Questions tagged [bitcoin-core]
Bitcoin Core is a full node implementation of the Bitcoin protocol with a wallet and GUI. Bitcoin Core is a 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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Will my bitcoin wallet take prohibitively long to sync as daily transaction volumes grow?
I'm using Bitcoin-qt on Mac and it's been a few weeks since I last fired it up, so it's doing a sync. I've waited a few hours now, despite being on powerful hardware and a fibre connection to the web.
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How to find out if Bitcoin is running ANYWHERE on my laptop
Sooo long story short, I have a Samsung series 7 laptop, i'm running Fedora 18 and I downloaded Bitcoin-qt not too long ago. I am admittedly stupid for doing so before doing ALL proper research (...
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How do you load the Android bitcoin backup key onto Bitcoin Qt?
I have an Android wallet key and I want to load it onto my windows desktop. I am using Bitcoin-Qt, but i dont see an import option anywhere. How can this be done?
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How to use my own web hosting server to mine a bitcoin? [duplicate]
I have a web hosting with unlimited bandwidth and unlimited disk space, Cpanel and much more. Can anyone guide me. How to mine a bitcoin by using my own web hosting?. Then there is any mining software ...
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Mine BitCoins on a Mac? [duplicate]
Ok, so I can mine BitCoins on my Mac... using my Windows Partition.
Like a lot of people I hate Windows.
I'd use Linux first (I have a WUBi partition), but I'd like a BitCoin miner for Mac that ...
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(How) can I run standard clients on a "toy" block chain?
Say I build some software around the Bitcoin system and I would like to try stuff without having to earn real BTC first, and without having to employ a lot of hashing power to grow the block chain.
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Is it possible to make a paper wallet out of a bitcoin-qt wallet?
I have a single bitcoin address with all my savings on it. I want to make a paper backup for precaution (as if my hard drive somehow exploded) with that specific address. Is that possible?
Keep in ...
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How to access any transaction detail in Bitcoin version 0.8 and above?
Since the Standard Client version 0.8 removed the full index of all historical transactions, some Bitcoin applications that relied on that functionality have stopped working. For example, one is no ...
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What does Litecoin offer over Bitcoin?
Litecoin is different from Bitcoin in the following ways, however none of them are particularly useful and on the contrary are only less worthy.
84 million vs 21 millions: since Bitcoin is divisible ...
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bitcoin upgrade needed: the current client is not synchronized
I have bitcoin client 0.6.0.6 (no longer supported!):
I did not upgrade on May15.
My current client will not synchronize past 85%.
no luck with, DB_CONFIG set_lk_max_locks 537000
I am in the ...
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Unable to bind to 0.0.0.0:8333 on this computer. Bitcoin is probably already running
I installed bitcoin-qt and my wallet was all synced, everything working as it should. I sighed up for slush's pool and was trying to connect the 2 and I think I may have clicked the box to run SOCKS ...
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In Bitcoin Qt, what does "Message" mean in the request payment form?
In Bitcoin Qt, if I go to "Receive" and right click on an address, one of the options is to "Show QR Code" for an address. Below the QR code, there is a form looks like this:
[ ] Request payment
...
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Get non-wallet transactions using bitcoin rpc (gettransaction)
I am playing around with Bitcoin-qt. I want to iterate all blocks and all their transactions.
So far I've been able to get a list of all tx's in the blocks I want to. Now I want to get information ...
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Can an old passphrase recover my bitcoins using an old backup wallet.dat file?
I forgot the new passphrase for my wallet.
But i previously backed up the wallet with a passphrase i do remember.
Can i then access that previously saved wallet and recover my btc ?
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Bitcoin-Qt wallet is taking forever to synchronise. Can I just use the same address elsewhere to collect coins?
It will take several days before the wallet is in sync. I already purchased a bitcoin and am waiting for it to transfer into my account using the address that was generated by Bitcoin-Qt. Can I just ...
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Where is the bitcoin automatic address generation?
