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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How do I run Armory Testnet on Win7 x64 using Bitcoin Core 0.9.3 using remote datadir?

Trying to use the testnet which I have no problems with using Bitcoin Core 0.9.3 with command: Bitcoin-qt.exe -testnet -datadir=f:\data\bitcoincore But running Armory using the Testnet icon attempts ...
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25 views

What specs does a full node need [on hold]

I want to build a machine to run a full node. I know I need about 2GB of ram and about 40-50GB of rom just to be sure. Also a dual-core 2.0. With this in mind can you guys recomend me some parts in ...
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119 views

Motivation to run full nodes

I'm sorry if I ask a stupid question. Bitcoin network was conceived by Satoshi Nakamoto as a decentralized network, but now we are seeing the full centralization of nodes in the United States. The ...
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2answers
36 views

How to Create a new Genesis Block with some bitcoins initially asigned to some users?

I am trying to use Bitcoin's code for some other application. Is it possible to create a genesis block so that I can initially assign some coins (bitcoins) to some users. For e.g. The Genesis Block ...
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Blockchain Parser not working on blockchain generated in regtest mode using bitcoind. Any help?

Has anyone used this blockchain parser for Bitcoin https://code.google.com/p/blockchain/ ? http://codesuppository.blogspot.in/2014/01/a-command-line-interface-for-blockchain.html I tried to parse ...
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19 views

Allowing bitcoind startup script to access daemon commands

I'm trying to create multiple full nodes on a single machine each using a different data directory and static ip's. My directory layout is ~/bitcoin1 ~/bitcoin2 ~/bitcoin3 For each ...
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48 views

Bitcoin tutorial for beginners. [duplicate]

I am new to bitcoin and trying to learn it in hard way, but the problem is that i couldn't find any good tutorial site that teaches bitcoin for the beginners. Can you please help me to identify such ...
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1answer
30 views

Can I transfer bitcoins generated in regtest mode to a friend?

I am running Bitcoin in regtest mode. Is it possible to send bitcoins generated in regtest mode to a friend ? (I only want to test it). Is it possible ?
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80 views

Can you switch the method of blockchain download?

I torrented bootstrap.dat and used am using it to populate the blockchain. It is close to being complete, but my server has ran out of room. There is room for one copy but not enough for two. Is it ...
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1answer
24 views

How secure is calling bitcoind JSON-RPC from same computer?

I am wondering if calling JSON-RPC from the computer it is running on is secure. I read How secure is calling bitcoind JSON-RPC? and understand why it is insecure to do so from a different computer. ...
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21 views

Does outbound port have to be open to make an Json-RPC call

lets say i am making a json-rpc call with the following connection : $connect = new jsonRPCClient('http://user:password@ipaddress:9332'); does outbound port 9332 of the sender need to be open as ...
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47 views

JSON-RPC call to bitcoind error, 403 failed to open stream

I am trying to make a json-call to a VPS server that hosts my wallet and it is failing with the following error message : Warning: fopen(http://user:pass@ip:port): failed to open stream: HTTP ...
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16 views

What does this mean? RPC_CLIENT_NOT_CONNECTED = -9, // Bitcoin is not connected

I'm building a service which does some automatic Bitcoin transactions and balance checking. In the system I now created some logging, which told me that my bitcoind daemon (running on Ubuntu 14.04 ...
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19 views

Bitcoind randomly stops downloading the blockchain

I have bitcoind running from a 2 GB CentOS 6 box in order to check balances of addresses. The problem is that it just randomly stops downloading the blockchain sometimes, and I have to use ./bitcoind ...
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1answer
29 views

How does the Clearing & Settlement process work in Open Transaction

From what I have read and understood. As open transaction platform uses coloured coins. The issuer of the coloured coin can associate it with a particular asset: like a ticket to a concert, or gold or ...
2
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1answer
79 views

Bitcoin payout based on real-life event

Just starting to learn bitcoin scripting. Can someone explain how to pay out based on some real-life event? I currently test from the command line with bitcoind -regtest
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2answers
28 views

getbalance not working

I am getting this error when I type getbalance: error: {"code":-1,"message":"std::bad_alloc"} Basically, I type getbalance and wait for about 2 minutes and this error appears finally. What does it ...
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1answer
29 views

Running Multiple Full Nodes on one Host

simple question. I would like to run several full nodes for Bitcoin, Litecoin, Darkcoin and so on, but don't they run on the same port (8333)? Will this just work or do I need to give them several ...
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119 views

What does “Safe mode: Warning: The network does not appear to fully agree! Some miners appear to be experiencing issues.” mean?

