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37 views

Getting "Unknown wallet records: 1" on loading wallet

I noticed that loading this wallet: loadwallet ...wallet name... The wallet is a 169900 legacy wallet. 2021-..-..T..:..:..Z [...wallet name...] Keys: 0 plaintext, 4355 encrypted, 4355 w/ metadata, ...
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votes
1answer
36 views

How exactly are the undo files used when a re-org takes place?

It is obvious that the undo files (rev*.dat files) are stored to restore the blockchain to a previous version when a re-org takes place. What is not clear to me is what are the exact uses of the ...
2
votes
1answer
64 views

What is encoded in the first taproot enabled block?

There are a bunch of encoded messages in the first taproot enabled block in op_return outputs. What is encoded there?
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0answers
14 views

Interaction Between Market and Ledger Live (Knowledge of Transactions)

If someone purchases bitcoin on a market place (say gemini) and then transfers it to a hardware wallet (say ledger live), how does the ledger live app immediately show an updated "account balance&...
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0answers
27 views

Bitcoin Core 21.1 still no coin for me?

I have it setup i think on Windows 10 64 bit setup the wallets and encrypted it its been running solid for 8 hours and my bitcoin is showing 0.0000000 BTC still both available and pending what am i ...
0
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0answers
29 views

Bitcoin mining for the regular person? [duplicate]

Is it feasible for a regular person to mine crypto like Bitcoin with just a couple of machines? Or is the wear and tear to those machines coupled with the electricity costs just too much to make it a ...
1
vote
1answer
50 views

what's having 0.0001 Bitcoin mean?

Having issues selling my bitcoins. Need assistance. My usd isnt showing correctly? It says I'm missing 11million but I never withdrew that much and when I do it totals out to like 20 dollars.
1
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2answers
59 views

If you wanted to privately receive bitcoin from someone, how would you do that?

I do not like to be tracked when receiving or sending bitcoins. How do you make a secure wallet? If you wanted to privately get bitcoin from someone, how do you get it? How do you get the address to ...
3
votes
0answers
100 views

P2TR bech32m mismatch

When attempting to create a p2tr address using the private key 0x0000...01 I get, bc1pmfr3p9j00pfxjh0zmgp99y8zftmd3s5pmedqhyptwy6lm87hf5sspknck9 which does not match the provided test vectors provided ...
1
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0answers
62 views

how are new bitcoins created [duplicate]

I have read that new bitcoins are generated by a competitive and decentralized process called "mining" i want to know how the first coin was generated? From where is it genrated? Mining is ...
3
votes
1answer
87 views

Where can I find taproot spend examples on testnet/signet?

I am in the middle of writing some Taproot libraries and would like some testnet/signet p2tr spends. Is there an easy way to find them? Most explorers don't have any filters like that. Even a list of ...
0
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0answers
19 views

listed companies with significant bitcoin revenue

The currency flowing through listed companies on the main stock exchanges of the world is mainly of the standard, fiat kind. Does anyone know if there are any listed companies out there on any major ...
1
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1answer
43 views

How to send Bitcoins to "anyone"?

I am new to the cryptocurrency domain. I think I understand how to buy bitcoins (on CoinBase for example) and store them locally on my computer (thanks to a software such as Electrum). I also know how ...
0
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0answers
54 views

How much cheaper will Bitcoin transaction fees be when Taproot is implemented in November of 2021?

With the upcoming taproot upgrade to the network. How much cheaper will fees for sending a transaction? If not, are there other improvement proposals to reduce fees?
3
votes
1answer
62 views

Estimating Lightning Network's theoretical transaction throughput

I've seen theoretical estimates of Lightning Network's potential transaction throughput range from 100k or more to millions of transactions per second. My question is, how do you come up with an ...
0
votes
1answer
52 views

Bitcoin mining with cloud

Where is cloud mining ok? many companies dont let you use their cloud to mine bitcoin so how do you do cloud mining? And is cloud mining worth it and does cloud mining have more advantages than normal ...
1
vote
2answers
45 views

How can i recover my specific wallet using the 12 word mnemonic?

I just can't understand how can i use the 12 words instead of writing all the numbers related to the address/private/public keys. When i go to iancoleman.io the output is several addresses, private ...
0
votes
1answer
35 views

UNIX END TIME January 19, 2038 - Will it affect Timelock nLOCKTIME smart contracts past that date?

