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Questions tagged [nodes]

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

0
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2answers
39 views

How is pool hashrate share name known?

Since it’s not possible to know mining pools nodes addresses, how do we know the that a specific node owing 15% of share belongs to btc.com for example ?
0
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1answer
15 views

Is it possible to get the full list of synced nodes ɪᴘ on the network?

There are many website like https://bitnodes.earn.com/ but I’m failing to understand if they collect nodes from compulsory submission on the web interface for statistics purposes only or they use a ...
5
votes
1answer
74 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 ...
0
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1answer
58 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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0answers
23 views

Is 10K full nodes enough to bitcoin to avoid 51% attack?

As I know bitcoin has about 10K full nodes. And the question is in my mind is that: This number is not huge! If someone has 6K servers, Can control the bitcoin via 51% attack? I was thinking if ...
0
votes
1answer
76 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 ...
0
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0answers
22 views

How to create a node to a private blockchain using Bitcoin core

Is it possible to create to connect to a private bitcoin chain with bitcoin core? I created a private bitcoin chain through regtest on one vm. Now I want to make a full node copy of it on a separate ...
0
votes
1answer
52 views

Rewarding full nodes trough the Lightning Network

Sometimes I think "DASH" has some kind of advantage over Bitcoin because it has some rewards not just for the miners, also for the full nodes. Am I correct? Is not this a strength (a prevention) ...
0
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2answers
57 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?
0
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1answer
24 views

Bitcoin-Qt [11690]

I found this on my mac computer what is the meaning of this can you pls hep me to understand I am new to this; Process: Bitcoin-Qt [11690] Path: /Applications/Bitcoin-...
0
votes
1answer
63 views

Bitcoind doesn't start

Im trying to make Stadicus guide work for both Bitcoin Core & LND I did download the blockchain and moved to the HDD on my Rasp3 However, when starting the bitcoind service, im having this debug....
0
votes
1answer
34 views

Can't connect to bitcoin lightning node

Am trying to connect to https://1ml.com/node/02671251b5678771514df8f26cc01508606d697ae8cad38063f84becbd359b189f From eclair app https://imgur.com/gallery/GoAMpjp it keeps saying failed to open ...
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0answers
25 views

Wallet error ErrorFile=… /testnet3/wallets/db.log

I want to use two deamon for sync mainnet and testnet. I Run $ bitcoind for mainnet without problem After I run $ bitcoind -testnet But I get this error BerkeleyEnvironment::Open: LogDir=/home/...
0
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0answers
33 views

Locating Bitcoin mining activity

There is any systematic way to locate Bitcoin mining activity (either block creation or node activity). I stumble upon with Bitnodes code which implements a recursive search using some nodes as "seed",...
0
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2answers
30 views

Does a Node connect to all the peers?

Does a Node connect to all the peers in the network? Or just a few? If its just a few, how many? If its just a few, what about if all of those nodes in the list are malicious?
1
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0answers
18 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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0answers
15 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
votes
1answer
124 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
23 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 ...
3
votes
1answer
86 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
219 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
votes
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., ...
0
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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?
1
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2answers
153 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
65 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
votes
1answer
24 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?
0
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2answers
71 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
237 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
vote
3answers
337 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
votes
1answer
57 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
vote
1answer
59 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
521 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 ...
2
votes
0answers
44 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
vote
1answer
37 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
vote
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
votes
1answer
301 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 ...
1
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0answers
35 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
votes
2answers
503 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
votes
2answers
127 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
vote
1answer
54 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
36 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
vote
1answer
335 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 ...
1
vote
3answers
432 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.?
1
vote
0answers
25 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, ...
3
votes
1answer
597 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
vote
1answer
193 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
votes
2answers
4k 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
vote
1answer
97 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 ?