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What is the Crypto in Metaverse

When I read about the Metaverse in today's crypto space, I think of Second Life and my understanding is that Metaverse as used in today's crypto space is basically Second Life with VR but this looks ...
1
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1answer
41 views

How much do Bitcoin Lightning Network Watchtowers make in fees to justify their 24/7 server uptime costs?

I understand that a watchtower service for the Bitcoin lightning network requires fees to do their job. How much is this fee to justify a 24/7 server uptime cost? Can one use the bitcoin lightning ...
0
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1answer
29 views

Read Wallet addresses with C# and Berkeley

I have searched all threads, but still couldn't find an answer. I am trying to read from a wallet that is not encrypted, but I am not able to proceed on retrieving the address values, they are byte[] ...
0
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1answer
28 views

Saving diskspace in bitcoin with a sort of snapshot of the blockchain

I am reading that some people try to save diskspace in what information is stored in the blockchain. I am wondering if it is possible to save such a diskspace in taking a sort of snapshot of the ...
1
vote
1answer
46 views

How to identify Taproot transaction using big query?

From bitcoin magazine, I saw that When Taproot/Schnorr goes live soon, they will use the new witness version one to distinguish them from older Segregated Witness transactions. But when I check the ...
1
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0answers
31 views

Greenaddress - client too old

I've got an Android phone with Greenaddress on it, that I've been effectively using as cold storage. I've now put it online to get my BTC off it, and when I try the transaction (using a legacy address)...
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0answers
18 views

What time of encryption from late 2000s contains house, smileyface, squares, letters and numbers?

Have a encrypted password or key typed to paper, i vaguely remember doing it, not sure if note pad was involved or some site , i remeber something about sha-2 , and sha- 256, and why i should use one ...
1
vote
1answer
28 views

Is it possible to combine a native threshold-signature script with taproot?

Assuming we have N taproot addresses, is it possible to create an output that requires the signatures of t out N of those taproot addresses to be spent? I'm looking at a non-interactive protocol (i.e.,...
1
vote
1answer
33 views

What are some of the pitfalls and limitations of Bitcoin Lightning Network Watchtowers?

From my general understanding watchtowers, just watches the bitcoin lightning channels and makes sure no one is submitting a old payment channel transactions. What are some of the pitfalls and ...
3
votes
1answer
155 views

XPRIV/XPUB type for P2TR

As far as I understand, there is a standard that describes what address types an extended private key or extended public key is intended to derive and it works as such: xpriv/xpub => Legacy ...
3
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1answer
107 views

What are Bitcoin Lightning Watchtowers exactly doing for the network and users?

I'm still learning about Bitcoin lightning and learned about watchtowers. What are they doing exactly for the network and its users?
0
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1answer
41 views

What are These Long Addresses in the Loyce.com Address List?

I'm trying to understand Bitcoin address encodings. I understand there's three (four?) different address encodings P2PKH, P2SH, Bech32, and Bech32m (Bech32m just uses a different constant when XORing)....
-1
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0answers
19 views

about the bitcoin, is the new block create by a miner need all other miner verify?

Actually, I have other questions... 1.is the new block create by a miner need all other miner verify?if not, how many miners need to verify and the block main chain can +1? 2.I know bitcoin has four ...
2
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0answers
44 views

Huge dependency graphs for transactions in mempool

I'm creating a web page to monitor bitcoin mempool https://mempoolexplorer.com/ and I've realized that sometimes exists huge transactions dependency graphs in the mempool. I'm talking about +-700 ...
1
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2answers
61 views

Will we have blocks with hash 000...000 (all zeros) in the year ~2070 if hashrate will increase with the same rate?

I have made an estimate on when the total hash rate will be high enough that we might observe blocks that have a hash with complete zeros. ...
0
votes
1answer
35 views

Does running full node in prune mode contribute to BTC network? [duplicate]

If I run current (v22.0.0) full node in prune mode will it contribute to the BTC network (better security, etc..)? In v11.x.x the relay was not working hence no contribution to the network at all (if ...
2
votes
1answer
48 views

Will taproot change public key generation?

Does taproot change how private/public keys/addresses are generated, or just how the transactions are signed? Also, I'd appreciate if someone could recommend me where to look for official sources of ...
0
votes
1answer
36 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, ...
0
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1answer
35 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
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1answer
63 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?
0
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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&...
0
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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
49 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
89 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
vote
0answers
61 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 ...
2
votes
1answer
75 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
61 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
51 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
43 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
33 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
439 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
150 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
29 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
vote
0answers
83 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
votes
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
votes
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
87 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
votes
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
2answers
54 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
60 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
28 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 ...

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