Questions tagged [bitcoin-core]

This tag should be used for questions pertaining to Bitcoin Core. Bitcoin Core is an MIT-licensed Qt 5 GUI application for the original Bitcoin codebase. Additional/previous names include "Bitcoin-Qt", "Satoshi-Client", and "Standard Client". This tag should be used when referring to the Bitcoin Core software.

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Private key security level

Any of a kind Bitcoin wallet need to share private key on the internet-connected machine. Bitcoin client has no responsibility for to keep private key secure. If your's machine connected to the ...
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1answer
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How to manage externally created addresses?

In my application the private keys are created and stored on a HSM. When a new private key is created on the HSM, it returns the corresponding public key. With this public key I create a bitcoin ...
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2answers
1k views

Installing bitcoin and bitcoincash on same server

I have installed bitcoin core by using its source code in my amazon server by using the instructions given in the below youtube link https://www.youtube.com/watch?v=tG_24G7bj_w Some portion of the ...
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2answers
141 views

How did lose my bitcoin?

I met this guy online and he wanted to teach me trading. so he said I needed to log in my wallet in my wallet which I did then he sent a link of team viewer (https://www.teamviewer.com/en/download/...
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2answers
155 views

rewriting past transactions in Bitcoin [duplicate]

Is it possible to rewrite past transactions in Bitcoin? For example, lets say, we have a super computer with any desirable speed, that would be able to calculate hash as fast as we want. Would it be ...
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2answers
77 views

What role has bitcoin-init as a process?

I have set up a node on a RaspberryPi. When I check for active processes with top I see bitcoin-init occupying 50% of memory and 7% of CPU. I can check for bitcoind and it is active: bitcoin@...
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1answer
53 views

Deduct transaction fee always from 1 receiver address if sending some BTC amount to 2 different receiver addresses in single transaction

Need help!! anyone there.. How to Deduct transaction fee always from 1 receiver address if sending some BTC amount to 2 different receiver addresses in single transaction
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1answer
66 views

Are minimal bitcoin fees nowadays enforced in bitcoin-core?

I read some resources like http://bitcoinfees.com/ and Are Bitcoin fees optional?, and I still don't get this: Does bitcoin-core nowadays enforce (regulates) minimal bitcoin fee or is it completely ...
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1answer
300 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 ...
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1answer
668 views

How to quickly get the balance of any bitcoin address? (with no third-party API)

As some people have mentioned (eg. here), the only way to get the balance of an address in bitcoin core was to import it as a watch-only address and rescan the blockchain. Starting with bitcoin core ...
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514 views

Adding new files to Makefile.am

I need some help with adding files to the code base by adding them to the autotools build system. Other posts that try to answer the same question haven't helped me. I am experimenting with Bitcoin's ...
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1answer
72 views

Configure esplora to point to the bitcoind servers ip address - Part 2

Continuing on from this post: Configure esplora to point to the bitcoind servers ip address Trying to run cargo run --release --bin electrs -- -vvv --daemon-dir ~/.bitcoin, but it kept saying that ...
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1answer
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Blocks seem to store only txIDs, where does the transaction data come from for IBD?

I know that blocks store transactions. After looking into a block, I can see that it only stores txIDs. Question 1 - Where are actual transaction objects stored? If you tell me that it's stored in a ...
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1answer
671 views

need advice for Python interaction with bitcoin-core wallet

I've read about a few Python libraries that performs JSON-RPC calls to bitcoind. However, not many are actively developed/maintained, nor are they widely used in production environment. Since bitcoind ...
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1answer
3k views

How do I relocate my bitcoin data in bitcoin-qt to save space?

I am a rather new Bitcoin user, running bitcoin-qt on Linux. However, due to limited disk space, the application is taking up too much of my drive. I'm guessing this is due to the ever-expanding ...
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1answer
490 views

How To Transfer Coins From Bitcoin Core to Electrum to avoid Sync Process?

I am super new to bitcoin and to be honest am not sure what I'm doing. I needed to buy something via bitcoin, and its recommendation was to download Bitcoin Core Wallet, so I did that and bought ...
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1answer
354 views

How to add support for segwit address and legacy with bitcoin core 0.16?

I've been running bitcoin core 0.15 as regtest, and had X bitcoin in my balance all are from legacy output addresses, As I upgraded to 0.16 core version check in debug the legacy addresses are still ...
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1answer
169 views

Are the original Bitcoin Qt client's developers around and can we ask them to consider a portable version? [duplicate]

Possible Duplicate: How to Make Bitcoin QT Client Portable? (Windows) That is my conclusion. It's better to experiment for myself that asking all these questions I have to restrict myself to ...
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1answer
62 views

How exactly do you “list” available smart contracts that you can enter into?

I've spent a huge amount of time and effort over the years learning about Bitcoin and other cryptocurrencies. I'm very frustrated about how, even after I understand something, it seems to be something ...
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3answers
137 views

Bitcoin Fraud/Recovery Protocol Proposals

Does Bitcoin plan to implement any Fraud/Loss Prevention in their protocol? I just read a story of how Brokerage Exchange Shapeshift, and Internal Employee stealing private keys from their customers. ...

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