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Questions tagged [nodes]

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

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0answers
16 views

Blockchain, correction of blocks

How do a malicious nodes correct their blockchain if they have it wrong? If they don’t want to fix it, what happens then?
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1answer
32 views

Is it possible to create a wallet service, which doesn't have all the blockchain downloaded?

Is it possible to create a wallet service, which doesn't have all the blockchain downloaded? Like not running a full node itself?
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0answers
15 views

Byzantine fault tolerance and blockchain: Can this work? Feedback [closed]

I’m a software developer and I was wondering if this can work (According to my point of view it could work but I’d like to get some feedback) Two types of Nodes: Proposers, Validators. 1) Proposers ...
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0answers
14 views

Private Blockchains: Blocks’ validation

I’m a software developer and I’m trying to understand blockchain at a code level I have the following issue: There’s a private blockchain, this private blockchain does not have any relation to ...
2
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1answer
66 views

How is node capacity determined on 1ML.com?

I have set up a Casa node, using lnd, and opened 15 payment channels. The capacity of my channels, after almost 3 weeks, is exactly what it was when I opened the channels, leading me to believe that I ...
0
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1answer
20 views

Private Blockchains: Validation

I'm a software developer, and I have some questions about private blockchains, I'd like to have technical answers since I'm trying to understand blockchain at a code level. I'm going to write a ...
2
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1answer
23 views

Checking whether lightning node is online/visible

I just created my first lightning node and already have one active connection. My problem is however, that I do not see my node in any lightning network explorer. Is it possible to somehow check ...
0
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2answers
203 views

BTC full node very slow block downloads

I have a server with 32 Gigs of ram and running the node on a docker container using Bitcoin Core Daemon version v0.15 with 8333 ports mapped Nodes been running for 2.5 weeks still 300k blocks and ...
0
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1answer
22 views

What happens to .blk files on disk when the Bitcoin daemon switches to a longer chain?

I’m interested in writing a program that will (1) parse the .blk files that my full-node Bitcoin daemon writes to disk and (2) write them to a relational database in an incremental fashion (i.e., ...
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0answers
19 views

SPV node in local machine [duplicate]

I have fullnode in my local machine, I'd like to have SPV node to understand how SPV works with merkle tree. With Bitcoin Core 0.17.1 I can have only full node?
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2answers
142 views

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.
0
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1answer
59 views

Altcoin clone peer connections limited to 1

I cloned an altcoin and set up a network of 7 peers. One of the clients is connected to a pool and is mining the coin. All the other clients are connected to the pool one and are syncing and ...
0
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1answer
23 views

How many unit test should be run after building a node?

After building Bitcoin ABC and running make check, I get this: # TOTAL: 1 # PASS: 1 # SKIP: 0 # XFAIL: 0 # FAIL: 0 # XPASS: 0 # ERROR: 0 Is that correct?
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2answers
70 views

Is there an efficient way to get the last 200 blocks (BTC, LTC, ETH)?

I am looking for an efficient way of getting the last 200 blocks and being able to pull all transactions related to an address. I would like to do this for BTC, ETH, and LTC. Is there any way to ...
0
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3answers
219 views

How to allow/setup crypto transfers/payments on my website?

I'd like to learn how to allow end users on my website to pay for goods using cryptocurrency. Questions I have: 1 - How would I confirm the transaction has been received ? 2 - How would I confirm ...
1
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3answers
262 views

How to run multiple node in same machine?

I have created an altcoin base on litecoin source code. I want to test it in multiple node to test peers of each node weather each node can connect to each other. So I try to run "mycoind" in multiple ...
0
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1answer
46 views

How does bitcoin broadcast information?

On Bitcoin's Blockchain, how is information transmitted instantly to all other nodes and do nodes 'talk to each other' through an API? Do Blockchain nodes communicate with each other through HTTP ...
0
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1answer
28 views

How does the Bitcoin network maintain the chains created when two nodes generate different versions of the same block?

I came across these lines from the Bitcoin whitepaper: If two nodes broadcast different versions of the next block simultaneously, some nodes may receive one or the other first. In that case, ...
1
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1answer
56 views

Why connected node count have dropped since august 1st?

before 1st august i used to connect to 55+ nodes on my bitcoin-core, even if i kept the bitcoin-core running for 12 hours. but after 1st of august, the connected nodes count is not going above 15-23 ...
0
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1answer
508 views

Blockchain download taking many days

I'm trying to download bitcoin core (ultimately want to run a node off my laptop). However the blockchain seems to be taking a (very) long time to download. I've read in some posts it might take up to ...
0
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1answer
55 views

Where can I get a visual example of the entire bitcoin network starting from physical network to the overlay network

*Note I am not a technical person so excuse any misunderstandings on my part here. I am looking to get a sense of how the entire system looks like as a whole starting from the physical hardware (such ...
0
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1answer
69 views

how do i setup a node for my altcoin?

I just created a new altcoin based on foocoin or barcoin. But now i need my wallet be synchronized. There's some way to setup a node without any cost or low cost for my wallet? By other part, i just ...
2
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0answers
36 views

How to get multiple connections to the same node

I'm playing around with connecting my node to another one of my nodes to see how many incoming connections I can handle. Whenever I add node A from node B with bitcoin-cli addnode 1.1.1.1 add after ...
1
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1answer
30 views

Bitcoin full node sharing blockchain

Does anyone know how one might run two bitcoin full nodes on the same machine with both these nodes sharing the same blocks and chainstate files, is a symlink to these files enough or must something ...
1
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1answer
48 views

How is the Bitcoin node network different from the IOTA network? [closed]

I asked this question on IOTA's forum here: Real incentives for running a full node? One of the founders from IOTA Come-From-Beyond (Sergey Ivancheglo) responded with this comment: "However, ...
4
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1answer
300 views

Why would running a light node riskier and subject to more frauds than a full node? We don't NEED a full ledger, do we?

