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LSP best practices

The problem of getting inbound liquidity on the Lightning Network has given rise to Lightning Service Providers, essentially node operators on the Lightning Network, that provide new nodes with ...
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Post bitcoin transaction directly to specific miner

I am wondering why some users are interested to send their Bitcoin transactions to a specific miner? This should increase the delay because of waiting for the specific miner to win. Are there any ...
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1 answer
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Is there any privacy issue in doing this hard-to-summarize thing with Bitcoin Core?

I have a "hot" wallet.dat with no password, with a small amount of satoshis. Recently, I transferred them all over to my Bisq wallet temporarily to make trades. So the hot wallet.dat has 0 ...
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0 votes
1 answer
11 views

What's the difference between anonymous and pseudonymous electronic money?

You often hear people say that Bitcoin is a pseudonymous system, and that it's not anonymous. What is the actual difference in the context of electronic money? Pseudonymity means that you can see the ...
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can't use importprivkey on descriptor wallet

If the Bitcoin Core Wallet Migration Tool is supposed to be creating descriptors for sparse keys (as it's supposed to support pre deterministic wallets), then why doesn't Bitcoin Core allow using ...
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-3 votes
1 answer
23 views

Do you still have belief on BTC market? [closed]

Do you still have belief on BTC market?
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0 answers
18 views

Who is Adam Ring. Claims he is a CrptoRefund Compliance officer an Agent of Blockchain Access UK Ltd. However I can't find any details on this person [duplicate]

Below is a copy of the details of Adam Ring as stated in his email address. He claims to have NZ$42000.00 to refund to my NZ Bank account from a previous scammer however needs payment to the tune of ...
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0 answers
25 views

Is it possible to do OP_MOD with OP_GREATERTHAN and a few other opcodes?

Currently OP MOD is considered nonstandard in the Bitcoin protocol, but we can for example combine OP SHA1 and OP GREATERTHAN to gain a similar effect. https://www.cs.technion.ac.il/~idddo/...
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1 answer
17 views

Reasons not to rename scriptPubKey and scriptSig to something more intuitive?

I realize that this is how Satoshi named them and there was some reasoning behind these names, but even after years of using them, I find them weird and confusing, especially when e.g. explaining them ...
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  • 271
1 vote
1 answer
94 views

mainnet wallet will refuse to dump privkeys

I created a new wallet in Bitcoin Core v23.x, as expected it created an empty wallet version 169900 descriptors true format sqlite. It seems it created 4 streams of 1000 keys each. Anyway I told it ...
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  • 308
0 votes
1 answer
15 views

Searching The Blockchain Based on Transaction Amount and/or Date

I know there are a lot of services to look up if I have the wallet address or transaction ID. But, let's say I have no idea who the sender or receiver were nor a transaction ID but I know ...
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  • 101
0 votes
1 answer
32 views

Repeating identical outputs in bitcoin transaction

I am building a script that is indexing all bitcoin transactions in real time with all their details etc. But I am looking here at this transaction - https://www.blockchain.com/btc/tx/...
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  • 25
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19 views

Blockchain wallet address dissapeared [closed]

I have a positive balance on blockchain following a xfer from coinbas3 this morning..now when I go to send from blockchain my go-to wallet Addy has vanished from the drop down (From) box. I'm only ...
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1 answer
24 views

Pruning Blockchain and creating multi wallets

I am trying to determine if I could use pruning blockchain option on my future bitcoin node or not. I will create a multiple wallets by RPC calls and I need to be able to check the history of ...
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0 answers
14 views

use cryptocurrencies as a payment method? [closed]

E-commerce has completely changed the way people buy goods and services. However, before, many giants and ordinary companies in this sphere were reluctant to accept cryptocurrencies as payment. But ...
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  • 1
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0 answers
25 views

Withdrawal problem [duplicate]

I think I trusted the wrong person and now after an amount of money that I transfer ,I see my „profits“ but I can’t withdraw them. I don’t know how. Can someone help me? The person I’ve spoken to Im ...
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0 answers
13 views

How to make transaction validator

How can I make a transaction validator on my website: verify if the client has paid, in order to give him access to premium content, I hope and you understand me.
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3 votes
1 answer
127 views

Why isn't `OP_CHECKMULTISIG` compatible with batch verification of schnorr signatures?

