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10 votes
Accepted

How to run Bitcoin Core behind corporate proxy?

Bitcoin doesn't use HTTP for its communications - it has its own specific protocol that runs directly on top of TCP. So an HTTP proxy like squid won't help. If you aren't able to make outgoing TCP ...
Nate Eldredge's user avatar
9 votes

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

You should not use a torrent to download the blockchain. There is no general purpose to using a torrent, as using it makes synchronization slower because validation (which is the slow part) cannot ...
G. Maxwell's user avatar
  • 7,727
8 votes
Accepted

How to compile Bitcoin-Qt as an .exe on Ubuntu?

.exe files are for windows only. Linux systems do not use the same file extension or file type as windows. I assume you just want to create a Linux binary that can be used on all systems without ...
Ava Chow's user avatar
  • 70.9k
7 votes

My Bitcoin Qt is behind 7 years and 32 weeks

If you shut down your PC and then restart, the Bitcoin sync will pick up where it left off. The latest transaction your Bitcoin currently knows about is 7 years old, but it won't take 7 years to ...
Greg Hewgill's user avatar
  • 3,421
4 votes

How to compile Bitcoin-Qt as an .exe on Ubuntu?

Since this is the first result that pops up on google when searching "bitcoin windows depends build" and the user asked how to build the .exe (but was actually looking for static build instructions on ...
TheCharlatan's user avatar
4 votes
Accepted

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

Ok, I think I got it. Here is a short guide based on this bitcoin wiki article. Notes: This does not concern backing up your keys. If you lost your wallet, or your keys, and you made the backup ...
talz's user avatar
  • 171
4 votes

Where is blockchain located on Mac for Bitcoin-Qt?

Quoting https://en.bitcoin.it/wiki/Data_directory#Mac : Mac By default Bitcoin will put its data here: ~/Library/Application Support/Bitcoin/ You can access that folder by ...
Matt Popovich's user avatar
4 votes
Accepted

Bitcoin V0.1 Not Connected

You cannot. There have been both changes to the P2P protocol that prevent this, and changes to the way that nodes are discovered. The method which 0.1.0 discovered new nodes was by joining the #...
Ava Chow's user avatar
  • 70.9k
4 votes

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

If you could download an already synchronized state, you shouldn’t do that. The purpose of synchronization is to produce a valid database containing the state of the network, downloading somebody else’...
Claris's user avatar
  • 15.4k
3 votes
Accepted

Where does bitcoin-qt store it's initial settings

Bitcoin-Qt stores its own modifiable settings outside of bitcoin.conf (which is intended to only be read). The location and format of that file is platform dependent, but on Linux it is ~/.config/...
Pieter Wuille's user avatar
3 votes
Accepted

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

I recommend reading about the Bitcoin Data Directory. You should also take a look at this answer: How do I specify in which directory Bitcoin blocks and other data should be stored? Basically, all ...
Jestin's user avatar
  • 8,812
3 votes
Accepted

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

There is no general purpose to using a torrent? Dude have you ever tried to download the blockchain it takes ages, at first it goes fast for 2 days then it slows down to 0,03% speed per hours (mean ...
Hyper Hektor's user avatar
3 votes

Error compile bitcoin mac OS

I had the same issue, seems like the problem is that I had both qt5 and qt6 installed, and it used qt6. Try running: brew uninstall qt brew install qt5
Ben10's user avatar
  • 31
2 votes

No menu in Ubuntu bitcoin-qt

This solved it on Ubuntu: sudo apt-get remove appmenu-qt5 and the menu was visible when bitcoin-qt (bitcoin-0.13.0rc1, compiled from source) restarted.
sumBTC's user avatar
  • 21
2 votes
Accepted

Does GNOME or KDE desktop enviroment matter, at running a BitcoinCore node?