My bitcoind client that runs on testnet has started returning a lot of errors today. It has been doing so for a few of hours (as of 2014-08-29 9:50 UTC). When I call it via RPC, I get the following ...
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36 views

Maximum number of transactions in wallet.dat for Bitcoin Core

I know that a large number of key pairs in wallet.dat is not a concern. But is having too many transactions in wallet.dat an issue? Can Bitcoin Core start crashing after it reaches a certain number ...
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1answer
85 views

Are all private keys required to create a multisig bitcoin address

Do all 3 private keys in a 2-of-3 multisig wallet have to exist on the same device at some point in order to generate the bitcoin address? It would be ideal if the 3 private keys never existed on the ...
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1answer
24 views

Test in a box duplicating addresses how come?

I copied the whole directory for bitcoin data and then ran two instances one for the first directory and the other for the copied one, and then I generated a new address from the old instance go to ...
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1answer
49 views

Blockchain command line tools

I was under the assumption that the bitcoind server allowed you to query the blockchain and run commands like bitcoind getbalance on any address. I'm finding out that you may query addresses in your ...
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2answers
32 views

Importing keys to a brand new wallet

After I imported keys to the brand new wallet I tried to test that it is imported properly so I ran salvagewallet command to verify my new wallet but got these errors! 2014-08-21 12:17:28 WARNING: ...
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1answer
60 views

Transactions within orphaned blocks

Scenario: You are running a bitcoind node and listening to the incoming blocks/transactions. You receive TX 1 which is put into your mempool. Block A is mined, and includes TX 1, which is ...
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Assertion Failed Error [closed]

Steps Install brand new Windows Server 2012 machine. I installed Bitcoin Qt I loaded my wallet.dat It ran ok for 8 hours. Than it gave an error : "Assertion Failed!" error. ...
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25 views

Bitcoind sync status at ~block 206286

I installed bitcoind on an ubunto server. If I execute bitcoind getinfo, I get the following output: ...
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1answer
34 views

IsCanonicalPubKey method in Bitcoin Core source

In my logs I see that I keep getting: ERROR: Non-canonical public key: compressed nor uncompressed This error is thrown from inside the method: bool IsCanonicalPubKey(const valtype ...
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0answers
17 views

Logical flow to check for receipt of a bitcoin payment [duplicate]

I'm experimenting with writing some Bitcoin software in Node.JS using the node-bitcoin lib to talk directly to my own bitcoind via JSON-RPC, and I am trying to work out the best-practice way to ...
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1answer
89 views

How to sign bitcoin transaction with 'bitcoind' and non-bitcoind-wallet private key?

My Target I want to create and sign bitcoin transactio using 'bitcoind' and 'bitcoin-cli' only. But the private key is unrelated to 'bitcoind' built-in wallet. That is, private / public key pair was ...
3
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1answer
63 views

Why doc says importing private keys is so dangerous?

There are a lot of applications when someone would like to import a private key. However in wiki documentation they say it is very dangerous: https://en.bitcoin.it/wiki/How_to_import_private_keys ...
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1answer
42 views

What is the “misbehaving” log message?

I was looking my bitcoind log and I saw this message: Misbehaving: 91.230.200.131:8333 (90 -> 100) BAN THRESHOLD EXCEEDED In which cases this message is shown and why? It just a curiosity.
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20 views

While using Open Transaction as a Decentralized Exchange, how can one guarantee sanctity of the trade carried out by the parties?

