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50 views

Unable to transfer my BTC funds from app wallet

How can I remove my Bitcoin from an app-based wallet? It's a non-custodial wallet and generally gets good reviews. I've tried to transfer the BTC from the app to my hardware wallet three times now, ...
0 votes
1 answer
352 views

Generating P2WSH addresses | Is there a standard WitnessScript?

For the examples below I am going to be talking of 1-of-1 multisig only derived from a single private key. For P2WPKH, the address is generated using using hash160 of the public key which acts as the ...
1 vote
3 answers
2k views

help can I recover ltc sent to a btc address

Im super new like a lot of people. I have a nano s ledger and I attetpted to send ltc from coinbase to the ledger only to realize I used the btc address on my ledger. Is this recoverable?
0 votes
3 answers
2k views

Recovering LTC coin sent to a BTC address

I have mistakenly sent LTC coin(Using bittrex) to my BTC wallet(Zebpay). I have not received the coins yet. The transaction is showing 6+ confirmations on blockcypher and not showing anything in ...
39 votes
4 answers
12k views

What are checkpoints?

I often read that checkpoints protect the network from a 51% attack because an attacker cannot reverse transactions made before the last checkpoint. How exactly does this checkpoint mechanism work? ...
0 votes
1 answer
60 views

From Edge to Poloniex

Bought bitcoin and have a balance in a exchange account at Poloniex. Is there another step I need to take or is this where the estimated value that changes is where I will be able to send this back to ...
0 votes
0 answers
6 views

How to send bitcoin transaction from native segwit to any bitcoin address in javascript or node js

Can any one tell me how to send the bitcoin transaction from native segwit address starting with bcXX in node js.
1 vote
1 answer
16 views

How can I accept Lightning channels with fewer confirmations in LDK?

For testing purposes, I want to reduce the number of confirmations required until a LDK-based Lightning node deems a channel ready for operation. How can I accomplish this?
0 votes
0 answers
16 views

Bitcoin Core not updating to latest block

I have Bitcoin Core 24.0.1 64bit on Windows 10 which is seemingly stuck on updating with the latest transactions. It seems also that I have port 8333 blocked (checked on https://canyouseeme.org/), but ...
0 votes
3 answers
316 views

I lost my passphrase to my 150 BTC wallet

Yeah, title says it all, I lost my passphrase from my Bitcoin Core wallet I made in 2009, losing around 3.200.000€ ( 150 BTC ). I would love to know if there's any possible way I could recover the ...
0 votes
2 answers
167 views

Wallet ID on blockchain.info credentials and seed compromised

What should I do if a scammer obtained access to my crypto wallet? Are there any further risks other than losing the money contained within it ? Will he use it to perform transactions on my behalf? ...
0 votes
1 answer
14 views

How install electrum for other users?

I install electrum on admin usage. Due to security I do not want to use admin account to use the wallet (the computer has no other use). I want to use normal account. So I created another account. It ...
0 votes
0 answers
20 views

How do I get the Primes from Primecoins blockchain? [closed]

Primecoin uses a novel technique to find new prime numbers, and its raw blocks can be found here: https://chainz.cryptoid.info/xpm/block.dws?5114841 And I'm trying to extract the prime numbers it has ...
0 votes
1 answer
147 views

ListWalletDir: Access is denied D:\System Volume Information

My BTC Core wallet is not yet fully synchronized, now I got this message in the debug Notepad ''List Wallet Dir: Access is denied D:\System Volume Information'' and whenever I move the mouse over the ...
0 votes
1 answer
141 views

fatal error using Win Bitcoin core to create node

It ran about 10 hours, loaded 70% of blockchain, now always this error in debug.log on restart 2021-06-21T14:11:58Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=1801, nPos=...
0 votes
1 answer
25 views

Transcation is confirmed 13/6(needed) but still red in bitcoin core and not recieved in wallet?

I've used BITCOIN CORE to recieved bought BTC. And then I've sent this to a "dwWallet" but still I've not recieved the funds, and I'm absolutely sure, it's not a mirror scam shit, and so on. ...
1 vote
1 answer
90 views

How to choose a nothing-up-my-sleeve (NUMS) point on secp256k1 for use in Taproot?

Per BIP-341, if you want to create a Taproot output that is only spendable via the script-path spend (and not a key-path spend), you must "pick as internal key a point with unknown discrete ...
1 vote
1 answer
41 views

Is there a particular order in which transaction inputs are checked for script validity?