BIP342 defines OP_CHECKSIGADD as a replacement for OP_CHECKMULTISIG. In the footnote it's mentioned that OP_CHECKMULTISIG is not compatible with batch verification, but I can't understand why and I ...
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1 vote
0 answers
43 views

How loud (dB) are BTC ASIC facilities/rooms/shelves?

I am just trying to get an idea of how loud (dB) these ASICs are when many of them are grouped up in an area. I know it may vary quite a lot based on the number of ASICs, size of the area, and many ...
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0 answers
13 views

How well does electrum scale with long term use and many UTXOs?

Let's say I've been living in a bitcoin utopia for a decade and I've been using electrum for all my financial dealings during this time (e.g. to receive my salary, get paid for contract work, pay for ...
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1 vote
1 answer
41 views

Is weighed multi-sig wallet possible?

In a multi-sig wallet, each of the public keys is unique. Is it possible to create weighted multi-sig wallet, such that one private key has more power than the others? Case 1: typical Example (need 2 ...
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0 votes
1 answer
25 views

Can multisig wallet can be fooled by adding one more key?

Please consider this scenario. I agree with other party that we will create 2/2 multisig wallet, so we can only spend funds from that wallet together. The other party will create its wallet, generates ...
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  • 47
0 votes
1 answer
45 views

Shasum output of signature keys not matching

My shasum output does not match ANY keys listed on https://github.com/bitcoin/bitcoin/blob/master/contrib/builder-keys/keys.txt ? shasum -a 256 bitcoin-22.0-osx-signed.dmg ...
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  • 11
1 vote
1 answer
26 views

GPG Suite cannot find Thomas Voegtlin's public key for Electrum

I'm trying to reinstall Electrum but cannot find Thomas Voegtlin's public key using GPG Suite, so cannot verify the downloaded Electrum software. Do I just need to keep trying or is there an ...
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  • 33
1 vote
1 answer
22 views

Upper limit on BTC PoW hash rate?

Is there an upper limit on the amount of hash rate for Bitcoin's Proof of Work? Is there a big difference security-wise going from 175 EH to 275 EH?
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  • 11
1 vote
2 answers
31 views

How to know which block I am mining solo in bitcoin core wallet?

How to know which block I am mining solo in bitcoin core wallet? How do I know which block I'm in? And how to know how many blocks are left for me to mine 1 whole block by myself?
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1 vote
0 answers
15 views

Blockchain app won't let me send bitcoin because it says theres nothing in the wallet, yet I have $40 in there

Like the title says, it won't let me send any bitcoin through the "Send" function of the blockchain app, and only prompts me with the "Buy Crypto" button, but I have $40 in the ...
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  • 11
0 votes
0 answers
4 views

Can you give me an example of a P2MS tx at testnet?

I am checking on the test net before applying current update. I'd like to check P2MS, which is "bare multisig," and I'd like to know the testnet transactionID of this. Or is there an ...
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  • 101
3 votes
1 answer
29 views

Which wallets or libraries besides core support (or will support) P2TR descriptors?

I want to help test the WIP Bitcoin Dev Kit "Add support for Taproot and tr() descriptors", PR #593 against other implementations besides Bitcoin Core (already testing again Core 22.0). In ...
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0 votes
1 answer
23 views

Do wallet companies send user's transactions to their own "central" bitcoin nodes?

Do external wallets companies such as muun, bluewallet, or greenwallet send user's TXs to some "centralized" data center where they own some nodes to broadcast the TX to the blockchain? If ...
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0 votes
1 answer
31 views

Isn't the power of blockchain coming from decentralization instead of immutability of blocks?

I've only started exploring the working of blockchain. So what I've gained from guides on Google has me into thinking that what makes blockchain records resilient to corruption is distributed storage, ...
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What are some projects that have taken advantage of Bitcoin's taproot upgrade so far?

Are there any projects as of 2022 May that have taken advantage of Bitcoin's taproot upgrade? I'm still trying to understand what can be built with this taproot feature.
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1 vote
1 answer
16 views

Unprune & Re-Download Failed. Core asks for a "-reindex" due to chainstate, then fails

I was attempting to return from pruned to unpruned chainstate. Unchecked the pruned box. Core cautioned this would require re-download of the blockchain in its entirety. OK, fine. Shutdown Core to re-...
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2 votes
1 answer
39 views

bitcoin core : code released after the rescan ! problem in that?