The particular desktop environment does not have a direct impact as long as you have the necessary libraries for running Qt applications. On Debian (or Debian-Based distributions, such as Ubuntu) the ...
Sergio Feo's user avatar
2 votes

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

Your coins are gone. Sorry. As KappaDev found, the transaction was confirmed, so it cannot be reversed. The only way those coins can possibly be accessed now is by whoever generated that address, ...
Nate Eldredge's user avatar
2 votes

Getting Started With Script

You might want to check out btcdeb from kallewoof. It's a set of tools used to construct or debug bitcoin script.
0xb10c's user avatar
  • 1,440
2 votes
Accepted

How to start Bitcoin-qt with Bitcoin Cash?

Bitcoin ABC 0.16.1 binaries for linux have a QT GUI: https://download.bitcoinabc.org/0.16.1/linux/ - I have not checked the other platforms, but I assume they do too. They kept the same binary names (...
Jonathan Cross's user avatar
2 votes

How to compile Bitcoin-Qt as an .exe on Ubuntu?

An alternative solution would be to build a tarball archive like the one you can download from the Bitcoin Core website. To do that you have to follow the release process, as explained in: https://...
FedFranz's user avatar
  • 652
2 votes
Accepted

0 active connection to bitcoin network (testnet)

This worked for me: addnode 185.28.76.179:18333 This "well connected testnet node" was suggested to me here.
jgm's user avatar
  • 758
2 votes
Accepted

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

If you want your wallet database (file) to be in a different directory than your data directory, you can use the -wallet=<path> startup option to specify a custom path to your wallet. Quoting ...
Antoine Poinsot's user avatar
2 votes

Should I Encrypt my Wallet for Cold Storage?

From Bitcoin Wiki: Wallet encryption uses AES-256-CBC to encrypt only the private keys that are held in a wallet. The keys are encrypted with a master key which is entirely random. This master key is ...
Riccardo Masutti's user avatar
2 votes

Can I see transactions in bitcoin-qt without downloading blocks? if I have a server with blocks on the local network?

It doesn’t work because the software doesn’t support operating like that. You can not connect bitcoin-qt to a remote RPC server.
Claris's user avatar
  • 15.4k
2 votes

Can I remove the initial bitcoin folder after installing its binaries to /usr/local/bin?

Yes, after you've checked if bitcoin is properly "installed" by checking its version you can remove the ~/Downloads/bitcoin-0.20.1. Be sure to double-check the processes and be careful ...
Tony Sanak's user avatar
  • 1,699
2 votes

Payout address format has changed?

This is a BIP173 native segwit address. If you unselect the "Generate native segwit (Bech32) address" checkbox in bitcoin-qt, you'll get a P2SH 3xxx address instead. Most senders these days ...
Pieter Wuille's user avatar
2 votes

Can I merge blockchain downloads?

You can't merge them, but you can just copy the old blocks/ and chainstate/ subdirectories of an old install that you trust. It'll just continue where you left off then.
Pieter Wuille's user avatar
2 votes
Accepted

Running bitcoin-qt as client

There’s simply no support for using the Bitcoin-QT application as a RPC client, it needs far more access to state than is provided by that interface to operate. There’s no real reason to try to ...
Claris's user avatar
  • 15.4k
2 votes

What does setting the "-server" flag do?

bitcoin-cli (and other software) communicates with Bitcoin Core using the so-called JSON-RPC protocol. If you start Bitcoin Core as bitcoind (without GUI), that protocol is enabled by default (because ...
Pieter Wuille's user avatar
2 votes

Transactions remain unconfirmed, even with 10X recommended 2 block BTC/kB

I resolved the problem. Thanks @AndrewChow for reminding me in the comments about the bitcoin.conf file. I forgot that I had made some changes to that and never went back to revert them. The problem ...
Paul Lamb's user avatar
2 votes
Accepted

Why does bitcoind store block data in a different directory than bitcoin-qt does?

You have to provide the same path to bitcoind as you did for bitcoin-qt. Let's say you gave /path/to/data to bitcoin-qt, you should start bitcoind with ./bitcoin -datadir=/path/to/data. Otherwise it ...
Davidson Souza's user avatar

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