Lets assume Alice holds 100 shares of Twitter and wants to sell those shares on Open Transactions. Bob decides to purchase those shares. They decide the terms of the transaction, price etc and sign a ...
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1answer
44 views

Restore wallet.dat on windows 8

How do I use my wallet.dat on my windows 8 bitcoin qt? Someone posted this C:\Documents and Settings\YourUserName\Application data\Bitcoin (XP) C:\Users\YourUserName\Appdata\Roaming\Bitcoin (Vista ...
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1answer
58 views

Windows vs Linux for bitcoind (not mining)

What is the best O/S for bitcoind, which serves as a backbone for an online payments processor? Right now it is set up to run under Windows but I'm not sure if this is the best choice if they ...
3
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1answer
166 views

Is bitcoin-qt using bitcoind? or bitcoind is already built in the bitcoin-qt wallet?

When using bitcoin-qt wallet, all commands are executed externally with bitcoind? I am asking because I saw an altcoin wallet-QT (DMD) which comes as a single file without any daemon file, does it ...
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63 views

How can I rsync my bitcoin database?

I would like to use the bitcoind daemon but I don't want the high CPU footprint related to validating blocks every time new blocks come in. There is a better equipped computer that I can rsync with, ...
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2answers
50 views

Why could UpdateTip be taking so long?

It has been 10 days since I ran bitcoind. When I opened it yesterday, I waited for about 40 minutes during which I could do not much except for waiting because my computer became so slow (high CPU ...
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38 views

Gitian Build Issue - Windows

Got a little issue when compiling Windows QT using Gitian. BTW Im using a Ubuntu 12.04 64bit VPS. So I am using the instructions here : ...
3
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1answer
40 views

Building from Source on MAC OSX 10.9 Error

Hi i'm building Bitcoin from source and am having some problems. Curious if anyone would be able to help me. When I try to make I get: In file included from ./json/json_spirit_reader_template.h:9: ...
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1answer
34 views

Building Bitcoin from Source on MAC OSX 10.9

so I'm trying to get bitcoind running on my Mac and I cloned the source code from github. What I tried doing: brew install autoconf automake berkeley-db4 boost miniupnpc openssl pkg-config protobuf ...
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1answer
51 views

what IS Bitcoin's pourpse and what do they need me to do and why do they need me to do it and what is said thing for? [duplicate]

this program is advertiseing btcoins but not eplaining what they want to pay me to do and why dos it need to be done? its running algorithms but what is it doing that for? is it trying to protect ...
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1answer
33 views

Transfer wallet to new server

I have been running a bitcoin app in an old server. I need to move everything to a new server but my question is this: is there a way I can transfer my bitcoin wallet (bitcoin core) to the new server ...
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3answers
94 views

How To Lower The Disk Space Needed For Full Blockchain?

I'm looking to run bitcoind on a virtual machine. However the main nets Blockchain size is over 21GB, and growing. Is there a way to compress this down or lower the amount of disk-space needed for ...
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53 views

JSON-RPC “couldn't connect to server” via bitcoind CLI (curl works fine)

This is an odd one. I am running bitcoind 0.9.1 on Ubuntu 14.04 and have this behaviour: Doesn't work: $ bitcoind getinfo error: couldn't connect to server (timeout after 30s) Works fine: $ curl ...
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32 views

how do devs upgrade bitcoin core without affecting the live active network?

I've always wondered, how do devs developing on Bitcoin upgrade the system without affecting the live network? We typically see a site under maintenance when big companies revamp their site, but how ...
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1answer
40 views

how to config p2pool so that it can connect to bitcoind wiht HTTPS?

Now I have installed bitcoin with config rpcssl=1, and I have tested the connection with a java application. Everything seemed OK. Then I installed p2pool, and tried to connect to bitcoind (python2.7 ...
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115 views

Who controls the features added to the bitcoin network?

I read an article on cryptocoinsnews about sidechains and they said bitcoin can implement new features but any bugs would be dangerous to the whole bitcoin network. What I don't understand is who ...
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1answer
41 views

bitcoind synced more blocks than in the blockchain?

I just installed bitcoind on a fresh Ubuntu server and synced. However, it seemingly have synced more blocks than there are in the blockchain! $ bitcoind getblockcount 309905 $ curl ...
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26 views

How to do p2pool math

currency users! I running p2pool with multiple currencies and I would like to know how to calculate minimum hash rate needed per worker to solve share. Cause some miners not gathering predicted ...