Help, with bitcoin core : AFTER the Rescan : 1 - rescan 2 - response output, on the debug file out: 3 - FlushStateToDisk: write coins cache to disk (coins, kB) completed (s) , OK 4 - Imported mempool ...
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1 vote
0 answers
15 views

How to import private keys from Multibit 0.5.13 to another wallet?

Can anyone help trying to recover funds from my multibit wallet? I have the key file and private keys. Is there any way I can import them into another wallet? I tried to sweep them with electrum, that ...
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  • 11
1 vote
1 answer
109 views

Segwit includes the input amount in the SignatureHash. What possible attack can this prevent?

Legacy transactions only include transaction components in the SignatureHash, but segwit transactions also add the amounts of inputs in the SignatureHash. Quoting from the Mastering Bitcoin Book: ...
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1 vote
0 answers
24 views

Electrum 4.2.1 GUI - Console payto error

I am using Electrum 4.2.1 GUI. I have tried using command payto in console and got the error below. What I can do? Is there any new command for this version or I am missing configuration? >>> ...
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-1 votes
0 answers
16 views

Help me with some ideas about a blockchain infused world in near future scifi setting? [closed]

I am writing a short story that takes place in the near future. The story takes place on a space station, perhaps 20-30 years in the future, and I want to incorporate a potential future use for ...
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4 votes
1 answer
2k views

How is mining the exact same hash on every computer avoided?

How does the mining clients make sure that the seeds are not the exact same computed on every mining rig in the world with for example a GTX 1080 with the same speed? So that it is not the quickest ...
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  • 41
0 votes
2 answers
41 views

How would one turn a Miniscript tree into a Taproot tree with Taproot'd Miniscript?

How would one turn a Miniscript "tree" into a Taproot tree with Taproot'd Miniscript? (To be clear unlike a Taproot tree a Miniscript tree likely would't be surfaced to the user. Breaking ...
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-1 votes
0 answers
15 views

calculate tron tether transaction fee [closed]

using tronweb package in nodejs I'm trying to make transactions with USDT smart contract the problem is I need to calculate the transaction fee and after reading the docs I didn't find any matching ...
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0 votes
0 answers
14 views

How to verify Bitcoin transaction against a specific user? [duplicate]

I am working on project .i have a functionality where user can submit bitcoin to my wallet .and after submitting bitcoin a payment page will open and user will fill payment details e.g his/her bitcoin ...
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0 votes
0 answers
25 views

How can I import my private keys in Bitcoin Core v23.0?

I have synchronized the whole blockchain. I have imported my private keys but balance stays on 0.00000000 BTC. I imported my address and now my BTC shows as "watch-only" in overview. How do ...
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0 votes
1 answer
58 views

How can I send all coin from bitcoind in one command without being manually involved?

I have tried with the commands below sendtoaddress <address> `bitcoin-cli getbalance` "" "" true sendtoaddress <address> "bitcoin-cli getbalance" "" ...
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  • 21
2 votes
1 answer
58 views

Probability of mining maximum of 3 block in next 20 minute

I know that block interval in bitcoin blockchain is exponential distribution. Now I want to know what is the probability that maximum of 3 block will be mined in the next 20 minute?
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1 vote
0 answers
309 views

crypto.com defiwallet sends bitcoin to random segwit address if a bitcoin taproot address is selected after confirmation of the correct address [closed]

When scanning the QR code of a taproot address with the DefiWallet of crypto.com the app will correctly show the taproot address, not give any warning of unsupported format or other error message (...
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-3 votes
0 answers
45 views

Reduce dust limit and reduce MinRelayFeeRate

I think its time to acknowledge that fee rates will go down over time. Thats just the natural way of things anyway, they get cheaper over time or achieve more for the same price. To stay attractive ...
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1 vote
2 answers
721 views

Can I transfer BTC from BTC (address) wallet to a Lightning (address) wallet?

I would like to know if I can send BTC from a BTC address to a Lightning Network address. I have BTC on an exchange and I would like to move them from the exchange to my Muun wallet. Muun allows on-...
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1 vote
1 answer
11 views

Can I make a keysend/amp payment having an invoice?

I am trying out sending/receiving payments between BlueWallet, Muun wallets and my locally running lnd node. I managed to successfully pay an invoice generated by BlueWallet or Muun from lnd node on ...
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2 votes
2 answers
394 views

There are a lot of 100 input transactions in some blocks, what's the reason?

In block 736302, we can see a lot of 100 input transactions. And this can be seen also in 736567, 736299 and so on. Is this only a coincidence?
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