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Questions tagged [bitcoin-qt-setup]

[Bitcoin-Qt-Setup] collects questions about building, compiling, installing and debugging Bitcoin-Qt.

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What does setting the "-server" flag do?

I'm running the GUI version of Bitcoin Core. But I want to also be able to interact with bitcoin-cli in my Windows console. Apparently I need to set the -server flag before running bitcoin-qt, or set ...
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1 vote
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21 views

Limit in adding Watch address in bitcoin core

Is there any limit in adding number of watch address to bitcoin wallet? Am thinking of adding thousands of address to watch list. If i do so what are complications we may face, performance impact?
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Error in configuring Qt with Bitcoin Core on Windows

I was following this (https://github.com/bitcoin/bitcoin/blob/master/build_msvc/README.md) documentation to install Bitcoin core on Windows 10. I have successfully configured Bitcoin core with ...
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Why can't I use Bitcoin-QT while bitcoind is running as a Windows service under NSSM?

Why can't I use Bitcoin-QT while bitcoind is running as a Windows service under NSSM? Is there a trick to this? For me to use Bitcoin-QT, I have to stop my windows service and then open it. Or should ...
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What will happen once i have a full node? [duplicate]

Will coinbase rewards show in my balance. or do i have to make them show myself if so how do i find out anything from console as when command listunspent and it returns [ ] why is this?
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1 vote
1 answer
119 views

Bitcoin Core Error

I'm having an issue downloading the bitcoin blockchain on a new computer. I downloaded it all day yesterday without issue (80% downloaded) and then when I woke up this morning the computer was still ...
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1 answer
113 views

Bitcoin-qt attempts to load its old wallets. How can I configure it so that it does not do it?

Warning: Skipping -wallet path that doesn't exist. Failed to load database path '/home/jerzy/.bitcoin/testnet3/wallets/blank'. Path does not exist. I get this warning anytime I launch it with nohup ~/...
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1 vote
1 answer
374 views

Is there a faster way to download IBD for bitcoin core?

I am trying to setup a node using bitcoin core https://bitcoin.org/en/bitcoin-core/ but it is taking ages to download. Running for past 2 days and downloaded only 15 % . I have a decent internet ...
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173 views

Running bitcoin-qt as client

I want to configure bitcoin-qt to work as a 'client' for parallel bitcoind server (the same way as bitcoin-cli), but I don't see any relevant configuration options. In my PC bitcoind has folowing ...
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2 votes
1 answer
50 views

Can I merge blockchain downloads?

I downloaded the most recent 15GB of the Bitcoin blockchain. But I also have a back up from a year ago when I downloaded some more. Can I merely copy the old blockchain files into ~/.bitcoin and have ...
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1 answer
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Payout address format has changed?

When I run bitcoin-qt, it sets up a default wallet. When I ask it for the recipient address for this wallet, I was expecting something like 1FGasdfasdfasdf123asdfasdf. However what it actually ...
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QT compiling for Debian systems

Bitcoin version : 0.21 System: Ubuntu 18.04 All dependencies installed. I am using Depends system to compile QT wallet. I compiled all three (Mac, Windows, and Ubuntu) successfully. All run just fine....
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I found 10 different wallet.dat files on my computer. How can I tell which has money in it? Bitcoin-core-qt

In cygwin I did "find / -name wallet*.dat" and found 10 wallet*.dat files on my Windows box. Some have 2005 dates, some are newer. Q: How can I determine which one has the money in it?
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BTC wallet recovery: I have a 12 word backup, what do I do?

I have the 12 key seed phrase from a 10 year old Bitcoin-qt acct, but don't know what tool to use to turn it into a wallet. Obviously I am terrified to put the seed phrase into any ONLINE tool. I want ...
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  • 103
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1 answer
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Unable to return BlockHashes when I run this generatetoaddress

I have downloaded and fully synced with my Mac last Saturday, my Bitcoin Core version is v0.21.0 and my Bitcoin-Qt version 5.9.8. I did run other RPC commands such as "getrpcinfo" and it did ...
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1 answer
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Error compile bitcoin mac OS

I have straggle to compile bitcoin core on mac OS machine. it has an error as the following: /usr/local/include/QtCore/qglobal.h:667:65: error: expected '>' typename = std::enable_if_t<...
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Can I start a Bitcoin Private Node using bitcoin-qt?

Currently I am starting a private node using: bitcoind -regtest -port=11111 -datadir=.\data -rpcport=11112 I can't find the -regtest option in qt.
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Why can't I minimize to tray when I launch Bitcoin on startup?