I've been reading on light node and many have pointed out that the light node doesn't have the full blockchain and is riskier because they can't verify the transactions fully. First, we can verify ...
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0answers
31 views

Why can't an ISP ban access to a blockchain network? [duplicate]

I read that blockchain sits on top of the internet and is decentralised. We still have to access the blockchain network via an ISP. Without ISP, we can't access the internet so why can't an ISP block ...
3
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2answers
435 views

How does the Bitcoin network deal with bad actors?

Can someone explain at a high level how the network deals with bad actors (either intentionally (ie- attacker) or unintentional (ie- misconfigured node or a node running outdated code, forked code, ...
3
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2answers
121 views

How do block explorers determine propagation through nodes/P2P protocol?

On several Bitcoin blockchain explorers, I have seen unconfirmed transactions given a dedicated "propagation" value that tells a user how much of the Bitcoin network has become aware of this ...
1
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1answer
43 views

What percentage of nodes currently support segwit?

What percentage of nodes currently support segwit? It seems Bitnodes could figure this out, but I can't find such a stat on its website.
0
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1answer
24 views

How do you download blockchain data (transactions etc.) using a node? Best ways to get a node?

I am just curious how one can download bitcoin data and blockchain using a node. Where should I start?
1
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1answer
272 views

How To Run a Litecoin Node?

How To Run Litecoin Node? I want to run my own litecoin node like bitcoin I know how to run bitcoin node but there is some issue when i am starting litecoin node Any Idea? #Creating Litecoin ...
4
votes
1answer
62 views

How to migrate lightning nodes?

I am wondering what steps to take to migrate a lighting node to a different server, keeping the pubkey/identity. The safest option is obviously to close the channels first. How is the identitiy pubkey ...
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3answers
405 views

As a full node, does limiting bitcoind bandwidth hurt the network?

As the top answer to this post, Maximillian Laumeister claims: "IMPORTANT NOTE: If you limit the bandwidth of Bitcoin Core far below your actual upload speed, it can actually harm the Bitcoin network ...
11
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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.?
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0answers
22 views

How to set up a gateway node?

I have two nodes running in my local machine. one public facing and another connected ONLY to the public facing node. I ensure they are whitelisted and in different ports. the nodes connect just fine, ...
2
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1answer
531 views

Can you run a bitcoin lightning node on a raspberry pi zero?

Will a bitcoin lightning node run on a raspberry pi zero? Does it have to have the full Bitcoin blockchain synced or can it connect to a remote node? Also what are the minimum requirements to get a ...
1
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1answer
186 views

Is bitcoin node and bitcoin client the same thing?

What is the difference between btc node and btc client? Which one is bitcoin-core and which bitcoind?
3
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2answers
3k views

What is the advantage of running a Ripple masternode?

There is one thing that I cannot stop wondering about: Why would someone run a Ripple masternode? Before you mark this as a duplicate, I understand how the transaction fees work in Ripple and also the ...
1
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1answer
89 views

How Bitcoin node discovery work?

When you install Bitcoin client, how does it discover the nodes to get a copy of the blockchain? Are their seed nodes ? Are they vulnérables? SPOF ?
0
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1answer
261 views

Can we estimate how many node has the Bitcoin network? [duplicate]

Is it possible to estimate the amount of nodes (hosts) are connected to the Bitcoin network in a given time? Note: Here node means host.
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0answers
42 views

How do I check if I am running a Dogecoin full node?

Are there any tools to check if your dogecoin node is reachable?
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2answers
182 views

What is the ideal public nxt.properties config file for a public facing node for NXT / Ardor?

I can't find a template for nxt.properties when running a public node. Is there a public template I can just copy and paste and make some adjustments for NXT / Ardor?
4
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3answers
834 views

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?
0
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1answer
37 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?
2
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1answer
24 views

How does a new node know where to connect to initially? [duplicate]

Is there a default (centralized) set of IPs that a node connects to when it's just starting up for the first time, in order to get the list of other nodes' Ips? What happens if these initial IPs are ...
13
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1answer
3k views

Can I addnode to blockchain.info?

Blockchain.info http://blockchain.info/connected-nodes shows a list of nodes it is connected to. Is it possible for me to add them as a node for connection?
1
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1answer
28 views

structure of communicating with bitcoin DNSs to get list of nodes

I want to communicate with bitcoin DNSs to get list of bitcoin nodes. for now I want some example and structure of messages between I and bitcoin DNS. I found two DNS names: dnsseed.bluematt.me ...
2
votes
3answers
152 views

When a node receives a transaction, what steps does it do to verify that transaction?

I know that it verifies the block hash by calculating each hash of the contiguous blocks in order, but does it verify the balance of each wallet sending the transactions as well? And does it do the ...
0
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3answers
30 views

Problem in understanding other miners validating puzzle solving miner's claim

I understand that miner's role is to validate the block of transactions by calculating nonce based on difficulty level and finding hash of {block + nonce + hash of previous block} . Then it adds this ...