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

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1answer
16 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 ...
1
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0answers
18 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 ...
0
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1answer
38 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 ...
0
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1answer
27 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? ...
1
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2answers
39 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
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0answers
21 views

Write your own node to send simple messages to network

I've been trying to do a simple bitcoin node in PHP, what sends simple messages to another nodes (like "getaddr"), and gets response from it. Currently best "base" to start with is this (github), but ...
0
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0answers
33 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 ...
0
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0answers
22 views

Is there a site that list out all nodes of all crypto coins?

I would like to find out how many live nodes are there for all crypto coins. Its basically an aggregate of all coins with the number of live nodes each one has. Currently have have to goto individual ...
0
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1answer
31 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 ...
1
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0answers
85 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. ...
0
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0answers
13 views

How Does Bit Coin Discovery Work? [duplicate]

According to the original paper on Bit Coin transactions are broadcast to a number of nodes as are Proofs of work. My question is if Bit Coin is decentralized how are transactions and proofs of work ...
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0answers
39 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, ...
3
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3answers
225 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
49 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
70 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
129 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, ...
0
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1answer
85 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
159 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
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2answers
94 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
180 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.
2
votes
1answer
135 views

What is a hallmark node in NXT (nxtcoin)?

What is the purpose of a hallmark node for NXT?
2
votes
2answers
247 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?
4
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1answer
129 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 ...
0
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2answers
297 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
272 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 ...
4
votes
2answers
245 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 ...
3
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1answer
75 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
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1answer
29 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/?
8
votes
2answers
4k views

What are the minimal system 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 ...
3
votes
1answer
216 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
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2answers
52 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 ...
0
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1answer
274 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
187 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
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2answers
538 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 ...
1
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2answers
639 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 ...
1
vote
2answers
424 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
986 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, ...
1
vote
1answer
136 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
207 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 ...
1
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1answer
3k 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 ...
3
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2answers
1k views

What is a Bitcoin node?

There’s a lot of reference of "bitcoin node" in official FAQ or elsewhere. But, what is exactly a bitcoin node ? Is it a client like Bitcoin-qt or is it only a miner ? Or both ?
0
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1answer
163 views

Acting as a passive node rather than an active one using bitcoind

I currently have a bitcoind version:80500 running on a VPS. I am interested in using it to only verify transactions for me much the same way blockchain.info does. Is it possible to run bitcoind to ...
6
votes
1answer
232 views

Bitcoin Node Data Leakage

Besides an IP address and broadcasting transactions, what other pieces of information can be derived from a Bitcoin node in the network?
1
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1answer
115 views

How to connect to several Bitcoin nodes using Bitcoin

I'm looking for a way to connect to several Bitcoin nodes using Python... I've been looking in different Bitcoin-for-Python libraries, but I haven't found anything :( What should I do?
0
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1answer
90 views

Does a Bitcoin node need to scan through the whole blockchain in order to be 100% sure that a transaction sent to it is genuine?

Does a Bitcoin node need to scan through the whole blockchain in order to be 100% sure that a transaction sent to it is genuine (especially when some inputs are derived from coins generated in the ...
7
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3answers
521 views

At what point is a new wallet known by the Bitcoin network?

I was just showing a deterministic wallet to a friend who asked "At what point is the wallet known to the network?" and I could only guess by saying that it is known only when a transaction is ...
13
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1answer
962 views

What's the status of alternative full node implementations?

In "Does running an alternative full node implementation benefit the Bitcoin network?", I asked about running an alternative full node implementation for the benefit of the Bitcoin network. What is ...
4
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1answer
388 views

Does running an alternative full node implementation benefit the Bitcoin network?

I've seen discussions suggesting that a monoculture of full nodes is a risk to the security of Bitcoin. The accepted answer to the question "What benefit does a non-mining client provide to the ...
11
votes
2answers
645 views

Why is pruning not considered already at the moment?

I understand that Bitcoin scales in several meanings (Scalability), and pruning is one important concept of it (SE Question). I also understand that a "Simplified Payment Verification" (SPV) needs to ...
1
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1answer
181 views

What else can bitcoin inventory vectors be used for?

As described in the protocol specification bitcoin nodes respond to the inv command, which queries a node's knowledge of one or more objects, with an inventory vector. According to the bitcoin wiki, ...