So UNIX END TIME is January 19, 2038. What will happen then to the btc TX that looks at Unixtime for nLOCKTIME transactions? Will any Locktime transaction past that date, say to 2040 be an issue? Or ...
1
vote
1answer
44 views

Do Trezor wallets always generate the first account at the same index?

When a user sets up their Trezor hardware wallet to store bitcoin, does the wallet always create the first account at index 0? Is it possible for a user to generate an account at subsequent indices if ...
6
votes
1answer
456 views

How can I create P2TR addresses with Bitcoin Core 22.0?

I'm trying to test P2TR with Bitcoin Core, and I don't know how to get taproot addresses. How should I create them using 22.0?
2
votes
1answer
55 views

From a security standpoint, why might a desktop c-lightning user need an additional lightning wallet?

Many c-lightning tutorials on YouTube walk their listeners through the process of setting up a c-lightning node followed by the installation of a wallet like Spark-wallet. I just don't get it why do I ...
3
votes
1answer
161 views

How could a 2 byte witness program make sense?

BIP141 requires the witness program to be 2-40 bytes for segwit versions 1-16 (for v0 it must be either 20 or 32 bytes). When would a 2 byte witness program ever make sense? The 16 bits entropy is ...
0
votes
1answer
30 views

Why is Bitcoin Core 22.0 not on bitcoin.org?

I just updated Bitcoin Core wallet. I wonder why the latest version on bitcoin.org is 21.0, while on bitcoincore.org the latest version is 22.0. Why is 22.0 not available on bitcoin.org? Is it okay to ...
1
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0answers
90 views

Transfer Bitcoin Core data into a database

I've downloaded Bitcoin data locally via the Bitcoin Core app install and sync. I'm looking to build a system though which users can query their account balance. I'm thinking of building a simple web ...
0
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0answers
17 views

Reciever hasnt got my deposit [duplicate]

bascilly i deposited £91 in the receiver address on 3ocassion prior he says he not recieved deposit but on blockchain it was received from 7.17am Then the investor kindly tellsme at 2.30 pm its not ...
1
vote
1answer
45 views

How can a block validate a merkle-root if it is all hashed?

I am trying to understand how another block validates the transactions through the merkle root. Shouldn't it be impossible to know what hashes the merkle root is hashed from because you can't reverse ...
0
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1answer
29 views

Can I trace Bitcoin transactions using spent_transaction_hash?

I've spent some time analyzing Bitcoin transaction data and found out that the input column has this value called "spent_transaction_hash". In the dataset, the definition of this value is &...
3
votes
0answers
88 views

Tests for Pay To Taproot addresses?

I am having trouble finding examples showing a known WIF to a valid mainnet P2TR address. I am working on a tool and want to see if my P2TR conversions/encodings are outputting the correct P2TR ...
1
vote
1answer
47 views

Can Bitcoin Core 0.9.5 still fully sync?

Solo Linux GPU bitcoin miner here (doing it for fun not profit so please, no 'what's the point' answers). Working mining software for this purpose is far and few in between, but I have been able to ...
0
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0answers
18 views

Binance get quantity got from trade

I'm working with the Binance API. I can't find a way to calculate how much amount of a certain asset I get from a trade after commissions. E.g. if I spend 100 USDT to buy BTC worth say $200 each since ...
0
votes
1answer
56 views

public key to private key using HASH TABLE (Pollard's kangaroo for SECPK1)

I have done a little bit of research on HASH TABLE (Pollard's kangaroo for SECPK1) I was wondering if there is any way to extract the private key range using the public key or the public address..??
1
vote
1answer
61 views

Recognizing Taproot outputs in raw transactions

What can be the contents of an P2TR output script? Is it always OP_1 0x20 <32-bit public key>? Can multisig script be there, and if yes - in what format, and more importantly - how do I convert ...
1
vote
1answer
29 views

ONCHAIN channel state in c-lightning

What does "ONCHAIN" mean in c-lightning channel state? I guess means the channel is closed, but how to move those sats, or make them available to use in another channel, and completely ...
0
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0answers
28 views

What is a safe amount of characters in a passphare?