I have head of the automatic bitcoin address generation feature for every transaction. I have done multiple transaction, but I still have the same addresses (I have two addresses). I would like to ...
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Where is the location of the private keys of my wallet on my PC?
I have searched this forum and the internet for information on the location of the private keys of my wallet on my PC and found no answers.
I am using Microsoft Windows 7 and installed the Bitcoin ...
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Why is bitcoin-qt startup so slow compared to MultiBit
Bitcoin-QT: Very long startup and at first launch needs to download the entire blockchain
Multibit: Starts up in a few seconds and downloads for only a few seconds
Why is Bitcoin-QT so slow?
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Using Bitcoin Commands
On the page https://en.bitcoin.it/wiki/Running_Bitcoin it shows several commands. Is this only for the bitcoin qt or can I use a more lightweight client like Electrum?
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Bitcoin "Quits unexpectedly" everytime but only on my account
Everytime i try to open Bitcoin QT it quits unexpectedly, however if i log out and log in using another account on the same Mac, it works fine. Can i use the other account (where my Bitcoin QT opens ...
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How do I recover Bitcoins from a Change address that is in a corrupted wallet?
I am running Bitcoin-Qt for Mac 0.8.1 beta
I received a "wallet.dat corrupt salvage failed" error and the client refused to launch.
I replaced the wallet.dat with a backup made a few hours earlier ...
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Why is my /Library/Application Support/Bitcoin directory missing?
I can't launch the latest update, now it just 'unexpectedly quits' before loading. I tried uninstalling and reinstalling a couple of the past versions, but the directory folder was never created. ...
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Bitcoin-Qt locks up
During Initial Sync BitCoin-QT to lock-up and cause Debian Wheezy to crash and reboot...no error message. How do I fix this issue? Subsequent execution of client software has same result.
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Send coins from another adress
Newbie here!
I need to confirm something:
I have bought bitcoins and I already see them in the QT client I am using.
I now want to send the bitcoins using a different address than the one I use to ...
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Installed bitcoin-qt and Tor, allowed firewall, Tor connects, but Bitcoin doesn't
I did these things but Bitcoin still says 0 connections. What's the problem?
Windows 7 32bit. Installed bitcoin-qt
Installed Tor Browser bundle
I allowed all local outbound connections in my firwall (...
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Bitcoin-QT Merge Question [duplicate]
Can one import wallet.dat into Bitcoin-QT without overwriting the current wallet? Kind of like a merge function? Or is Blockchain.org the only we to merge wallets together under one account?
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Do I need to wait for Bitcoin-Qt to sync with the network before using GUIMiner?
I'm waiting for Bitcoin-Qt to synchronize with the network, but it takes a long time. I'd like to know if I can start using GUIMiner while it's Bitcoin-Qt is still synchronizing.
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What does Bitcoin-Qt "Change Passphrase..." do to existing private keys and corresponding addresses?
"Change Passphrase..." obviously lets me encrypt the wallet with a new string of text. I think (correct me if I'm wrong) that this creates new private key(s) inside wallet.dat.
How are existing ...
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Import wallet.dat into a new Bitcoin-Qt client
I had Bitcoin-Qt on my computer with several bitcoins in my wallet, using Vista. Then my computer crashed. Finally I was able to get my computer fixed and download a new version of Bitcoin-Qt. Now I ...
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Bitcoins didn't arrive to new wallet
I use Bitcoin-Qt. Decided to make another wallet and transfer some bitcoins there. Wanted to give that wallet to my friend as a gift. What I did was:
renamed wallet.dat file to 1_wallet.dat
started ...
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How do I switch from Bitcoin-QT to a lighter, faster (SPV) Bitcoin client?
So, keeping up to date with the blockchain is getting ridiculous in Bitcoin-QT, especially on my laptop. If I leave it off or away from the internet for even a short period of time, it takes forever ...
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What does qt in bitcoin-qt stand for?
just a simple question: what does qt in bitcoin-qt stand for?
