bitcoind is the command-line interface for Bitcoin. It stands for "Bitcoin Daemon" where a daemon is any computer process which runs in the background ("service" in Windows terminology). bitcoind connects to the Bitcoin network and passes transactions, updates the block chain, etc.

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Error initializing block database. Do you want to rebuild the block database now?

I'm trying to set up a test network consisting of 3 nodes, each with different bitcoin.conf. I've constructed the directory and the .conf-files similar to what is the state of the art in ...
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21 views

watch-only addresses doesn't work properly in bitcoind v0.10.0

I imported a watch-only address to bitcoind by using below command: bitcoin-cli importaddress <myaddress> "testacc" true According to release notes it should support some rpc calls for this ...
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32 views

How I can verify a Transaction in my new alt coin?

I have created a new coin and all the coins are premined. But when I transfer some coin to other wallet, it shows as "Pending Balance" with 0/unconfirmed. I want to verify my transaction. How can I do ...
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2answers
36 views

Sending from address to address in bitcoind

I'm programming the back-end for an ecommerce solution, Bitcoind API gives me one way of sending money to a bitcoin address: sendfrom <fromaccount> <tobitcoinaddress> <amount> If I ...
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46 views

What is “Signing transaction failed” error means ? How to resolve and avoid it?

I just tried to send some bitcoins and I received this error , I don't understand what does it mean and why?
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67 views

Ubuntu bitcoin PPA

Since bitcoin is a software package that involves "real" money (inasmuch as any currency is "real"), I know there are major incentives for unscrupulous people to build backdoors into software related ...
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25 views

After power hit, wallet won't load

I downloaded Bitcoin core wallet a few days ago. It was all going well, it synced just to about 25 weeks ago or something. One day the power went down and it shutdown the computer. When I started ...
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32 views

Bitcoind becomes non-responsive over JSON-RPC, have to manually restart all the time

I run bitcoind on AWS on Ubuntu. The machine has 4Gb of memory and free shows some of it remains free. Enough disk space too. Yet, I have to manually restart bitcoind quite often, because sending ...
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54 views

How to configure bitcoind in Arch Linux

Ok, well I've been watching the Bitcoin trend with some interest for several years. And I've finally decided to get involved myself. So yesterday and today I've been reading for several hours from the ...
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34 views

Transactions aren't confirming in my new altcoin

I have created a new altcoin which already mined. When I send some coins to another wallet, it's deducted from my wallet, but the transaction never confirms. It says: 0/unconfirmed transaction So ...
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31 views

Is it possible to create bitcoind regtest network on Ubuntu (which itself is on Virtualbox)?

I am getting into Bitcoin development and it seems that bitcoin regtest mode is perfect for testing our applications. I am trying to create a network, following Fred Tingey's answer but, ...
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21 views

Bitcoin-qt doesn't get a server connection?

I have created a new altcoin, and I run a server on one machine and connect bitcoin-qt on another machine. In this case it's blink the network connection, sometimes it shows one connection and after ...
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43 views

bitcoin-0.9.3 won't syncup on TESTNET stuck at height 26859

Downloaded the latest bitcoin core tar ball 0.9.3. New install for test and development. This thread relates only to the TESTNET, I haven't tried on the production network. When launching the bitcoind ...
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89 views

Bitcoind stuck loading blockchain after -reindex -rescan

I am running bitcoind on EC2. I did portforward 8333 and tried -reindex -rescan. My debug.log shows 2015-02-08 20:02:19 ProcessBlock: ACCEPTED 2015-02-08 20:02:19 ProcessBlock: ACCEPTED 2015-02-08 ...
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38 views

Condition false while Mining Bitcoin Coins?

