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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11 views

bitcoind and onion listening

I would like to get Bitcoind to advertise that it is listening on an onion address. However, I do not want to have Bitcoind use a tor socks proxy to connect. I have a special router for tor ...
0
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1answer
17 views

Errors running bitcoind in the background

I have installed bitcoind on a new computer, and I use nohup to run it: $ nohup bitcoind & However, every now and then I see that the process does not exist, and I have to restart it using ...
1
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2answers
369 views

Bitcoind error -28

The following CLI command: $ bitcoin-cli getblockcount Gives the following error message: error code: -28 error message: Activating best chain... Any idea what is error code: -28?
0
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1answer
29 views

Newbie question, bitcoind installation doubte

I am not an expert of linux systems but I want to learn how to use it on a secure way. I have an vps with ubuntu and I installed bitcoind with the root user. I read into a lot of sites that I should ...
-2
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0answers
26 views

which is cost effective running a bitcoin exchange or bitcoin atm [closed]

I seriously want to start a bitcoin business and desire to have good returns in a cost effective way. I have been doing my research on been a bitcoin exchanger or partnering with one when I came ...
0
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0answers
14 views

Is it possible to perform split payment in bitpay

Hi all coming to the question am using bitpay payment in my project..Is there any possible to perform split payment using bitpay For example am performing bitpay payment for 100 usd for one wallet ...
0
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1answer
27 views

Which method/programme can create a wallet using the least amount of space?

On a first attempt to create a wallet with bitcoind, the process failed after filling the 160 Gb available in my home disk. Which method or programme would allow me to create a wallet using the ...
0
votes
1answer
22 views

How to free up the space taken by bitcoind?

I am trying to create a wallet on my computer with bitcoind following this guide. I installed it, ran it, and monitored the process with bitcoin-cli. It went on for about 15 hours, at which it failed ...
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0answers
26 views

Requirements of Bitcoin Exchangers [closed]

I have good information on the cost of acquiring a local license and the requirements to obtaining the license. What i don't have access to is the requirements of the bitcoin exchangers. An example, ...
1
vote
1answer
29 views

How do i find out what city and whatwas posted with code?

065e7ad1111963cacd4e2ca978ff57023b8297c123911ffbb8a61011d29d1849 how can I see where that was posted and time
1
vote
1answer
62 views

How to get transaction with Bitcoin Core?

I've have a fully tx index node in v.11 and I can do the following below just fine, bitcoin-cli getrawtransaction c6556ca7e143d108f5ef594057ff83a78bceb4b5fdc565ae160b4783cddad00f but with a fully ...
0
votes
0answers
13 views

Bitnode returning 403 error when checking an address

When I try to use https://bitnodes.21.co/#join-the-network as recommended by Bitcoin.org to check if my full node is responding to inbound transactions I get a "403" error as follows: (Note that I ...
2
votes
1answer
86 views

bitcond v0.12.1. “UpdateTip: 6 of last 100 blocks have unexpected version”

I replaced my bitcoind from v0.11.2 to v0.12.1. Then I found "UpdateTip: 6 of last 100 blocks have unexpected version" in debug.log. This error occurs at new block generation. Can I ignore this? If ...
6
votes
3answers
138 views

Check status of daemon?

I have started bitcoind on my linux box. How can I ask it what its status is? I assume it is downloading the blockchain and will continue to do so for hours or days. How can I find out where it is in ...
4
votes
1answer
112 views

What would be the Internet Usage For 100 Antminer S7?

I am planing to set up a mini farm with 100 S7 Miners, but am little concerned about the internet usage and speed. What speed do I need and how much bandwidth it will consume per month?
3
votes
2answers
48 views

Bitcoind uses only ~1.5% CPU for RPC command “getnewaddress”

I'm running bitcoind and generate a bunch of bitcoin addresses. I use a PHP script and an Apache2 server to make calls to the RPC API. bitcoind uses ~ 0.7%-2.2% of the CPU and writes ~3 MB/s on the ...
5
votes
1answer
162 views

Running bitcoin core in a low storage system

I have a machine with ~40GB in storage. The Bitcoin block chain is ~75GB in size, is there any chance to run bitcoind in my system? I mean, can I somehow skip downloading some part of the block chain? ...
0
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0answers
10 views

Multi HD transaction stuck for +48hours [duplicate]

I have made a bitcoin transaction for more than 100$ and now it is stucked, i guess it is due to a too small fee. Ive never had this problem before and always just used the default fee from multiHD. ...
0
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0answers
73 views

Bitcoind Internal Server Error

I'm trying to call bitcoind sendtoaddress with params : 18et8yw71yfxsQz99c5sHHEgYtR32kkfw 0.15161962 and there is an exception "(500) Internal Server Error." The wallet has sufficient funds ~30 ...
3
votes
1answer
65 views

How can I set a fixed fee sufficient for transaction success in bitcoind?