If I set Bitcoin Core to start on system login, the option to "Hide tray icon" and "Minimize to tray" become disabled. On my system (Pop_OS!) This causes bitcoin-qt to be neither ...
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PLEASE help me get armoury to online on my mac?

Macos 10.11.6 El Capitan Armoury 0.93.3 BitcoinQT v0.17.1 I have to use those software versions to get them to open in OS10.11 I cannot get armoury to go online. PLEASE HELP ME. Both apps open ...
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Can I remove the initial bitcoin folder after installing its binaries to /usr/local/bin?

I know this's kinda a noob question, but I really want to be sure I'm not making a mistake. I want to install Bitcoin Core GUI on my Linux by the following steps: Download bitcoin-0.20.1-x86_64-linux-...
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Bitcoin core Recent Transactions seems Empty

I have setup bitcoin core 0.20.1. Everything is set up correctly, I made a transaction on main net - but it is not showing under recent transactions. Though transaction is confirmed on blockchain. ...
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Bitcoin QT wallet.dat file location? [duplicate]

It's been since 2013 when i was mining bitcoin that i have used and synchronized this wallet. I've tried a few times several years ago but it literally takes days, if not weeks now to synchronize, AND,...
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1 answer
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Running both bitcoind and bitcoin-qt for use with lightning

I've been toying around with bitcoin & lightning nodes. I like having the Bitcoin Core Qt GUI around for things, but also like being able to change specific configuration / startup flags (maybe ...
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1 answer
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Can I see transactions in bitcoin-qt without downloading blocks? if I have a server with blocks on the local network?

I have server with bitcoind (synchronized), port 18443 opened. And I tried to connect to rpc server with bitcoin-qt in my mac. With this configuration: regtest=1 rpcuser=<login> rpcpassword=<...
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Should I Encrypt my Wallet for Cold Storage?

I understand that the Bitcoin QT wallet is already encrypted to some extent when I use a password. Is it best-practice to further encrypt the wallet file for long term storage?
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Bitcoin V0.1 Not Connected

My Bitcoin V 0.1 says, "not connected" when I try to generate coins. I have ensured the port is connected through the firewall. Also, I have read that V 0.1.3 corrected this problem. However,...
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1 vote
1 answer
136 views

Do I really have to place my wallet file in the data directory?

I run bitcoin-core QT and I downloaded the full ledger data to an external HD so I can move between machines. My wallet.dat file is secured someplace else. I start-up the QT client giving the external ...
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1 vote
1 answer
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Delete Bitcoin Qt Mac: System folder inflated in size, although "Application Support/Bitcoin/" and app deleted

I downloaded Bitcoin Qt and the entire blockchain, now I'd like to delete it. I followed instructions from various search results, which all instructed to delete the app and to delete all data (where ...
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2 answers
264 views

Flatpak bitcoin-core not generating .cookie file

I'm using the version of Bitcoin-Qt 0.18.1 that comes with Flatpak. I've looked in the Bitcoin datadir, which is in ~/.var/app/org.bitcoincore.bitcoin-qt/data/ and there isn't any .cookie file there. ...
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  • 137
1 vote
1 answer
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Bus error (core dumped)

Running a new install of Ubuntu 18.04.3 LTS and downloading blocks in bitcoin-qt up to over 70% when pgm quits with "Bus error (core dumped)". Anyone else gets this or how to fix it? (-rescan didn't ...
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1 vote
0 answers
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OCP-QT Wallet (Based on Bitcoin QT) Cannot fnd Locales 'qrc_bitcoin.cpp'

I a trying to Compile an Altcoin wallet that has been Forked off Bitcoin but i am getting this error when i try to compile: /usr/lib/qt5/bin/rcc -name bitcoin src/qt/bitcoin.qrc -o qrc_bitcoin.cpp ...
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0 votes
1 answer
100 views

Validate 3rd party transactions on Bitcoin-qt debug window

Is there a way to validate a random transaction via transaction ID on the debug window? Imagine I want to validate a transaction between 2 wallets I don't control. I believe its possible to check if ...
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4 votes
2 answers
3k views

After downloading the entire Bitcoiin blockchain from a torrent, what are my next steps to link it to Bitcoin Core 0.17.1?

I downloaded the entire bitcoiin blockchain into my external mounted drive as seen below and named the directory bcore. I then did a symlink to that folder like this in my home folder (~) location : ...
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2 votes
0 answers
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Does Bitcoin Core v0.17.0 run on native wayland?