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Using the main Bitcoin-Qt Client, can you change where it stores the block chain? [duplicate]
I don't want 12 gigabytes stored on my boot drive. Can I change where the Bitcoin-Qt stores the block chain?
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How to transfer only the blockchain to a friend's computer?
After installing the bitcoin client (Qt) a friend got interested as well. He doesn't have as fast an internet connection, though, so I thought of burning some DVDs with the blockchains for him to have....
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Upcoming Fork - Wallet Safety [duplicate]
In downloading the newer client, do I need to worry about my addresses and hence bitcoins disappearing, or will everything in the old wallet transfer nicely into the new?
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How does the signature verification feature in bitcoin-qt work without a public key?
bitcoin-qt has a "signature verification" feature where you can verify a signed message. All it needs is the bitcoin address of the signer, the message and a short signature. From what I understand ...
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How to utilise more cores when I am cpu mining?
This is purely an experiment for fun. This is for litecoins but can bitcoin people help me too :)
I am using litecoinqt to solo cpu mine, on my windows machine. Threads set between 4 and 10, scantime ...
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Buying Bitcoins using Guyana Dollars
Does anyone know what is required to establish an exchange that accepts Guyana $ as payment for Bitcoins?
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Bitcoin-Qt Command line - adding private key - Mac OSX
I recently created a custom Public key (with vanitygen) and i would like to add the corresponding private key to my bitcoin-Qt wallet client. I have started bitcoin-Qt in server mode using:
$ open ...
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How do I specify in which directory Bitcoin blocks and other data should be stored? [duplicate]
I am on Windows and installed the Bitcoin wallet. The block folder seems to grow bigger everyday and is stored on my C drive in the roaming directory. I would like to set this to some other folder on ...
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Is there a command I can type into Bitcoin-Qt to see the total number of bitcoins that have been created?
I know how to obtain this information from other means, I specifically want to know if it's possible for me to obtain this information using the Bitcoin-Qt client alone.
I am running it on Windows ...
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Is the synchronization process supposed to be downloading at less than 5kB/s?
I've been running the bitcoin-qt client for over a week now trying to catch up with the block chain (closer to three weeks if I count the first time I had to synchronize everything). Looking at my ...
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No menu in Ubuntu bitcoin-qt
When I run bitcoin-qt on Ubuntu 12.04, I see this:
As you can see, there is no menu on the top menu bar. There is the "beginning" of a menu with the word "Bitcoin" but there are no "File", "Settings"...
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How do I know how much each address own in a wallet?
My wallet has 3 address. One main address is shared with my other computer. The other addresses are not.
Does money belong to a specific address or to a whole wallet? What happen if I send money to ...
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Changing settings of Bitcoin-Qt on Mac [closed]
I am using Bitcoin-Qt on my Mac under Mac OS 10.8.3. Everything is working fine but when I want to change any settings in the settings menu, it will never remember my new settings. Is there any ...
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Are change addresses visible from the GUI in the Bitcoin-QT client?
I've seen this question pop up on reddit multiple times, and I don't know the answer.
However, I do know that in my own wallet, several unlabelled addresses have appeared over time without me ...
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What other wallets can import Qt's backup .dat file?
I've been using Bitcoin Qt on my work computer (my only working computer at the moment) but last week Windows 7 decided that the program's bypassing the firewall to download the blockchain was a ...
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Account Balance and Bitcoin-QT
I'm attempting to clarify a few things in my mind. The wallet.dat file contains (amongst other things) my transaction history alongside the private keys associated with each address in use in the ...
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Testnet Bitcoin Generation Time
2 Parts to this.
1st - What is a typical winning block (I get coins) generation time when running on testnet.
Ive done numbers with calculators and all that but given I cant work out accurately ...
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Bitcoin-Qt Signing
When you send money, does Bitcoin-Qt automatically sign the transaction?
On the Receive Coins tab, why is there a Sign Message button? Which message am I signing? There is no Send Message button, ...
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