I used to use sendtoaddress with bitcoind and a fixed 0.0001 btc transaction fee in the wallet UI to do the job and every transaction was sent without any problems. Since version v0.12.0 I can see ...
1
vote
1answer
28 views

Automated Testing using bitcoind in regtest mode, problems due to race condition

So I have multiple instances of bitcoind in regtest mode. 1 instance is for the app wallet and one stimulates a wallet of a possible user. I want to perform various functional and integration tests ...
1
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1answer
53 views

How is a transaction's output signed?

I m a newbie. I did search for answer to similar question. My searching was unsuccessful. In a transaction Tx, the hash pointer of the earlier transaction (say TxE) that serves as input to Tx must ...
4
votes
1answer
55 views

Transaction with `OP_RETURN` to a particular address

How do I formulate a transaction with OP_RETURN to a particular address using the bitcoinj library? SendRequest req; Transaction transaction = new Transaction(Main.getNetWorkParameters()); ...
2
votes
1answer
93 views

How do I receive the payment? [closed]

And the payment request, if i have not been paid. Do what it is to have not come still pay? How do I receive the payment?
0
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1answer
17 views

Is there a connections limit on bitcoind?

I don't know if it is a lot or a few, but I see this number of connections: bitcoin-cli getnetworkinfo | grep connections "connections": 66, It does not seem to get over 70, is there an in-...
0
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0answers
19 views

getblocktemplate on testnet violates the protocol spec?

I have bitcoind (version 0.12.1) running on testnet. Querying the getblocktemplate using bitcoin-cli I get a "wrong" version bitcoin-cli -testnet getblocktemplate the output that I get is: { "...
0
votes
0answers
17 views

Antrouter not hashing.

So I got my antrouter the other day. I set it up with my bitman account. When I go to antpool a new tab shows up called antrouter. I thought I had done everything right. However when I check on my ...
4
votes
1answer
70 views

How to connect to a remote Bitcoin Core remotely

If I have 24/7 running bitcoind on a headless server, is there a graphical way to connect, maybe only temporarily to the server's Bitcoin Core daemon or its client to see if everything is going ...
3
votes
1answer
17 views

How many connections do I have on bitcoind?

How do I find out how many connections bitcoind has made? From terminal.
0
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2answers
40 views

How to get unique rpcpassword for bitcoind

I am on Linux Debian 8.4 and have one server running 24/7. I would like to help the Bitcoin network. On https://bitcoin.org/en/full-node#other-linux-distributions I got to the point where I should ...
7
votes
1answer
68 views

List transactions *relayed* by my full node?

Running Bitcoin Core full node 24/7, with 70+ peer connections. Is there a bitcoin-cli command that will let me see the transactions that my full node has relayed from its SPV "clients"? FWIW, I can ...
6
votes
2answers
57 views

Wladimir's new GPG key

I just went to install the latest version of bitcoind and discovered that Wladimir has signed the https://bitcoin.org/bin/bitcoin-core-0.12.1/SHA256SUMS.asc file with a new GPG key: https://bitcoin....
5
votes
1answer
51 views

How to tell bitcoind to use more memory and CPU

I just updated my node to 0.12 and its going through its long verification process but I noticed that its not using very much memory/cpu pi 602 10.5 19.4 352220 184312 ? Ssl 21:57 1:...
2
votes
1answer
65 views

How to check if my node is fully sync'ed

Using bitcoin-cli, how do I check how sync'ed my full node is?
2
votes
1answer
53 views

Is there a way to know the Bitcoin Network transaction fee BEFORE actually submitting the transaction?