When I tried to Mine a Coin by using Premine-Coin source code in BitcoinMiner() in main.cpp, My one condition is always false, I didn't know what is issue, because it working with Premine-coin ...
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28 views

hListenSocket is always INVALID_SOCKET

hListenSocket is always INVALID_SOCKET in the below code listing. I want to fill the vNodes vector value to be filled with address. net.cpp, Bitcoin 0.9.0: BOOST_FOREACH(SOCKET hListenSocket, ...
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2answers
33 views

Bitcoind linux disk usage

I'm running bitcoind (086) on a dedicated linux machine with about 35Gb of disk space. Earlier today I discovered the machine ran out of space (blockchain was 33 gigs) and proceeded to delete the ...
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56 views

Blockchain MySql Implementation - Updating Database

I know there are similar posts here about utilizing MySQL as the basis for an application which contains the contents of the blockchain, but i have not seen any on-point answers to the issue of ...
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1answer
79 views

Get Latest blocks with bitcoind on Ubuntu

The total blockcount on my machine is not increasing. I have tried doing a bitcoind -reindex -daemon, but it didn't ultimately increase the number of blocks. Attaching machine and bitciond ...
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1answer
34 views

bitcoin allowip not working

My bitcoin.conf file has the following lines: rpcallowip=127.0.0.1 rpcallowip=192.168.*.* But I'm getting this error: Error: Invalid -rpcallowip subnet specification: 192.168.*. Valid are a ...
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2answers
47 views

bitcoind getrawmempool without downloading the full blockchain

I'm running bitcoind from a small virtual machine on digitialocean. I'm interested only in looking at the new transactions in bitcoind getrawmempool Is there a way to get these transactions without ...
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1answer
44 views

I am not able to connect to download blockchain in logoscoin. It shows active connection, I am also attach debug logs below:

2015-01-24 06:18:15 Logos version v0.8.6.4-ga5aedeb-beta (2015-01-22 22:29:38 -0800) 2015-01-24 06:18:15 Using OpenSSL version OpenSSL 1.0.1f 6 Jan 2014 2015-01-24 06:18:15 Default data directory ...
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57 views

json_rpc_call solo mining with bitcoin running on Windows 7 for antminer

I setup BitcoinD on a Windows 7 PC. I configured for defaults except user/pw and rpcallowip=192.168.1.0/255.255.255.0. have also tried 192.168.1.* with no luck. I ultimately want to use an Antminer ...
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108 views

I want to accept bitcoin on my raspberry pi

I have a web server running on a raspberry pi and I want to accept bitcoins. I have very little disk space so I don't have room to install bitcoind. I don't trust any third party services to process ...
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3answers
85 views

pycoin command line transaction

Is there a quick way to do transactions knowing only the private key(secret exponent) and the destination address, preferably from a command line utility such as pycoin? I am using Debian/Ubuntu and ...
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1answer
45 views

What is criteria of mining priority except for transaction-fee?

I am reading "Mastering Bitcoin written by Andreas" and I found this explanation of mining. Transactions are added to the new block, prioritized by the highest-fee transactions first and a few ...
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63 views

Fatal error: Uncaught exception 'Exception' with message 'Invalid Response'

Fatal error: Uncaught exception 'Exception' with message 'Invalid Response' in C:\xampp\htdocs\jsonRPCClient.php:155 Stack trace: 0 C:\xampp\htdocs\jsonRPCClient.php(87): ...
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68 views

How to use the bitcoin client without downloading the blockchain?

I would like to be able to use the bitcoin python client to be able to do things like sign transactions offline, create transactions, create multisig transactions, etc. Is there a way to do this ...
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1answer
38 views

How to send user input data(Bitcoin address) from iPhone to server and then send Bitcoin back to user's Bitcoin address?

Background I just got started yesterday learning Python and I'm currently building my first iPhone game. What I'm trying to do is create a Bitcoin Pot Jar inside an iPhone app like ...
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58 views

walletNotify on every Bitcoin Network transaction

Is there any way by which I can receive each and every Bitcoin transaction that takes place on the Bitcoin network(not only my own wallet's transactions)? Just the way Blockchain.info provides a ...
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2answers
52 views

How to use bitcoin-python

I'm trying to create a bitcoin address with the bitcoin-python library. I tried this code: import bitcoinrpc bitcoinrpc.connect_to_local().getnewaddress() But I got this error: error: [Errno ...
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1answer
95 views

Receiving `error: {“code”:-25,“message”:“”}` on sendrawtransaction with v0.9.3

I'm running a bitcoind regtest node. When trying to relay a transaction (created using bitcoin-ruby) I receive error: {"code":-25,"message":""} When I restart the node and relay the exact same ...
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1answer
54 views

