Questions tagged [full-node]

Nodes that fully verify all of the rules of Bitcoin. The most popular software implementation of full nodes is called Bitcoin Core.

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1answer
85 views

Ardor configuration settings to connect to remote node without downloading entire blockchain locally

What configuration is required to run the Ardor wallet software without downloading the entire blockchain, but only connect to a remote node?
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Extracting Bitcoin historical ticker data by setting up Bitcoin Node?

How do I extract the ticker data (historical values such as day price, day open, day close etc) by setting up a Bitcoin Node? Bitcoin Node is setup using Bitcore.io All blocks are syncing right now, ...
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Failing communication with Bitcoin node: Only one usage of each socket address (protocol/network address/port) is normally permitted

I use the cryptean's BitcoinLib to make RPC calls to a Bitcoin node on another computer. Seemingly at random, the connection fails and I get a System.Net.Sockets.SocketException with the error code ...
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How would you recommend parsing a private bitcoin core node with nodeJS?

I just need to parse a private node and lookup one bitcoin address and get all transactions going in or out of the address preferably using nodeJS within the last 200 or so blocks. Any recommendations?...
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What is the right way to restart bitcoind if it crashes?

I am very new to this and apologies if it has been asked before but I can't seem to find a clear answer after looking extensively. I am trying to run a full node. I started bitcoind -daemon and ...
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Lightning Network node without opened channels

If I have a LN node without open channels, does that improve the robustness of the network? I have a BTC and LN node running 24/7 on a Raspberry Pi 3, and no BTC at the moment to open a channel.
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C-Lightning update 0.6 doc

How do you update safely to 0.6 the working C-Lightning node?
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How do you deploy a Bitcoin-Cash full node on a Cent OS 7 server?

I'm looking to compile it on CentOS 7. Perhaps a guide.
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Bitcoin node and sending transaction

Is there any bitcoin free full node (both mainnet and testnet) available online that i can make use of like infura for ethereum? This is because i do not intend to host my own node. Also which ...
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Can I run a full bitcoin node on a Raspberry Pi? [duplicate]

If so, what would be the best way to get started?
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How do bandwidth requirements for running a full node grow with blocksize?

I know they increase. I'm looking for something more precise than that.
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Full node storage requirements for new 2MB block which is only 10% full

If blocks were 2MB, and a 2MB block that is only 10% full gets confirmed, then how much additional storage is required on a full node? I am guessing the correct answer here is 200K? Thanks in ...
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How to confirm my node is on the network?

I wanted to verify that my node is on the bitcoin network. For this I used the 'getnetworkinfo' command on my bitcoincore console and was able to optain my node's IP address. This is: 2001:0:9d38:6abd:...
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Testnet Bitcoin Connection refused (111)

I have ah Raspberry and i will a BTC & Lightning node set up. my bitcoin.conf testnet=3 Bitcoind options server=1 daemon=1 txindex=1 disablewallet=1 Connection settings rpcuser=raspibolt ...
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Does a 2009 node sync the whole bitcoin blockchain

So does a 2009 node sync the whole bitcoin blockchain and does the temporary split of 2013 have any impact on that?
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What will happend when a certain node is not connected to full node?

what will happen when there are some full nodes in the network which are not connected to one client-how can he get new blocks updates? thank you
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Does broadcasting the network flood it?

There are a lot of messages that are sent around the Bitcoin network - e.g. updating new blocks, spreading new transactions. Do these not flood the network? Is it a pure broadcast to all the connected ...
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Setup bitcoin cash with bitcored

I saw that https://blockdozer.com has insight-api for bitcoin cash blockchain. But i cant find doc how to setup bitcoin cash with existing bitcore node. I have already synchronized full bitcored node ...
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3answers
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how to run multiple bitcoind node on one server?

I have created one full node bitcoind on my VPS, that one is serving application A. Now I want to create application B that has another node but on same VPS. is that possible to install multiple ...
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2answers
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Query publicly available full nodes

I don't want to run a full node yet, but I want to build an application. How and what do I use to query publicly available nodes? What nodes besides blockchain.info are publicly available for me to ...
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Verifying old blocks

I have a question about an implementation detail - when are old blocks verified by each full node? I.e. when will I be "caught" if I change the contents of an old block (and thus break the hash chain) ...
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476 views

What would happen if there were no full nodes?

As I see it, full nodes are there to verify the miners block and propagate blocks to other full nodes. Miners can act as full nodes, if not they do not they risk the chance of mining a block with an ...
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Is there incentive for those who run lightning nodes?

This is likely very much a noob question, but I would like to know if there are fees or incentives for those who are running a lightning node? Of course, other than having access to lightning network?
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1answer
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How can a pruned node be classed a full node without the full blockchain?

A full node is a node with the whole blockchain and is able to verify any new incoming blocks. A pruned node, is a node with only some of the blockchain, namely it has removed some of the older ...
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1answer
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Bitcoin Core reports progress only up to 0.999999

On older version - after full synchronization in debug log i see message progress=1.0 In new - only progress=0.999999, it`s normal or i have some problems with synchronization?
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Can a miner just download the blockchain once and then delete it (don't have a full node)?

I am wondering if all bitcoin miners need to be full nodes. Or is it possible for a miner to just download all the blockchain once, do all necessary computations to start mining and then delete the ...
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Who checks if the entire chain in valid?