I am using the RPC API to submit automated transactions to my Bitcond, the user introduces the Amount and I check it against its balance before submitting the transaction. I would like to also check ...
0
votes
1answer
54 views

Need help to understand where bitcoin transaction has gone

I am new with bitcoin and I need some help from experienced members. I have a server with bitcoin core where we accept some payments and use bitcoin core as mercant. The problem is that we have got ...
0
votes
0answers
13 views

No confirmations (bitcoind)

I have just installed bitcoind on my ubuntu server I have configured a new account with a password I have waited 2 days until the block chain downloads I have open my port 8333 But when I try to ...
0
votes
0answers
58 views

Which language should be used for developing new Coin Source code?

I'm new to bit coin system. And I need to List my new Coin in C-CEX exchange and the Exchange asked to provide the Source code. And if need to develop the source code, which language is suitable for ...
1
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0answers
27 views

How to upgrade my node with bitcoin wallet GUI from 0.11.2 to 0.12.1? Install qt V5.5?

i want update my RaspNode (rPi 2 B+) to the 0.12.1 but i want to use Bitcoin wallet GUI. So, it's necessary to install QT V 5.5... V 0.11.2 use QT 4.8, but 0.12.1 uses QT V 5.5 How to install QT V 5....
2
votes
1answer
67 views

How can I set the transaction fee when creating a transaction through Bitcoin-cli commands?

I want to run the following command via bitcoin-cli: ./bitcoin-cli sendfrom "10302c02147e2948cbejd9a2bd80d9691ef08a6a4d416c2bb602143a4anj06b90e" "32cjBTQkfLBp38ixj7hdjk0cc90VPPnwhQ" 3.04384215 (...
1
vote
2answers
39 views

Is the getnewaddress command available before synchronization is completed?

Can I expect the getnewaddress command to work before my bitcoind has finished synchronizing?
0
votes
0answers
24 views

CGminer hash speed is at 0

I just recently wanted to try bitcoin mining but i have 2 slow computers! I was wondering why the statistic at the top is going at 0s speed? Anyway i did get to the stage where it was saying this: [...
1
vote
1answer
36 views

how base point of bitcoin public key x , y formed

n = FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140 p = FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFE FFFFFC2F base point of bitcoin public key x , y Gx = ...
4
votes
2answers
50 views

Error when trying to use OP_CHECKSEQUENCEVERIFY from bip112 on testnet

When I try to spend an utxo sent to a pay to script hash, with the script 5 OP_CHECKSEQUENCEVERIFY OP_DROP OP_PUBKEY OP_CHECKSIG I get the following error. Any help would be greatly appreciated. $ ...
1
vote
1answer
84 views

Settxfee does not work in RPC

I am using settxfee(0.00020) before sendtoaddress RPC call however after sending 0.042 in blockchain a fee of 0.000045 is showing. How can I set the fee properly ? Thanks
1
vote
1answer
121 views

JSON-RPC Connection Problem!

I use bitcoind. And I have simple bitcoin wallet with simple login-register system. Error Code; Fatal error: Uncaught exception 'Exception' with message 'Incorrect response id (request id: 1, ...
0
votes
1answer
51 views

Generate Unique address for each users?

I have PHP Based Web Bitcoin Wallet on localhost. I use simple Login system and basic bitcoin Json-RPC. In fact, everything is runing clearly, but my Bitcoin daemon giving same Bitcoin address to all ...
0
votes
1answer
48 views

Is the merkle root random? (Crytographically secure?)

If I look at a block 000000000000000004f0cc322f551e39676f781186441614da3281bbc7d373e0 I can see the value of the merkel root: 9fe31d0d9d06d9da341a3ee757c57bb29af522796d5d9efa5efded8cda1684a4 Which ...
0
votes
1answer
24 views

How to find values of Prev_Hash and Tx_Root

http://bitcoin.stackexchange.com/a/13347/27951 Based upon the answer here, it seems there's values per block with each Prev_Hash and also Tx_Root There doesn't seem to be much documentation for how ...
1
vote
1answer
59 views

How to update my RaspNode? no GUI only CLI

I would like to know the best way to update my RaspNode (rPi 2 B+) to the 0.12.1 bitcoind version. I did sudo apt-get install bitcoind I also did this: Erased /bin/bitcoin folder then into /...