When a transaction is being checked for validity, is there a particular order that the inputs are evaluated for script correctness? This might be relevant when determining what consensus changes might ...
2 votes
1 answer
28 views

Electrum private key sweep

I'm trying to sweep private keys in Electrum but it asks to input: p2pkh:, p2wpkh: or p2wpkh-p2sh before the keys based on the address. I only have the keys but no address, how can I proceed with this ...
4 votes
1 answer
64 views

Does ordinal theory affect fungibility?

I've read the ordinal theory post on Casey Rodarmor's blog and the article by pourteaux and I'm trying to wrap my head around ordinals and what they are exactly. Are ordinals just serial numbers ...
2 votes
1 answer
40 views

Bitcoin P2P network: unable to receive the full block data (witness stripped off)

I wrote a small script to play with the bitcoin P2P network. The script advertises itself as (NODE_NETWORK | NODE_WITNESS), and connects to a full node running on the LAN. Everything seems to work ...
1 vote
1 answer
18 views

Incoming and Outgoing Node Connections

Should I be concerned that I only see "Out" connections, and not "In" connections? What does this mean? Is everything fine, or is there something I'm doing wrong?
1 vote
1 answer
54 views

Rescuing Bitcoin (Cash, Diamond, etc...) from wallet.dat on ancient PC

I recently found an old wallet.dat file on an ancient computer running Debian GNU/Linux. The file might be as old as 2012 or 2013. These are the outputs of "lscpu" and and "lshw -short&...
2 votes
1 answer
154 views

Connecting A Wallet To A Pruned Node

I’ve connected Sparrow Wallet to a pruned Bitcoin node but none of my UTXOs are showing. I would imagine that since I haven't spent them and since pruned nodes still keep the entire UTXO set, my ...
8 votes
1 answer
310 views

Follow-up to Segwit: Arbitrary data storage in witness?

In 2017 a question about Segwit: Arbitrary data storage in witness? asked whether people wanting to store more data in the blockchain than OP_RETURN allows could instead store data in the witness ...
2 votes
1 answer
66 views

What is the maximum number of taproot transactions that can be mined in a single block?

If all transactions in a block were spending one p2tr output using the key-path spend and sending to a p2tr output, how many of these transactions could we fit in a single block?
1 vote
1 answer
34 views

If bitcoin was created as a currency, why is it used as a trading asset

I just read Satoshi Nakamoto's whitepaper, and in that it states bitcoin is designed and meant to be a decentralized form of electronic currency. But even though this was the original idea of bitcoin, ...
3 votes
2 answers
711 views

Why CHECKMULTISIG bug can't be solved?

I was reading Mastering Bitcoin and I read about a bug in CHECKMULTISIG. If the starting ideas of this command should work like this <Signature B><Signature C> M <Public key A><...
2 votes
1 answer
20 views

LND seems to ignore CSV delay settings when opening a channel

LND v0.15.5-beta In my lnd.conf file I have the following lines: bitcoin.maxlocaldelay=144 bitcoin.defaultremotedelay=144 When I try to open a channel using lncli, I get the following error message: $...
1 vote
1 answer
73 views

What is the flow of buying crypto on behalf of users?

I am building a crypto on-ramp for users in emerging markets that allows users to buy crypto via debit/credit cards, mobile money, etc. What is the flow of buying crypto on behalf of users? From ...
4 votes
1 answer
63 views

What is the asm section of scriptSig

I am trying to understand the output from bitcoin-cli. The sample transaction's txid is 061959f1a3360d3781a870b2d43f73f7105b194b22f3765fcb9b8f545f9c8317, from block 222,222. The asm section of ...
5 votes
1 answer
219 views

Should I keep my Lightning node data around after decomissioning?

Let's say I have a Lightning node, and want to shut it down. All its channels have been closed, and its onchain wallet has been drained. Is there any reason why I'd want or need to keep some or part ...
1 vote
1 answer
94 views

Can I create multisig vault using same private key with different passphrases

I tried Blue wallet. I created vault using same private key with 3 different passphrases for vault key 1,2, and 3. However, I can only receive the fund, but can’t send it because of an error that says ...
0 votes
1 answer
192 views

Missing Witness field in p2wpkh decoded tx hex

I have placed together a raw tx hex but when it's unable to be broadcasted as I keep getting an error below sendrawtransaction RPC error: {"code":-25,"message":"bad-txns-...
1 vote
1 answer
784 views

I have been asked to download Trust wallet, and was sent funds from watch only address. Sender is asking me to deposit $200 from cash app to get 5k

Someone asked me to open a watchwallet. Sent me over 2k “on watch” asking me to send them $200 to their cash app in order to get my $200 back, keep all the money in my watch wallet, and another 5k. ...
5 votes
1 answer
353 views

Was the lifting of the Taproot transaction size limit "accidental"? Why would ordinals want to fill a block with OP_RETURNs?

