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Questions tagged [nodes]

Questions concerned with (full) nodes, i.e. relay points in the Bitcoin network.

3
votes
1answer
110 views

What's going on with my node traffic?

Any idea why there is a such a distinct staircase pattern that ends with a giant spike of received data? Normally the network graph looks random:
8
votes
1answer
9k views

How do I configure Bitcoin Core to connect always to a particular node?

By reading https://bitcoin.org/en/full-node I've decided that I want to run a FULL node (let's call it 'X'), to contribute to the P2P network. So, I'll leave its ports open, or have a DMZ zone with a ...
3
votes
1answer
425 views

'The node is not in a connected state' error when trying to execute OP_RETURN transaction with NBitcoin

This is my first time trying out the NBitcoin library to create a transaction. I am trying to create an OP_RETURN transaction, but every time I try to execute the Version Handshake with the node I get ...
3
votes
1answer
619 views

Monitor bitcoind node traffic?

I was wondering how I would go about measuring the traffic being used on my network for the bitcoind node I am running. It's running on the standard 8333 port, using linux as the OS. I was looking ...
3
votes
1answer
142 views

Can transaction validation really be free?

If you don't validate a transaction, then you are at risk for relying on it, propagating it, or including it in a block you're mining. For this reason, the default behavior is to validate every ...
3
votes
2answers
389 views

Wouldn't bitcoin benefit from distributing partial blockchains over each node?

Why doesn't each node store only a portion of the blockchain? For example, if you had 100 nodes, each node would store 10% of the blockchain. This would amount to significant overlap of each aspect ...
2
votes
1answer
91 views

Do transactions happen globally synchronized?

Since Bitcoin validates transactions by the majority of peers, and stacks ALL transaction history chain to some kind of hash, is then the following statement true? Only one transaction can happen ...
4
votes
1answer
1k views

What is the protection against a malicious node with a bad block chain?

How does a bitcoin node protects against connecting to a node with a forged block chain? How does it say: "Ok, I just got this block chain and it is a valid/legit one" ?
5
votes
1answer
3k views

Is there a way to find how many nodes are there?

As a single bitcoind node I can only detect how many connected peers I have. Is there a way to have a vision of the whole bitcoin network?
1
vote
1answer
95 views

How can one figure out what version of Bitcoin-Core is used most?

Where can one find statistics on how many nodes are running older Bitcoin Core versions or alternative clients?
2
votes
1answer
61 views

Metrics Correlated to “Health” of Bitcoin Node and Network

What metrics can I use as indicators of the health of (a) a full bitcoin node I am running and (b) the bitcoin network as a whole. Some examples I've considered: recency of last block I received on ...
2
votes
0answers
299 views

How to use bitcoind with CUDA-ready box?

I am not asking for mining (which is all the information I could find on the net). I am asking for the regular bitcoind daemon, looking for having a full node with a reasonable high performance per ...
2
votes
1answer
1k views

Total amount of nodes and avarage active peer number

I have 2 questions: Does anyone know where to find a reliable source for finding out a total amount of active bitcoin nodes? How many peers does each active node have in avarage? Is there a limit to ...
2
votes
1answer
310 views

no IPv6 peers connecting to my node

getnetworkinfo says IPv6 is working on my node: { "name" : "ipv6", "limited" : false, "reachable" : true, "proxy" : "127.0.0.1:9050" } Yet why don't I get any IPv6 peers connecting to my node? ...
5
votes
1answer
5k views

Where can I find a list of reliable nodes?

I know about https://en.bitcoin.it/wiki/Fallback_Nodes but this list does not look very reliable or even up-to-date. There is any other place that I can find a better list?
0
votes
1answer
975 views

How do I identify my IP address on bitnodes?

I have supposedly successfully setup a node using the Bitcoin core, but when I go to bitnodes to remotely see if the node is communicating with the network, bitnodes says i am unreachable. Bitcoin ...
3
votes
1answer
242 views

How do I use Bitnode API?