I'm trying to run bitcoin core v0.17.0 on Wayland on Fedora 29. When I run bitcoin-qt I receive Warning: Ignoring XDG_SESSION_TYPE=wayland on Gnome. Use QT_QPA_PLATFORM=wayland to run on Wayland ...
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0 votes
1 answer
65 views

How to recover Bitcoin sent to example address on Bitcoin.org info page

Please, I am very new and accidentally loaded funds into a sample wallet on the Bitcoin.org information site instead of my personal wallet. This happened October 11, 2018. Would you please help ...
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0 votes
1 answer
524 views

Failed to build Bitcoin Core from source, Ubuntu 17.10

I'm building from source v0.16.0 on Ubuntu 17.10 I cloned the repo, checked out on v0.16.0, ran ./autogen.sh followed by ./configure CXXFLAGS="--param ggc-min-expand=1 --param ggc-min-heapsize=32768" ...
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5 votes
2 answers
179 views

Getting Started With Script

I would like to manually write a few locking and unlocking scripts to get a deeper feel for that part of the network. What is the simplest step-by-step set of instructions to set up everything needed ...
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0 votes
1 answer
923 views

How to listen to an address or transaction_id continuously?

I am running bitcoin core on my node. I have two questions. 1) I want to get notified whenever there a new transaction in the blockchain. 2) If I give an address, I should get all the details about ...
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1 vote
3 answers
859 views

Splitting BTC and BCH from cold storage using bitcoin core wallet sending to exodus

I had BTC long before the forks of BCH (bitcoin cash) and any of the others. I wanted to finally split some BCH off of my BTC and so this is what I attempted to do Bitcoin Core Wallet Send to Exodus ...
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1 vote
1 answer
429 views

Compiling bitcoin-qt error: ld.exe: cannot find -lsecp256k1

I have followed the guide "Building headless Bitcoin and Bitcoin-qt on Windows" but with a more recent altcoin source code to test. The compilation stop on ld.exe: cannot find -lsecp256k1 Is one ...
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0 votes
2 answers
73 views

txtnindex=1 but balances still zero?

I'm running a full node (v0.16.0). I added txnindex=1 to my configuration file and restarted the Bitcoin-Qt. It took 2+ days to build the index but when I check addresses with known final balances>0 ...
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0 votes
2 answers
1k views

How to properly terminate a bitcoin-qt process?

I run my bitcoin-qt on headless raspberrypi where it runs pretty smoothly. The Issue starts when Marco gui crashes via vnc so the Bitcoin-qt GUI is hanging although that deamon is still running as a ...
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2 votes
1 answer
2k views

How to run Bitcoin Core behind corporate proxy?

I'm want to run Bitcoin Core client on TestNet and I need to config it for using under corporate proxy. Since I'm using Squid to set proxy for my system I should set "localhost:3128" somewhere... but ...
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5 votes
3 answers
2k views

Passphrase works in Bitcoin QT, but does not in Bitcoin Core

I found an usb stick with a wallet.dat. There is also an old notebook with Bitcoin Wallet v.8.6-beta on it. Unfortunately I can't sync it on my old notebook and therefore I am not able to send BTC to ...
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1 answer
453 views

How to start Bitcoin-qt with Bitcoin Cash?

First of all I do not trust online wallets so I download full blockchain with Bitcoin-ABC. Unfortunaly bitcoin-abc does not contain bitcoin-qt binary. So my question is it possible to start original ...
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3 votes
1 answer
991 views

How to save the bitcoin core (bitcoin-qt) database for later?

Say I've received some Bitcoin using the Bitcoin Core wallet on some linux machine. Say I'm done playing for now. So now I want to free some disk space by deleting the huge database from this machine ...
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1 vote
1 answer
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Does GNOME or KDE desktop enviroment matter, at running a BitcoinCore node?

I have just installed Debian 9 (my first linux OS), and I am now choosing my Desktop enviroment. I have doubts at choosing between GNOME and KDE. I know that both are conpatible with BitcoinCore, but ...
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0 votes
1 answer
315 views

Why is Protoc 3.0.0 breaking Make Install of Bitcoin source?

I am trying to build bitcoin from source, and am running into some problems with protoc, when I run sudo make install on the source code I get a version error for protoc: sudo make install Making ...
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1 vote
0 answers
717 views

bitcoin.conf file on mac

I have installed bitcoin core on mac and accessed the config file from the preferences tab on the bitcoin-qt. Now, I have started testnet on it by the below settings. testnet=1 server=1 rpcuser=...
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1 vote
0 answers
996 views

Is there a guide to uninstall bitcoin core ? Installation mess

Hi i'm wanting to do a full uninstall of bitcoin core and to follow a book that i've recently bought on programming on the bitcoin blockchain. I've tried removing all the data and running: sudo ...
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