Questions tagged [bitcoin.conf]

Bitcoin Core's configuration file.

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What are pros and cons of txindex option?

I am reading "Mastering Bitcoin" written by Andreas and I found this explanation about "txindex option" Transaction Database Index and txindex Option By default, Bitcoin Core builds a database ...
zono's user avatar
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17 votes
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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 ...
Enthusiast's user avatar
12 votes
4 answers
45k views

Where is the configuration file of Bitcoin-Qt kept?

I keep getting this error: EXCEPTION: N5boost16exception_detail10clone_implINS0_19error_info_injectorINS_15 program_options26invalid_config_file_syntaxEEEEE the options configuration file contains an ...
Haddar Macdasi's user avatar
9 votes
1 answer
16k views

How to open bitcoind -daemon using command line in Windows?

I have created a conf file on the following path: C:\Users\NAME\AppData\Roaming\Bitcoin\bitcoin.conf When I run the Bitcoind file, nothing happens. My command line window becomes unresponsive as if ...
Lars Holdgaard's user avatar
8 votes
1 answer
4k 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:...
xenostar's user avatar
6 votes
2 answers
5k views

What does the `gen` option in bitcoin.conf do?

The gen option isnt copiously described in the sample bitcoin.conf file ... does that mean that the daemon started up will attempt to mine for coins?
Terrence Brannon's user avatar
6 votes
1 answer
158 views

Bitcoind doesn't add miner fee

How do I make sure bitcoind's RPC call sendtoaddress adds miner fees to transactions? Tried adding to our bitcoin.conf file: mintxfee=0.0001 But some of the transactions still won't get any miner ...
Gotenks's user avatar
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5 votes
1 answer
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rpcallowip=192.168.0.* ?? invalid configuration

I recently downloaded bitcoin from github and changed the settings to allow for rpc. This is how I have it: rpcallowip=192.168.0.* This does not work anymore. However when running bitcoind, it ...
Prem Govind's user avatar
5 votes
1 answer
384 views

Is -blocknotify triggered during catch-up?

My node is way behind and I noticed the -blocknoitfy action specified in bitcoin.conf is not being triggered. Which is OK for now, because the node has so much catching up to do, the script wouldn't ...
pinhead's user avatar
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5 votes
2 answers
4k views

Cannot get Bitcoin-QT to run in testnet mode

I downloaded Bitcoin-QT for Windows 7 into: MYUSERNAME/Downloads/bitcoin-0.8.6-win32/bitcoin-0.8.6-win32 I want to run Bitcoin in testnet mode, so I created bitcoin.conf with only the following ...
JLP's user avatar
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5 votes
1 answer
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addnode in bitcoin.conf doesn't work (Regtest mode)

I'm trying to make to nodes on the same computer communicate. I set up two bitcoin folder with two bitcoin.conf files. bitcoin.conf in the second node is the following: rpcuser=bitcoinrpc ...
Tommaso Bendinelli's user avatar
4 votes
2 answers
6k views

Unable to bind any endpoint for RPC server

I recently updated my bitcoin docker image to bitcoing v0.18.0 version and can't allow external rpc connections to it now. It binds to localhost if I set rpcallowip=X.X.X.X, then I tried to used ...
Igoris Skinderis's user avatar
4 votes
1 answer
1k views

What is the optimal Bitcoin Core 0.17 settings in bitcoin.conf settings for running a full node with a very beefy system?

Is there an optimal bitcoin.conf setting file I should use when running a bitcoin core full node? I have a very beefy system with 16 core processor, 32gb ram, and nvme hard drive. I wan't to be able ...
Patoshi パトシ's user avatar
4 votes
1 answer
780 views

Does bitcoin.conf expand environment variables?

I would like to store my Bitcoin RPC passwords and usernames in environment variables, like: rpcuser=$RPC_USER rpcpassword=$RPC_PASSWORD Is this supported in bitcoin core? Can environmental ...
alfetopito's user avatar
3 votes
2 answers
6k views

How to specify number of threads for bitcoind?

What field in config file or flag should I use to run bitcoind -daemon e.g. on 100 threads? Now I have 23 threads, but I want to increase this value. $ ps aux | grep bitcoind pavlovd+ 1258 2.3 1.7 ...
Sergey Potekhin's user avatar
3 votes
3 answers
4k views

Bitcoin.conf & JSON-RPC options

What does it mean in the bitcoin.conf file when it states: server=1 tells Bitcoin-Qt to accept JSON-RPC commands? If all one needs to do to solo mine is type setgenerate true in the console, ...
oemb1905's user avatar
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3 votes
2 answers
231 views

Bitcoin Core configured for testnet, syncs mainnet

I'm trying to get Bitcoin Core to sync the testnet, but it keeps syncing the mainnet instead. Here is my bitcoin.conf file: [test] addnode=104.237.131.138 addnode=151.80.205.132 addnode=192.155.82.123 ...
Zephyrus's user avatar
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3 votes
1 answer
1k views

How to set up Lightning Network conf file. RPC user / password? and zmqpubraw?

