Questions tagged [nodes]

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

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6
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1answer
356 views

To run a full node, should I get a static IP address from my ISP?

I have a router connecting my home LAN to the ISP. After opening port 8333 on the router, and forwarding it the computer running the node, bitnodes.io confirmed the node was reachable. However, ...
3
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1answer
119 views

Is it possible to restrict Bitcoin's network traffic?

Bitcoin is just a software running on a computer communicating securely with peers on the internet. What will it take purely in technical terms to ban Bitcoin nodes from communicating with the network?...
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26 views

How could a decentralized network limit the amount of nodes to one per user

Proof of Elapsed Time seems like a great idea to me, but in fully decentralized and public networks (like one similar to bitcoin) this would bring problems with it as one could just put up as many ...
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0answers
7 views

Does receiving a transaction interrupt proof-of-work? [duplicate]

As I understand it, when a transaction is broadcast to a node it then gets relayed across the whole network. If you have a collection of transactions that you're trying to figure out the nonse for and ...
4
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1answer
85 views

If there are a significant number of pruned nodes on the network will it impact network security?

The size of the Bitcoin blockchain is reaching 350 MB and adding more than 60GB per year. I feel verification node centralization a risk if the cost of storage does not drop. My question 1: Is using ...
0
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1answer
37 views

Bitcoind information about the input and output

Im trying to get the wallets/accounts the money got sent to. But getrawtransaction does not give any information about the reciever or sender
0
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1answer
39 views

How do Blockchain Explorers lookup wallets? [Balance]

How do Blockchain Explorers lookup wallet balances? Im trying to make my own explorer. For example Bitcoin-cli does not have a method (function) to lookup a wallets balance. listtransactions does not ...
0
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1answer
23 views

no output on gettxout method [All Blocks Are Counted]

litecoin-cli gettxout "9d56b3bf179a988873fc2162d70bba44849ef822764c9049a0f722b5fdc9acc1" 1 This is the command im using to get information about a transaction. litecoind -txindex=1 -daemon -...
3
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1answer
113 views

Are there any downsides to banning node crawlers?

There are multiple entities and open-source software that crawl the Bitcoin P2P network to discover and monitor nodes for various purposes (statistics, surveys, academic papers etc.) Some of those I ...
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1answer
62 views

Public Bitcoin Nodes? [No API]

i've been searching for hours now. Also on StackExchange here. Are there any public nodes that i can connect to using jsonrpc? I want to lookup stuff (im not into generating priv keys or anything) but ...
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1answer
35 views

How much info share bitcoin nodes between other nodes?

1.If we assume bitcoin nodes share the other nodes addresses in the end every node know other nodes adresses right? 2.If we share data through network every node share the same information other ...
0
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1answer
49 views

How do nodes contribute to security when the power comes from mining and what is the chain of transaction validation?

Blockchain security comes from the decentralisation of hashing power by miners. They append transactions to a block, perform PoW and add them to the blockchain when that validate blocks. How do nodes ...
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1answer
19 views

BTC Node for Dummies [duplicate]

Just downloaded, and I am now running a BTC pruned node. Is there a good primer or beginner's guide to running it? I have more questions than I think I can ask in one post.
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1answer
21 views

What happens if nodes have different P2P versions during discovery?

My understanding is that nodes connecting to each other to exchange messages starts with a version handshake such that each node sends its P2P protocol version and gets an acknowledgement and vice ...
2
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1answer
95 views

Relocating Physical Node Location

Are you able to relocate your node's physical location (i.e., move from Oregon to New York) and keep all the channels you've established intact?
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0answers
23 views

Where can I find a high performance search capabilities in a Bitcoin node implementation?

Where can I find a Bitcoin node implementation, which is capable of thousands of searches per minute, without degrading performance of the node? I am aware of two Bitcoin node implementations. ...
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0answers
16 views

Difference Between vSeed and vFixedSeed

Im curious what the difference is between the vSeeds and the vFixedSeeds. I see how the vSeeds and DNS loaders of IP address and then there is the vFixedSeeds that are generated with python and the ...
0
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2answers
159 views

If I buy an ASIC miner and run it at home, do I become a Bitcoin node?

