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Questions tagged [full-node]

Nodes that fully verify all of the rules of Bitcoin. The most popular software implementation of full nodes is called Bitcoin Core.

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12 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 ...
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1answer
29 views

How can a person reasonably prove they're running a full node?

I mean running themselves in a computer they control and not just fetching blockchain data from a public blockchain API or something like that. I imagine that may be impossible, but there could at ...
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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 ...
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7 views

Move a Bitcoin full node running on Raspberry-Pi3 from the current microSD to another microSD

I have a fully syncronized full node with TOR The blockchain is stored on an external hard disk. The operative system is a Raspian What I have to do to move it to another microSD with operative ...
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1answer
22 views

Neutrino enables full mining nodes without storing the entire chain?

in follow-up to thread 85203: With a fully implemented Neutrino (BIP 157/8) in Bitcoin, would it enable one to operate a MINING Node without having to use/store the entire gigabytes of blockchain ...
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41 views

api limit workaround

Are there any ways to avoid limitation for api calls (5/sec)? I need the info about transactions and balance (of certain account), UTXOs and the ability to broadcast my transaction. Currently I am ...
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1answer
28 views

How can I validate the amounts of these wallets (https://bitinfocharts.com/top-100-richest-bitcoin-addresses.html) on my bitcoin full node?

Followup question: I am running a bitcoin full-node and it took a month to sync the blockchain. I did not create the full-node with a bitcoin wallet. I stumbled upon this 'importaddress' command (...
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1answer
38 views

Betweeness Centrality LND node

How can one calculate betweeness centrality of your node as mentioned in that video. I would like to take into consideration base_fee_msat fee_rate Is there a smart way to figure out what suites ...
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1answer
526 views

Can I send almost 1MB transaction?

Block size is still limited to 1MB. As I understood, transaction size is no longer limited. So can I be sure that my transaction with 29000 outputs and reliable fee will be included into block? Or ...
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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) ...
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1answer
34 views

Implementation of getdata

I am confused about how getdata() is actually implemented at full nodes. Suppose a full node receives a getdata() request with MSG_BLOCK flag and a hash H of some block B. Then would it simply look ...
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82 views

how can i get rid of a zombie channel in LND?

My LN-Node: 023bf99414b3e93ab7463ce60f44cd691f8be3c1ae33a2015fe784c85c36e770cf bitcoind 0.17.1 // LND 0.5.2-beta commit=v0.5.2-beta-rc7 Channel: 598078250466476032 Problem: lncli feereport returns: ...
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1answer
33 views

Bitcoin core full node won't start on mac reboot!

I had been running bitcoin core qt for a few months fine and then on rebooting my mac and opening the application the following prompt popped up Error: Cannot parse configuration file: specified data ...
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1answer
38 views

Whats the difference in way you installing full nodes

I'm newbie in blockchain world, so I'm curious what is the difference between installing full node by using libs such as bitcore-lib (using node.js) and installing it through the daemon (mentioned ...
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3answers
119 views

What is a good hardware for a lightning network node?

What is the hardware setup you use for your LN node? Is a Raspberry Pi 3 enough for testing and playing with small amount of funds?
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1answer
34 views

How does a node decide whether a block is valid?

I'm a software developer, and I've been trying to figure out how a node decides whether a block is valid, I do understand the hashes in bitcoin, the merkle root, and all those aspects but my question ...
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1answer
36 views

`lnd` on Raspberry pi zeros?

Did somebody try to run the bitcoind full node on the Raspberry pi 3 and one or more lnd nodes on one or more Raspberry pi zeros? My goal is to support multiple LN clients without having to run a ...
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1answer
40 views

JSON-RPC get full nodes information

Is there any way to get all full nodes by RPC call? Afaik full node contains information of other full nodes in the network and was wondering how to request that. I red the documentation on Bitcoin ...
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1answer
84 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 ...
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0answers
27 views

Bitcoin-Qt UI options for configuring Tor proxy: select one or both?

I have two questions that I can't seem to find answers for anywhere, probably because they are noob questions, so please bear with me. I don't want this to be redundant and will close the thread if ...
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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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1answer
30 views

Lightning?full node question

I'm running a full node as well as a Lightning Node with 4 channels open. I also have incoming ports enabled. I've noticed that my balance varies daily by a few thousand Sats. I'm new to running a ...
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1answer
47 views

Any privacy considerations regarding allowing inbound connections for a Tor full node?

I wanted to know if there's any privacy considerations to take into account when opening the bitcoin ports on the router for a bitcoin node. I'm using -onlynet=onion in the bitcoin.conf file and I ...
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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?
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2answers
141 views

Bitnodes for node on testnet

I have used the bitnode's own script to install a full node on an Ubuntu 16.04 Digitalocean droplet. I can verify that my node is up and running by checking the IP with port 8333 on Bitnode's check ...
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1answer
46 views

Is backward syncing viable for full nodes?

