PubKey. Would this also be the case that a Taproot PubKey is larger than a Schnorr PubKey? If so, wouldn't people be incentivised to use the Schnorr PubKey and ...
5
votes
1answer
38 views

What does the 'n' in nLockTime and nSequence stand for?

I know what nLockTime and nSequence do, but I'm just curious about where the 'n' comes from. Thanks
0
votes
0answers
40 views

Extract ECDSA parameters from Bitcoin Blockchain Block

I am trying to extract the parameters of ECDSA signature used in bitcoin to run some tests. For that i need to obtain : --- r and s , i.e., the ECDSA signature --- H(m) , the hash of ...
3
votes
1answer
43 views

I need to know about wallets in cryptocurrency, how do exchanges generate deposite address per user?

In exchanges like Binance when a user wants to deposit coins in bitcoin or in other coins, per user receives a unique public key? Do they have to generate pair key private/public key for each user in ...
0
votes
1answer
48 views

Is it (theoretically) possible to run a small scale blockchain node on a mobile phone? [on hold]

In the context of a mobile application that uses blockchain to store some textual data: is it possible to make every user (everyone that has downloaded the application) a node of this blockchain? What ...
1
vote
1answer
29 views

What is the differences in Bitcoin derivative products such as perpetual vs futures?

I see on some crypto exchanges, they offer Bitcoin perpetual orders and futures orders. What are the differences when compared to each other and vs margin orders.
0
votes
1answer
17 views

Is it possible to use Bitcoin Core Qt as interface for DIFFERENT full node?

bitcoind is running on the background, local RPC server is running, all good. But is it now possible to have GUI? To say to bitcoin-qt that it should use RPC instead of going to disk files (which are ...
0
votes
1answer
54 views

Not able to Spend 2-2 MultiSig UTXO

I created 2-2 Multisig Account 2NECouPA4UVNMzX1K7kekc4W3VudDhMdFkM from msrFNhKwLu9GrT3hFoizz21xEwJ61xMsym and n1NPFEJHBA8j63B5dgJ3aQcufA8VmrN27U, I tried spending UTXO from this account but got an ...
0
votes
0answers
18 views

broadcasting bitcoin transaction issue using bitcore-explorers

I have been trying to do a transaction using bitcore-lib. I have successfully created transaction object. let bitcore_transaction = new bitcore.Transaction() .from(utxos[0]) .to(to, +...
0
votes
1answer
37 views

How to securely update and verify C-Lightning release?

Recently, a new version (v0.7.3) of C-Lightning was released. The GitHub page has detailed instructions on how to build the software from source, but does not provide much details as to how to update ...
1
vote
1answer
55 views

How to verify virgin bitcoin

I am willing to acquire bitcoin without transaction history (virgin bitcoin) at a premium. How do I tell that the bitcoins I receive do not have any prior transactions (except of the mining one)? What ...
1
vote
2answers
39 views

Taking out bitcoin from offline wallet

Ok, let's say I have an offline wallet for storing my bitcoin, now I have got a good amount of bitcoin, but i don't want to take out everything from the wallet, I only want to take out a small amount, ...
0
votes
1answer
34 views
4
votes
1answer
32 views

How to migrate Lightning (LND) from local laptop to external myNodeBTC node

I am in the process of migrating my LNP/BP stack from a Windows laptop to a dedicated myNodeBTC (RaspPi) device. My node on the Windows laptop was installed using Node Launcher. I already have the ...
2
votes
1answer
26 views

Cannot get the same address format from zeroMQ and Bitcoin Core

I use nodejs with this npm library: const bitcoinjs = require('bitcoinjs-lib'); // version "^5.1.6" I received a rawTx from zeroMq, then extract it: const tx = bitcoinjs.Transaction.fromHex(rawTx);...
1
vote
1answer
46 views

What are some other uses for blockchain instead of money? [closed]

What has blockchain been used for aside from money in the 10 years its been around? I know things like etherium exist, but They don't seem be going anywhere, most of its value seams to come from the ...
0
votes
1answer
45 views

How to check a bitcoin account from a death person

My father in law died 4 months ago. On the tablet of my mother in law we noticed he had invested in bitcoins. How can we check this still exist/that this is real? Does he have a customernumber or how ...
0
votes
0answers
30 views

Sent some testnet Bitcoin to Bitcoin Core wallet but balance is still zero

I got the testnet Bitcoin address with this command: bitcoin-cli -testnet getnewaddress And here is the Bitcoin address: 2NDtNjDbEiNiKDuAnwyKBmRPQ49NNpesdhE As you can see in blockchain there was a ...
1
vote
0answers
37 views

How can I check my transaction signature is correct?

I have tried recreating the exact transaction from "Appendix B: Funding Transaction Test Vectors" from BOLT 3 from the Lightning RFCs. My transaction looks exactly the same when parsed, except my ...
0
votes
1answer
18 views

How Extracting address Bitcoin to script multi signature

I want to extract the correct address from a script multi-signature. I have this real script multi-signature from this ScriptSig (tx index 1), so this is a readme script for this address OP_2 ...

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