I just started running a full node and was wondering how to use these commands to verify my node: https://getaddr.bitnodes.io/api/ Specifically, what command line or IDE do I need to type these ...
0
votes
1answer
277 views

What is the different between full-index client to full node?

I've read in "Mastering bitcoin" that a wallet can construct a transaction even if offline but is full-index client, I know full node is a client which holds the complete blockchain data. is there a ...
6
votes
2answers
4k views

Historical number of full nodes in Bitcoin

Is there anybody keeping historical data regarding the number of full nodes on the Bitcoin network? There is : https://getaddr.bitnodes.io/dashboard/?days=90 but it only shows data up to 90 days. ...
1
vote
0answers
124 views

Node Discovery Issue

On my node's https://getaddr.bitnodes.io/ page, clicking the "Check Node" button on the bottom of the page reports that the node associated with this IP address is up; however, at the top of the page, ...
11
votes
4answers
11k views

Are people incentivized with BTC to run nodes?

Bitnodes shows everyone running nodes. Are these people incentivized to run nodes? If not, why not? If so, do node operators make some BTC from transaction fees, etc.?
1
vote
1answer
182 views

Is it possible for a person's transaction to show up on the network BEFORE mine if I send bitcoins before him?

To clarify, if person A sends bitcoins to person B, and person C sends bitcoins to person D, 1 second (or less), AFTER person A, can person C's transaction show up on the network BEFORE person A's? If ...
0
votes
1answer
168 views

Pseudo-Node and putative attack vectors on the network

Pseudo-Node is discussed here on Reddit's /r/Bitcoin Essentially it functions to relay calls from connected nodes in a random fashion. This was an experiment into how easily can full nodes be "...
1
vote
2answers
414 views

Bitcoin nodes voting

I'm just watching Adam Back & Gregory Maxwell: Blockstream and Sidechains interview, and wondering how the decision of further Bitcoin core development are made. I know about Bitcoin Foundation, ...
1
vote
1answer
752 views

miner_proxy and minerd Settings

I've started a mining account of Wemineltc.com, and have decided to go down the track of CPU mining. I looked up the relative tutorials on how to do so, and I got some different results. I set the ...
1
vote
1answer
1k views

How to Enable Port Forwarding for Litecoin Mining?

I've just started Litecoin mining, and I've realized that my blockchain takes eons to download, even though its only less than 4GB. I've read several other posts on the same problem, but none of them ...
1
vote
2answers
343 views

Can I independently verify the integrity of the network with only block headers?

Section 7 of the official Bitcoin paper "Reclaiming Disk Space" explains that only block headers are needed to verify transactions. Essentially by making sure that the transaction has been buried ...
5
votes
1answer
1k 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.
3
votes
1answer
444 views

What is a hallmark node in NXT (nxtcoin)?

What is the purpose of a hallmark node for NXT?
3
votes
2answers
709 views

bitcoind hub-nodes

Why is this page blank? http://blockchain.info/hub-nodes Where can I get a list of reliable peers and look at what fees they charge?
5
votes
1answer
510 views

Why is my new altcoin trying to connect to peers and sees almost 200k blocks remaining?

I downloaded and forked the Blackcoin source code. I changed all of the references to BlackCoin, changed the pszTimestamp string along with the current Unix timestamp. Then, I successfully mined the ...
1
vote
2answers
1k views

How to connect nodes globally?

I am running two altcoin clients on different network, connected by VPN. The addnode command works fine, and nodes connects. But what to do if I want others to connect to my network? The ip addresses ...
4
votes
1answer
1k views

Running multiple BTC nodes on separate VMs on the same host machine?

I've got a server running 24/7 with lots of resources left. I want to run a full Bitcoin node, but actually, I thought of running a few virtual machines on it (using virtualbox) and running a full ...
6
votes
2answers
987 views

How to make bitcoind connect to more nodes?