Currently, Every Bitcoin Core full node has to download the whole blockchain at least once. This situation is even worse if pruning is enabled - the user has to download the whole gigantic blockchain ...
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1answer
63 views

can not access via RPC to litecoin node

I set up a litecoin full node in AWS. I opened ports 22, 80 and 9332. Also from my laptop I cloned this project https://github.com/janoside/btc-rpc-explorer I executed on my local but unfortunately I ...
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2answers
286 views

Running lightning in prune mode

I am running lightning with the LND implementation and a full node. Nevertheless, I heard that it is possible to use Lighting in pruned mode. How is this possible? I read in the LND install ...
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2answers
43 views

Each full node has different mempool?

I don't understand if each full node has different mempool inside. With RPC command getblocktemplate I can Get the information about candidate block. I can Find all transaction verified but ...
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2answers
38 views

Bitcoin core full node - Should i choose my peers or it's fine to use the hardcoded ones?

Pretty much the title, i have a full node v 0.17.1 running 12-14 hrs/day and i was wondering if is helpfull, for privacy or for whatever reason, to add peers (maybe from https://bitnodes.earn.com/...
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1answer
82 views

Is the idea of fraud proofs possible in reality?

I once read this on Twitter, which is said by Luke Dashjr, a Core dev: The original design was to have full nodes create proofs of invalid blocks, to alert SPV nodes to them. SPV nodes would then ...
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2answers
35 views

Would bitcoin core work on a big endian system? Or even a system where C++'s `int` is not 32-bit?

Looking at the source code of bitcoin core, the serialization part, I see that there's no serialization abstraction layer that accounts for a possible different endianness or different binary layouts ...
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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 ...
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4answers
175 views

Can non mining full nodes prevent 51% attack? Does it actually strengthen the network? I am confused of its real purpose

From what I understand, miners secure the bitcoin network by making it very-very expensive to do a 51% attack or double spend bitcoins through the sheer amount of hash power needed to overwhelm the ...
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1answer
55 views

EXCEPTION: 15dbwrapper_error

I'm running Bitcoind 0.17 on a raspberry Pi 3. Everything ran smoothly until I did something wrong (I guess) but can't figure out what happened. Now I got this error. Has someone experience with this ...
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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 ...
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2answers
60 views

Networking in cryptocurrency

I am learning and trying to implement my own cryptocurrency and I am thinking about how could I achieve the peer to peer connections. I read that bitcoin is using DNS seeds for discovering users. In ...
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1answer
26 views

Why lightweight nodes are less secure?

as you know there is two main type of wallets: full node and light node I've read in some advice that just using full node for more security stuff and the next question is what is the type of ...
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2answers
177 views

Set up a Bitcoin full node: static or dynamic IP address?

I am trying to set up a new Bitcoin full node and my institution ISP is trying hard to not give me a static IP address for this purpose. I guess because of the concern that the node will be DDoSed, ...
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1answer
127 views

My node is not showing on Bitnodes

I have a 0.16.3 Bitcoin Core wallet running. I have incoming transactions allowed and I have lots of incoming connections. However, I fail to see my node on the map of Bitnodes; it says it's ...
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1answer
44 views

What other lightning nodes are there besides Eclair Core for running a full node lightning?

I realized that in order to receive lightning payments from others, you need to first run a lightning full node. I found this one from Eclair: https://github.com/ACINQ/eclair Are there other full ...
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0answers
38 views

Looking for old bitcoin [duplicate]

I briefly ran a node on my Mac in mid to late 2012/early 2013, but didn't understand it at the time and let it go. Is it possible that I still have bitcoin on my computer from that installation, if so,...
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0answers
18 views

Setting up node, no connection when announce ip address to peers

I want to announce my host name when running node. When I set nxt.myAddress=hostname or IPaddress, there are no connection to peers. But when I keep it empty everything is fine.
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1answer
339 views

Need to access remote bitcoin node for Lightning

I am running a full node on a static IP and I can open up whatever ports needed to communicate with that node. I need to figure out how to communicate with that full node remotely. I want to run an ...
2
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1answer
237 views

Full node vs lightning node

What is the difference between a full node and a lightning (network) node? If a lightning node, that is not a full node, opens a payment channel with another lightning node, how can the first peer ...
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1answer
67 views

VPS with 80 GB Space, can't download the whole blockchain?

I am using an application and WordPress that allows people to pay with Bitcoin in a small multi vendor marketplace for trading hobby items. The plugin that I'm using is recommending that I run a ...
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1answer
44 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?
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1answer
26 views

Extracting Bitcoin historical ticker data by setting up Bitcoin Node?

How do I extract the ticker data (historical values such as day price, day open, day close etc) by setting up a Bitcoin Node? Bitcoin Node is setup using Bitcore.io All blocks are syncing right now, ...
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1answer
53 views

Failing communication with Bitcoin node: Only one usage of each socket address (protocol/network address/port) is normally permitted

I use the cryptean's BitcoinLib to make RPC calls to a Bitcoin node on another computer. Seemingly at random, the connection fails and I get a System.Net.Sockets.SocketException with the error code ...
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1answer
47 views

How would you recommend parsing a private bitcoin core node with nodeJS?

I just need to parse a private node and lookup one bitcoin address and get all transactions going in or out of the address preferably using nodeJS within the last 200 or so blocks. Any recommendations?...