I tried to find the Bitlist visualization as mentioned in the documentary The Rise and Rise of Bitcoin, but could not but instead found https://bitnodes.io/ It says there are 9741 nodes. Does that ...
3
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1answer
246 views

Can a customized or non-bitcoin node be made to talk to a bitcoin node?

Is it possible to create a node with some different code from the bitcoin nodes but still able to talk to the bitcoin nodes? Is it possible for someone to customize their own node to add some ...
0
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2answers
509 views

How many computers are connected to the “Ledger” or the Blockchain of Bitcoin?

Somebody asked me about Bitcoin and I explained to him many many computers are connected to the Blockchain to keep records of all the accounts (or to keep addresses of the bitcoin and owner?). But how ...
0
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2answers
48 views

Can I be the transaction processor and take in transaction fees as income without mining a Bitcoin?

Can I be the transaction processor and take in transaction fees as income without mining a Bitcoin? Would the fees be so low that it is not practical? Or is it true that I have to be a miner in order ...
3
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2answers
100 views

What stops an attacker from crippling the Bitcoin network?

An individual (or government) who wants to bring down the Bitcoin network could conceivably broadcast a ton of junk/illegitimate transactions to the network thereby consuming the bandwidth and ...
2
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0answers
52 views

How to reliably check if your bitcoin onion node is reachable as advertised?

If getpeerinfo returns a good number of outbound onion peers but none show up as inbound:true, how do you check if your node is properly reachable as advertised? Several guides and forum answers ...
3
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1answer
41 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,...
0
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0answers
208 views

nodes are run to get rewards or just to help bitcoin [duplicate]

I wanted to make a share of my help in bitcoin validation. my question is do Running A Full Node to validate transactions pays reward back or not so I can also benefits from my help to the community
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1answer
58 views

how does bitcoin's 6 confirmation really help?

I've read the following: transaction is “confirmed” once it is buried 6 blocks into the blockchain. This is taken to be a sufficient proof of work such that reversing 6 blocks to double spend coins ...
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3answers
95 views

How exactly does “CoinDance” determine the current number of public Bitcoin nodes?

On this URL: https://coin.dance/nodes It says how many public Bitcoin nodes are currently active in the world, and how many Bitcoin Core ones. While it's good that I can grab these numbers from that ...
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1answer
138 views

Lightning Node hardware

Will I, or anybody have more capabilities with a Lightning Node, that is CPU or GPU Powered? For instances a more powerful computer vs Raspberry Pi’s
2
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2answers
137 views

Can you run a full Bitcoin node on Node.js?

Are there bitcoin full node implementations running on Node.js? Node.js is the server side language that I'm most familiar with so I was wondering if I can run a full bitcoin node on Node.js? I just ...
0
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1answer
32 views

Why was the BIP33 (“Stratized Nodes”) never implemented?

What are the technical reasons that BIP33 was never implemented ?
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2answers
67 views

bitcoin node take transactions fee and validate them [closed]

a bitcoin node check transactions and validate them . does it take transaction s fee. when validate transactions how much bitcoin transaction fees for a node.and possible reduce fees in a bitcoin node
0
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1answer
40 views

Can you help me tell if my new out-of-the-box ssd for a Pi4 myNode project is DOA?

Trying to setup a node on a Pi4 with ssd and blockchain appeared to be downloading well. My router said I was gobbling data for 2hrs. Then I received the "Looking for Drive" message. I rebooted once, ...
1
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1answer
39 views

Why do I have to update my node version if I am up to date?

So a few months ago I unplugged my bitcoin node when it was running perfectly. So when I connected it again this week I had to let it sync to the blockchain again. Now you can see it's synced but I ...
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1answer
62 views

What kind of bug does bitcoin core possess that have to be replicated

In order to build a bitcoin client accepted by the current bitcoin nodes we to have to emulate the C++ code present in the bitcoin core client, with all its attributes even the bugs. For example the ...
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0answers
34 views

How could be useful the softforks field that provides the RPC command getblockchaininfo?