In my lnd.conf file I have the following settings: debuglevel=info listen=192.168.100.134 externalip=186.4.235.84 alias=MyNodeAlias color=#000000 maxpendingchannels=5 bitcoin.mainnet=1 bitcoin....
Alejandro Veintimilla's user avatar
3 votes
1 answer
87 views

Specify options as startup flag or conf file in bitcoin core?

Can I specify all startup options like -nodebuglogfile or -txindex in bitcoin.conf file as nodebuglogfile = 0, txindex = 0? Can all startup options/flags without any parameter equivalent to setting ...
sanket1729's user avatar
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3 votes
1 answer
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What's the difference between 'rpcallowip' and 'rpcbind'?

What's the difference between these two settings in the bitcoin conf file? 'rpcallowip' and 'rpcbind'
PaperFrog's user avatar
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3 votes
1 answer
87 views

What bitcoin core options can be changed without a restart?

I often experiment with new bitcoin core options (like zmq, debug and fee options) and I would like to avoid restarting my node for them to take effect. If I am not mistaken, changing the RPC password,...
Pedro's user avatar
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3 votes
1 answer
411 views

How would I set a more permissive mempool policy?

The mempool will reject some transactions that are valid per the consensus rules. I would like to configure my mempool to be liberal in what it will accept, provided fees are paid. Are there any ...
JourneyIntoBTC's user avatar
3 votes
1 answer
10k views

ccminer JSON-RPC call failed: Method not found

I am having issue with running ccminer with bitcoin-qt.exe (Solo mining) I am receiving error below upon start: [2017-01-26 14:23:57] 1 miner thread started, using 'bitcoin' algorithm [2017-01-26 14:...
JavaMachine's user avatar
3 votes
1 answer
677 views

How can we run regtest without transaction fees

We have setup a bitcoin network using regtest mode and found that there is transaction fee charge on each sending Bitcoin. Is it possible set the payment fee to zero for each transaction? We found ...
user30430's user avatar
3 votes
0 answers
83 views

Cannot find bitcoin.conf on macOS

I want to run a pruned node. I mistakenly referred to a guide for a full node to connect to Sparrow wallet, which required adding server=1 and txindex=1 in the bitcoin.conf file. I reached this file ...
Seth's user avatar
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3 votes
0 answers
158 views

Where does Bitcoin Core save the custom directory setting?

When installing Bitcoin Core on Windows 10 and starting it for the first time, the Welcome message prompts to specify a custom data directory. When specifying that custom directory, where does Bitcoin ...
Carlos's user avatar
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3 votes
0 answers
331 views

Is it safe to skip the initial block verification at startup?

The longest step in bitcoin core initialization is "Verifying last 6 blocks at level 3". The number of blocks checked at startup went down from 288 in 2014 to 6 now. Therefore, in order to speedup ...
Pedro's user avatar
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2 votes
2 answers
5k views

Can't reach remote bitcoin rpc server

I got vps with ubuntu 18.04 with ssh access and bitoind set up on it. This is my bitcoin.conf file: testnet=1 prune=35840 maxconnections=12 muxuploadtarget=20 daemon=1 server=1 rpcclienttimeout=5000 ...
ruhtren's user avatar
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2 votes
1 answer
376 views

How to configure a testnet node to be pruned?

I have a testnet VM node running. As I have only limited resources, I did set pruned=1000 in the bitcoin.conf file, so the blockchain is pruned down to 1GB. But when I run bitcoind and it downloads ...
zerotobtc's user avatar
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2 votes
2 answers
8k views

How to change RPC port for bitcoind? (rpcport=xxx in bitcoin.conf doesn't work)

I'm running a testnet bitcoind node and I have been doing RPC calls on the default port 18332. I have added this line to ~/.bitcoin/bitcoin.conf: rpcport=19832 And restarted the bitcoind service. I ...
RocketNuts's user avatar
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2 votes
1 answer
320 views

Where can I find actual official documentation for bitcoin.conf?

As in title, where is actual bitcoin.conf docs? Protocol is evolving, and many articles are not accurate regarding do bitcoin.conf.
gkucmierz's user avatar
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2 votes
1 answer
7k views

Where is the configuration file? [duplicate]

This is strange! The documentation on running the Bitcoin daemon on a Ubuntu machine is clear. The configuration file is supposed to be at $HOME/.bitcoin/ location. And yet, I cannot locate it! I ...
cogitoergosum's user avatar
2 votes
1 answer
890 views

addnode vs seednode

Could someone please elaborate on the difference between the addnode and seednode settings in the bitcoind configuration file. -addnode=<ip> Add a node to connect to and attempt to keep the ...
noob's user avatar
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2 votes
1 answer
356 views

Bitcoin.conf problem

I'm trying to get deposits sent to my website to show up in the users balance, inside my bitcoin.conf I have: walletnotify='http://localhost/blocknotify-update-deposit?trxhash='%s This is not ...
Sarah Louise's user avatar
2 votes
1 answer
666 views

What does enabling coinstatsindex in my bitcoin.conf file do for my node?