I was reading this Twitter thread from pourteaux. I'm pretty sure there are some inaccuracies in it but I have a couple of questions. He states: Taproot accidentally blew up the old transaction size ...
0 votes
1 answer
106 views

PHP Blockcypher error validating generated transaction: Error running script for input 0

Attempting to use Blockcypher's /txs/send endpoint using detailed here: https://www.blockcypher.com/dev/bitcoin/#creating-transactions and I'm getting the following error: Error validating generated ...
1 vote
1 answer
22 views

LN-Channel: Do I have to use new private keys for each HTLCs out of security?

I have a question regarding the security of HTLCs in a LN-channel. In a LN-transaction with multiple HTLCs (routings) to the destination one is using the signature of each node provider so that the ...
0 votes
1 answer
80 views

After a long connection to the wallet, it offers to reinstall blocks and synchronize all Bitcoin core blocks

1)I installed bitcoin core on an ssd drive. Some time did not include it, a month after the inclusion of bitcoin core when you start the application with ssd asks to re-download all the blocks, the ...
5 votes
1 answer
71 views

How does one become a DNS seed for Bitcoin Core?

How does the process work? Do Core devs add a DNS seed based on reputation or what?
0 votes
0 answers
107 views

Is it true that Taproot accidentally now allows for NFTs stored on chain up to 400kB per NFT? And is there no solution/mitigation defined yet? [duplicate]

This post raises some questions: https://twitter.com/pourteaux/status/1618364013712375810?t=uHlLpWVz_ACFPrKAwF68XA&s=19 My main question is whether the above post actually constitues a correct ...
0 votes
1 answer
398 views

2009-2011 digital wallets

Is there away to find digital wallets online from 2009-2011. With the wallet ID - 12 words - 64 private n public - bit address - hash - signature. - my friend who died left me to remember before he ...
1 vote
1 answer
79 views

Lightning bumpfee completes but doesnt create a new transaction. Instead it waits in "pending sweeps"

I had a Lightning channel open transaction pending for 24 hours due to a low fee. So I issued a bumpfee for the output index like so: lncli wallet bumpfee --sat_per_byte <new_fee> <txid>:&...
0 votes
1 answer
123 views

Using the Bitcoin Crate to Sign a Segwit Transaction

Using the Bitcoin crate, I'm trying to create a transaction programmatically in Rust that spends an output associated with a P2WPKH address. This is the relevant code snippet: fn sign_transaction<...
1 vote
1 answer
89 views

Broadcasting a transaction as a 3rd party

In a scenario I have a signed transaction from A to B and ready to broadcast. As C, I want to broadcast it but the part I am having hard time to understand is as the transaction is already signed and ...
1 vote
1 answer
96 views

Looking for Bitcoin/Crypto payment processor that will split payments (pay multiple people from sale)

I'm looking for a crypto payment gateway that will allow me to accept payment for a product. It should support splitting the payment between multiple crypto wallets (multiple people).
4 votes
3 answers
57 views

How do I setup an Esplora instance for local testing

How can I setup a local instance of https://github.com/Blockstream/electrs, for example to test/experiment with the Esplora backend for syncing BDK or LDK?
1 vote
2 answers
39 views

Decode a signing raw transaction

I'm trying to compare raw_transaction with a sign_raw_transaction. is there any way to do that ? ( Using rpc commande if possible) What i want to do is : create raw_transaction signing it compare the ...
0 votes
1 answer
90 views

Bitcoin split payment API? (Adaptive Split Payment)

Currently our site works with "stripe marketplace" and we trying to also implement bitcoins. I would like to know that Bitcoins API can give me a split payment service? For example: From ...
0 votes
1 answer
655 views

Setup a private bitcoin network

This question is similar to previosuly asked question Start a Private Bitcoin Network but since I can't comment there I am asking again. I am working on a concept specifically for existing bitcoin so ...

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