When I execute the command getblockchaininfo I see useful information but I don't understand how to be useful the information that is displayed through field softforks, the example below: bitcoin-cli ...
0
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1answer
82 views

How do bitcoin nodes agree who first mined ablock?

Once transactions are broadcast and a node starts working on a proof of work, and finds it, it broadcasts it to all other nodes for that block to be verified and added onto their blockchain. All nodes ...
1
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1answer
111 views

How can you trust Bitcoin nodes?

If you send send a transaction request to a node, what is to to ensure that node doesn't simply log your private key and do nothing? What is to stop the entry node from taking a transaction intended ...
4
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2answers
167 views

Why do two different fully synced Bitcoin Core nodes differ in the blockchain size?

The size_on_disk printed when executing getblockchaininfo is 1.2 GB smaller than other nodes are reporting at the same time/block. txindex=1 What could it be?? I've asked to other peers on twitter ...
0
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1answer
302 views

Error while syncing with the blockchain on my Raspberry Pi

So I already have the node set up on my raspberry pi. This night the transfer of the Blockchain from my laptop to the raspi's hard disk finished. Now I am waiting for the blocks to match the headers "...
0
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1answer
386 views

How To get Address Public Key from Account XPUB?

I am little bit confused or not able to get the right Address Node Public key from Account XPUB. What I have done : Get the Account XPUB [78Bytes] SHA-256 SHA-256 Again Created Extended XPUB (XPUB ...
0
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1answer
36 views

How to determine the peer/node that created a transaction?

You're running your node and you receive a transaction from a peer, how do you determine if that peer created the transaction or if it is simply relaying the transaction. In other words, can you map ...
3
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1answer
54 views

Transaction propagation criteria vs mempool inclusion cirteria

Do Bitcoin nodes propagate every transaction or only transactions that meet certain criteria? For instance, a transaction with a fee of 0 won't necessarily get included into a block and it might even ...
2
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1answer
53 views

How to add a second user with SSH access to my Ubuntu PC running Bitcoin Core?

I have a friend who is interested in learning Bitcoin CLI, and I told him I would look into giving him access to my node - in a non-destructive way - perhaps testnet only ? Totally trust this person, ...
1
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1answer
33 views

Do local nodes work across crypto types?

Newbie to all of this, hoping you can help with what is probably a "duh" question. I'll keep it brief, though: if I download the blockchain using the instructions given for the Bitcoin GUI, will I be ...
3
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3answers
384 views

Can we shutdown the Bitcoin blockchain?

I maybe wrong but what I think is the blockchain ledger exists as long as there are active nodes in the network. So can the Bitcoin blockchain be shutdown by shutting down power supply across the ...
2
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1answer
195 views

Is it possible to share blockchain data between multiple nodes?

I'm planning to create a Raspberry Pi Cluster in order to run several bitcoin nodes. Can I share parts of the ~/.bitcoin/ folder in order to not have to store the entire hundreds of GB for each of the ...
0
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2answers
196 views

How can I run a light (SPV) node on Linux?

I tried to sync the blockchain and, though I have ample free disk space (>500 GB on my computer, the chain is ~265) I've been having a hard time. So, how can I use an SPV node to send transactions and/...
0
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1answer
79 views

A question about transaction broadcasting and block creation

Let's say we have transaction X and transaction Y. The timestamp of X is chronologically earlier than that of Y. X's spender broadcasts X to the network and the same goes for Y's spender. Let's say ...
0
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0answers
48 views

How do lightweight nodes and SPV wallets calculate balances?

Can they do it? Or they "talk" to a full node for that purpose and are used only for mining purposes? Thanks in advance for your answers.
0
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1answer
18 views

My bitcoint-qt client is crashing due to insufficient file descriptors repeatedly even after I set the ulimits to 65535

What are the exact resource requirements for a bitcoin-qt client. this is important and hard to find information. In virtualization world those things need to be understood. :) I am running a KDE 18....

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