How can we be sure that the entire chain is valid? 1- I read somewhere that one of the purposes of blockchain is that you can't change the blocks of the past without recomputing the entire thing. Is ...
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Is there a way to query the blockchain locally if I am running a full node?

I'm running a full node on my PC and wondering if there is a way to query the blockchain locally via NodeJS instead of going through blockchain.info? It is very inefficient/slow to run queries through ...
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What is the incentive to broadcast the whole blockchain? What is the incentive to broadcast unprocessed transactions?

Among the strengths of bitcoin is that it mostly allows all actors to act in their own best interest. There are some actions however of which it is not so clear to me what is the direct incentive ...
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Mining without full node

In my understanding it should be possible to run stratum server over some kinda limited node (the one that doesn't carry whole blockchain) since stratum doesn't need many functions from the daemon... ...
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I run a full node. Is there a desktop client to connect to this full node?

I run a full node on my Raspberry Pi at home. I want a desktop wallet that uses this full node. Not interested in using remote-x or xpra or setting up an electrum server.
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How many neighbours does a Node have?

I'm writing a blockchain simulator to evaluate the bitcoin network and currently running some evaluation experiments. I couldn't find a reference for the approximate number of neighbour each Node ...
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Running a bitcoind docker

Thanks to the bitcoin.stack community I have successfully launched a bitcoind docker with an external volume which has the block data Currently its in 100% sync but I am facing an issue to get ...
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What are the major components of a bitcoin full node's bandwidth usage?

A bitcoin full-node uses bandwidth to at least: Receive each block Send each block to other nodes What other major components of bandwidth usage are there for a bitcoin full node in early 2018, and ...
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Possible optimisation to bitcoin propagation

One of the main arguments for not raising the block size in Bitcoin is the fact that larger block size means slower propagation. The most space consuming section of the Bitcoin block is the data of ...
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1answer
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Bitcoin Full Node + Lightning running on single-board-computer, possible?

I know similar questions (regarding a Bitcoin Full Node) were already asked here, but they date all back to 2014 and I think especially the space needed by the blockchain changed a lot since then. I ...
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Private keys not stored on Full Node

Is it possible not to load private keys for the wallet on a Full Node and sign the TXs elsewhere, then broadcast signed TXs from the Node?
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how does a node searches a transaction among various blocks in blockchain?

Let me express what I have got to know about blockchain and where am I stuck. Transactions are stored in the form of merkel trees inside a block. (I know how a merkel tree is made). A merkel root is ...
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3answers
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Bitcoind running on external HDD trying to resolve cookie from default datadir

On Elementary OS Loki 0.4.1 I've downloaded and installed bitcoind as per the official guide from bitcoin.org . However, I in my case I don't have enough space on my internal SSD to store the whole ...
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TCP vs HTTP in Bitcoin

Why does bitcoin use TCP instead of creating a web server and using HTTP to comunicate between the nodes? What's the advantage of using TCP over a HTTP server? Is that important?
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Which one is more effective for attacking the system, controlling 51% of the mining power or 51% of the full nodes?

I used to think it is the miner who verify the transaction, but it turns out this is really a joint work by the miner and the full nodes; the miner broadcasts the newly discovered block, which ...
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1answer
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Help with bitocin.conf - how to configure a testnet full node in a safe way?

The general purpose here is just to have a close interaction with the bitcoin network for exploring reasons and apply some knowledge I have gained through reading here and there. I am not expert! So,...
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Can lightweight wallet users exchange money?

Instead of downloading full block chain, lightweight (SPV) users only download blockheaders of the blockchain. This makes SPV users to check if transactions are confirmed or not. However, can SPV ...
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What scenario could a lack of bitcoin full-node cause problems in the network?

Let's say the only full-nodes in the network were the mining nodes. If you joined the network as a full-node, what problems or attacks could happen in such a scenario? Also, what problems or attacks ...
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Bitcoind gui client, wallet client with peer preference, node manager

first time user here so politely point out any thing I have done wrong. I am looking for three things, but first let me explain the situation and use case: I am using bitcond full node on a headless ...
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1answer
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How should I do if I want to run a full node in GUI?

I'd like to run a full node within bitcoin-qt.exe(It's GUI) I would like to run it as full node like typing command : "bitcoind -daemon" Is it enough to run by just execute a GUI wallet(bitcoin-qt....
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How can I benefit by running a full Bitcoin node?

I noticed that I can run a node with Bitcoin Core. If I open my computer always and make the full node run on my device, what benefits can I get? Is there any reward for serving this?
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Full block chain on a mobile phone

The full block chain size is currently roughly 145GB, I can handle such a download in a laptop or a desktop pc but how does it work on a mobile? I cannot download such an amount of data into my phone, ...
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1answer
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Is it possible to alter the source code and still have a valid Bitcoin transaction?

Say I wanted to run an alternative version of Bitcoin, and I changed 1 line in the bitcoin source code. Is the signature/hash of the completed transaction going be the same or different when I run ...
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Pruning a Bitcoin full node

I am running a full node and considering pruning to gain some disk space. Does Bitcoin Core know how to prune the existing database or will it start the entire sync process over? How much free disk ...

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