Let's say I have a dedicated server just for my bitcoind and for better reliability and some security reasons I want it to be connected to a much bigger number of nodes than it is willing to do by ...
1
vote
0answers
157 views

Bitcoin.conf connect command

When configuring the bitcoin.conf file, what should you put in connect=? There are IP addresses listed here, so I removed the # sign and left them as is. I also entered my WAN address and my local ...
3
votes
1answer
122 views

If I connect to a specific DogeCoin Node, is it possible to determine the transactions that originate at that node?

I would like to know if it is possible to determine what transactions are originating at a specific node, assuming that I am connected to only that node. This post applies to Bitcoin and DogeCoin as ...
0
votes
1answer
79 views

Does a bitcoin pool appear as one node or multiple nodes to the rest of the network? [duplicate]

I'm guessing that it appears as a single node? For example on http://getaddr.bitnodes.io/?
16
votes
2answers
8k views

What are the minimal system requirements to run a full Bitcoin node?

I want to build a low profile system running as a full Bitcoin node, i.e. just running Bitcoin Core 0.9+ and pretty much nothing else. What is the minimal system (in terms of power consumption) that ...
5
votes
1answer
622 views

Does getaddr.bitnodes.io find all Bitcoin nodes or only one node per mining pool?

Any ideas for finding the number of Bitcoin nodes vs the number of Bitcoin pools? Thank you!
0
votes
2answers
62 views

What piece of code would allow me to check if a block has been found then run an operation?

I am relatively new to C++ and I was wondering if anybody could help me out. I am looking piece of code that will loop until a block is found by a node and then when one is found print a simple output ...
1
vote
1answer
654 views

p2pool inbound connections

I am trying to get inbound connections on my p2pool instance. I currently have 6 outbound connections and the pool is working fine, but I would like to have more connections (might help get a few less ...
2
votes
2answers
438 views

What node implementations and mining pools relay and process 'non-standard' scripts?

Which Bitcoin node implementations, if any, currently relay valid transactions that use so-called 'non-standard' scripts? What proportion of the network is made up of these implementations? What ...
0
votes
3answers
2k views

Is it possible to run bitcoind without downloading the blockchain?

I'm using bitcoind on a project, and I only need to send bitcoins to myself (from one wallet to another), so trust is not a factor. That being said, is there a way to run bitcoind without needing to ...
5
votes
2answers
4k views

How does a bitcoin transaction enter the network?

I am trying to understand Bitcoin at a more fundamental level. I'd like to know how a new transaction enters and propagates across the network? I've read many Bob and Alice type scenarios where it's ...
10
votes
3answers
24k views

Can I earn transaction fees by running as a full node, verifying transactions, but not mining?

As I understand it, by running a full node (i.e. Bitcoin-QT) , I am helping confirm transactions and contributing to the Bitcoin network. When transaction fees are offered, do I receive these, and ...
2
votes
2answers
1k views

When running a mining pool how many (super)nodes should I connect to?

Is it beneficial to connect your *coind instance to multiple supernodes? Or Should I connect to more than the 8 standard peers? Does this potentially improve the amount that could be earned in ...
0
votes
1answer
2k views

How to find a list of all nodes in a p2pool network?

I'm running a p2pool node for cachecoin and see there are more users and hashrate in the overall p2pool network than from the known nodes. Is there a way to get a list of the connected nodes somehow, ...
2
votes
1answer
253 views

Why do my futures keep getting cancelled using BitcoinJ?

I am trying to write an application that queries bitcoin nodes for the results of a particular transaction. I am attempting to imitate FetchTransactions.java, one of the examples that comes with ...
1
vote
2answers
771 views

Block confirmation speed

Based upon any standard you think relevant, how quickly are current blocks being verified for rule-following such as correct balance tallies, true transactions, correct rewards & fees? Is this an ...
4
votes
1answer
7k views

How to setup a DNS Seeds node and a Seed Node (for Litecoin clone)

I'm doing this for study purposes (creating a Litecoin clone). I read somewhere that for SCRYPT clones, the DNS Seeds nodes aren't necessary? If I do need them, how to I setup these nodes. I know a ...