Bitcoind blocks fell behind sometimes

I ran 6 or 7 bitcoinds with version 0.93 on CentOs. I used the default configuration on all of them. Sometimes I found one or two fell behind the others. And I need restart them, then they would work. ...
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77 views

bitcoin-cli fails with auth error

I run it like the below. bitcoind -datadir=/Users/varunvb/Downloads -conf=/Users/varunvb/Downloads/bitcoin.conf -daemon When I run (Using the user name and password as in the config file) ...
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2answers
91 views

why is bitcoind is missing from /usr/local/bin?

i just followed the instructions from degreesof zero built, made and installed bitcoind, but bitcoind was missing from the location above. What's wrong with the procedures please? thanks ...
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39 views

bitcoind stops working

I have an Ubuntu 14.04 512Mb RAM/100Gb HDD server which I use to host a remote bitcoin node. bitcoind currently catches up and for some reason it just stops working after 10-20 minutes or so every ...
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213 views

Can you make a profit mining with CPU/GPU? [duplicate]

A Radeon HD 7950 has the fallowing hash rates: Around 600 MH/s for Bitcoin Around 600 KH/s for Litecoin I used this calculator https://bitcoinwisdom.com/bitcoin/difficulty ... so I would get : ...
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81 views

Bitcoind suspend when Synchronizing blocks

My bitcoind started synchronising blocks. The bitcoind version is 0.93. When the bitcoind found an orphan blocks in the synchronising process, it seems stop and did not work. the message from the log ...
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2answers
52 views

“value” field in raw transaction: Rounded Bitcoins (float) or Satoshis?

I am getting confused about the Bitcoin amount presentation in a raw transaction's "value" field. If i want to spend 0.05 BTC, for instance, which of these is the correct value? "value" : 0.05 ...
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1answer
67 views

Bitcoind running in vagrant can't import bootstrap.dat from external directory

I am working on a bitcoin development environment in a box, and I've got the bitcoin reference implementation compiling and running so far in this vagrant environment: ...
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1answer
43 views

How to get a wallet address and set label via RPC?

I'm familiar with the basic RPC commands, but I'm having trouble retrieving/adding an address to a wallet, using purely RPC calls (i.e. bitcoind only, not bitcoin-qt). My understanding is that ...
2
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1answer
74 views

accept bitcoin payments for orders without 3rd party software

I've been searching for an open-source alternative to blockchain.info's Receive Payments API (https://blockchain.info/api/api_receive). I want to run bitcoind on my own server and have payments ...
3
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1answer
148 views

How much memory (RAM) does a Bitcoin node use?

How much memory (RAM) does a Bitcoin node use? I am planning on running a Bitcoin full-node on a RasPi Model A+. It only has 256MB of RAM, so I'm not sure if this will work. Most of the threads on ...
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1answer
125 views

Error -25 when bitcoind sendrawtransaction

I am trying to send a bitcoin raw transaction, but always got such an error. what's the possible explaination? bitcoind --testnet sendrawtransaction ...
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1answer
52 views

bitcoind getnewaddress: Why I can see the generated address on Blockchain.info without broadcast?

I have a question about bitcoind's getnewaddress command. After I generated by using the command, I can search the address on Blockchain.info. As far as I checked bitcoind's log, bitcoind did not ...
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1answer
31 views

bitcoind: How to generate new address and broadcast?

I have my own server running bitcoind. Could you tell me how to generate new bitcoin address, sign and broadcast? My goal is that I can see the generated address's balance on Blockchain.info. As for ...
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45 views

When does the “reject” string have an empty reject reason upon submitting a new block?

I submitted a new block using the rpc command submit. And I just got a "reject" string without a reject reason. I checked the bitcoind source code, and found that it usually sends a reject reason; ...
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66 views

Bitcoin, detecting deposits to the node.js server (code review)

I'm trying to detect deposits that user will made. I explained it with comment lines in below. Can you are there any flaw in it? var _ = require('underscore') var check = function(client, site) { ...
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1answer
84 views

bitcoind JSON-RPC interface timeouts under unit tests

I am running unit tests against bitcoind which do JSON-RPC requests in high rate. Random failures are an issue. E.g. if you have something like this in printconsole logs: ThreadRPCServer ...
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75 views

Safely interrupt -reindex?

My database became corrupted and I had to reindex: bitcoind --daemon -reindex It takes my computer quite some time and CPU power. It's been running for an hour but it will take at least 4 more ...