Using bitcoind --help tells me this: "Maintain coinstats index used by the gettxoutsetinfo RPC (default: 0)" Is it just storing the information in gettxoutsetinfo for each block in the chain?...
Marco's user avatar
  • 395
2 votes
1 answer
2k views

Really strange issue when trying to connect Sparrow Wallet to Bitcoin Core

I am really loosing my mind on this. I am actually not a technical noob but also not the very best technican. But things like this should actually be very easy for me. What I want to do: I just want ...
Exchange_REC's user avatar
2 votes
1 answer
557 views

Set a standard transaction fee in bitcoind

Hello I was wondering if it is possible to set a standard transaction fee in bitcoind like 0.0001 BTC. Because now it uses around 0.000026 BTC per transaction and it takes ages to confirm. Thanks in ...
Web Weave's user avatar
  • 429
2 votes
1 answer
1k views

Is it possible to specify a default change address?

Is it possible to enable default change address on my bitcoin-qt (aka bitcoin-core) client? I'm using a webservice that monitors my balance (based on public keys) and whenever I send a transaction my ...
q9f's user avatar
  • 1,445
2 votes
0 answers
4k views

Bitcoin-Qt & setgenerate true

Will Bitcoin-qt mine bitcoins if all I have done is downloaded and installed Bitcoin-qt, and typed in "setgenerate true" into the console? Are there other steps or configurations necessary? If so, ...
oemb1905's user avatar
  • 203
1 vote
2 answers
2k views

Where is bitcoin.conf and why doesn't bitcoind find existing datadir v0.17.1

Just built no gui, no wallet bitcoin on WSL Ubuntu Bionic, Bitcoin v0.17.1. I want to experiment with bitcoin-cli. I followed recommendation to run bitcoind -princonsole and it says: Using config ...
Tony's user avatar
  • 157
1 vote
1 answer
155 views

Where can I find the parser for `bitcoin.conf` files?

I have read bitcoin.conf Configuration File which mentions: The configuration file is a plain text file and consists of option=value entries, one per line. Leading and trailing whitespaces are removed....
Kiminuo's user avatar
  • 78
1 vote
1 answer
2k views

bitcoin.conf missing [duplicate]

According to https://en.bitcoin.it/wiki/Running_Bitcoin , for default bitcoin datadir %APPDATA%\Bitcoin\, the typical path to configuration file is %APPDATA%\Bitcoin\bitcoin.conf But bitcoin is ...
user6668201's user avatar
1 vote
1 answer
1k views

What's the diffrence between these two bitcoin.conf format?

server=1 listen=1 daemon=1 rpcuser=X rpcpassword=Q rpcallowip=localhost rpcport=Y And server=1 rpcuser=X rpcpassword=Q rpcallowip=localhost rpcport=Y I am a litlle confused, can these two conf file ...
Hamita's user avatar
  • 174
1 vote
1 answer
1k views

How do I set 'txindex = 1' in bitcoincore?

How do I set 'txindex = 1' in bitcoincore? I installed it on linux ubuntu. I can not find the /home/bitcoin/bitcoin.conf file. Path to '/home/bitcoin/share/examples/bitcoin.conf'The bitcoin. conf ...
Younha Jo's user avatar
1 vote
1 answer
94 views

Failed to start Bitcoin daemon

I set up Tor with bitcoind. After that, when I started the daemon, I got the following error. Error: Cannot set -bind or -whitebind together with -listen=0 My bitcoin.conf is: server=1 txindex=1 ...
Luke's user avatar
  • 35
1 vote
1 answer
299 views

About traditional Bitcoin mining

I'm curious about traditional bitcoin mining, before pooling. Did an older version of the bitcoin wallet found on sourceforge have a mining feature built in which worked on a simple macbook? if so ...
erikvold's user avatar
  • 893
1 vote
1 answer
442 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 ...
bvpx's user avatar
  • 1,142
1 vote
1 answer
141 views

How to set up my Bitcoin RPC address once ive installed bitcoin core?

I have just set up bitcoin core on my macbook and im wondering how to get my http://login:password@ip:port address set up so i can interact with it. I am a complete noob to running a btc node so some ...
user143476's user avatar
1 vote
1 answer
54 views

What is -vbparams argument and what its the difference with -testactivationheight on Bitcoin functional tests?

Taproot test use the argument -vbparams , but other test like SegwWit use -testactivationheight, what is the use of each one and the difference for using one or the other? class WalletTaprootTest(...
Bitcoin_1o1's user avatar
1 vote
1 answer
76 views

bitcoin.conf priority on merging and conflicting keys?

My main bitcoin.conf is located in the AppData. Setting the datadir in it or via argument allows me to let the daemon/qt load another bitcoin.conf that is located in the DataDir. I can also change the ...
Martin Braun's user avatar