The coldcard and trezor both has support for a passphrase. What amount of characters in this passphrase that would be considered unbreakable with current technology and within some years of ...
2
votes
1answer
45 views

How can I keep my disk usage under control when regularly running the Bitcoin Core functional tests?

What directories should I delete regularly to keep my disk usage under control when regularly running Bitcoin Core and the unit/functional tests?
0
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0answers
25 views

BTC synchronization in Bitcore

I had kept some BTC for for synchronization in BITCORE but now I need money, so want to SELL my BTC but the process of synchronization is still going on..... In that case can I stop the process of ...
0
votes
1answer
79 views

How can I Recover my Lost Bitcoin [duplicate]

how can i recover 3.617BTC i Lost to This investment Website , i invested in bitcoin on the website ""Coinfoxltd.com"" through one of their account mangers Julia Adam. I tried to ...
0
votes
1answer
40 views

Just to be sure, the downloads at bitcoincore.org are the safer ones?

(more than bitcoin.org?) And a few more questions regarding this: Why did they change the naming of the versions from 0.xx to xx.0? (latest update changed from 0.21 to 22.0). Why they did not add ...
0
votes
1answer
38 views

Electrum wallat.dat

I have an old electrum wallet.dat that is password protected. I know the password, but the seed is lost. Can this be recovered? When trying to open the wallet in electrum, there is an error
0
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0answers
21 views

Bitcoin UTxO sppend smaller or bigger [duplicate]

I'm building bitcoin wallet and i'm not sure if it's better to spend smaller UTxO first or bigger UTxO?
0
votes
1answer
33 views

Bitcoin price history data [duplicate]

I need to get the Bitcoin price historical from when it started till today to generate graph and I don't won't to use any third party api. How this big companies are getting this Data From where are ...
0
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0answers
38 views

Help Unlock Bitcoin Wallet [duplicate]

I have a lot of BTC in my wallet, but a virus infected my old computer. I remember the login, but there is no password and mail (((Is it possible to do something ???
0
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0answers
49 views

Decode Raw Bitcoin Hexadecimal Transaction

I have been using this excellent site one amongst many that offer to Decode Raw Bitcoin Hexadecimal Transaction....https://live.blockcypher.com/btc/decodetx/ Well, the site was down for a bit and that ...
1
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0answers
49 views

Lightning Network node collusion

I' m learning about Bitcoin and LN enjoying Antonopoulos's excellent "Mastering Bitcoin" book I stumbled upon Figure#7 in Chapter 12 https://github.com/bitcoinbook/bitcoinbook/blob/develop/...
1
vote
0answers
29 views

I am getting an RPC error when trying to run any Bitcoin-cli commands on Ubuntu

I asked this question on AskUbuntu and was told to post it here. https://askubuntu.com/q/1373657/1519292 I am trying to follow the Mastering Bitcoin tutorial. After compiling Bitcoin Core, and ...
0
votes
1answer
59 views

I sent bitcoin from coinbase to my wallet, but it never got to my wallet. It says the transaction was completed. Can I get it back?

When I logged into my wallet, the bitcoin never showed up. Is there a way I can get the money back from Coinbase?
2
votes
0answers
90 views

Could the Lightning Network encounter any problems as a result of Taproot activating?

I was reading this excellent write up from Laolu Osuntokun on how the light client protocol Neutrino encountered a Taproot related issue on testnet. (Taproot is already active on testnet.) Could the ...
1
vote
2answers
36 views

If I have a public wallet address can I calculate its other wallet addresses?

Lets say someone else generates 100 bitcoin addresses using the same private key. If know one of the public addresses, can I deduce the other 99 public addresses?
0
votes
2answers
71 views

I withdrawed a small amount of BTC from Coinbase Pro to Electrum and it was immediately sent to another address

Weird... I took out a small amount of BTC from Coinbase Pro, generated a new receiving address in Electrum, and as soon as the transaction came in, the BTC was transferred to an address which I do not ...
0
votes
1answer
29 views

Account Extended Public Key from mnemonic

tell me please, how we can receive Account Extended Public Key from mnemonic phrase via PHP or Python? Or possible in internet we have ready console scripts? I'm going to https://iancoleman.io/bip39/ ...

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