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.

76 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
3
votes
0answers
42 views

How to approach building a custom UTXO index on top of a full-node

I want to avoid physically importing addresses into a wallet. I want to write a UTXO indexing system on a per-address basis. I often wonder how a wallet can keep track of all of its addresses UTXOs, ...
3
votes
0answers
124 views

UTXO snapshots and history pruning

Is there a research, BIP proposal or simple discussion about possible improvement on the size required to run a full node and a way to shrink/prune the history of bitcoin and have fast sync? Let me ...
2
votes
2answers
79 views

% of full nodes running Bitcoin Core versus other node software

Is anybody able to tell me a credible source (for an article) that can show me the percentage of all bitcoin full nodes that are running Bitcoin Core (as opposed to other software)? I could not find ...
2
votes
1answer
72 views

Unable to use `blocks` and `chainstate` from external drive

I want to use data directory from a different location (external SSD) on a Windows machine. When I save the path for it in bitcoin.conf it still uses old data directory. How can I use datadir in ...
2
votes
3answers
158 views

What are the safe ways to connect to bitcoin network using tor?

One case that I remember when someone was unable to connect his bitcoin full node to the network because of censorship: https://twitter.com/TheBlueMatt/status/1161291626553270272 Matt suggested using ...
2
votes
0answers
37 views

New Node User Opening Channels Through Zap

I recently set up my first node and connected through Zap. I currently have one channel open which is funded on my local side and on the remote side for a small amount. I was told that my node is not ...
2
votes
0answers
203 views

Was the first full node IP address Satoshi's and how did shim hide it?

It is not surprising that people assume Satoshi used ToR when scouring the internets however if my understanding is correct in order for someone to run a full node they need to provide their IP ...
2
votes
1answer
263 views

Local balance query for Bitcoin address

I would like to be able to query the balance of an address (not belonging to me). The data should come from a fully synced bitcoin full node inside the local LAN and I do not want to query any api ...
2
votes
1answer
445 views

How does 1ML measure the availability ranking of nodes?

If there is an 1ML Node Rank ranking explanation anywhere ? My node is online 99.9% but "Availability" dropped down from 700 to 4000 in last 3 months. :( I guess this is somehow associated with the ...
2
votes
1answer
323 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 ...
1
vote
1answer
51 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 ...
1
vote
0answers
83 views

Dandelion++ for Bitcoin

Dandelion BIP: https://github.com/bitcoin/bips/blob/master/bip-0156.mediawiki The article that I read about Dandelion++: https://www.monerooutreach.org/stories/dandelion.html It mentioned that ...
1
vote
0answers
35 views

Was bitcoin peer to peer network affected because of the recent BGP hijack incident?

Can someone ELI5 BGP hijacking, impact on Bitcoin, countermeasures and if there were any issues because of the recent incident? Related links: https://twitter.com/ProtonMail/status/1311013829514539011 ...
1
vote
1answer
57 views

Bitcoin P2P API getBlocks always returns 500 inv items

I'm trying to build a mini full node so that I can understand exactly how they operate. I've managed to get a few parts of the P2P api working however I am stuck with basic things like 'getblocks' and ...
1
vote
2answers
106 views

can i run a full node on a laptop without a 3rd party router?

i am using verizon fios and have attemped to connect to full node. verizon said that i can n0t do it on their router and would need to purchase a 3rd party router and daisy chain to theirs. Any ...
1
vote
0answers
33 views

How often does a node connect to a random node?

I'm trying to understand the likelihood that a node would connect to a sybil attacker, and the critical piece to this that I don't understand is: how often does a bitcoin node connect to a random node ...
1
vote
0answers
83 views

Does Electrum reveal a wallets public key to Electrum Servers?

When Electrum Bitcoin wallet queries a random Electrum Server does it send the public key to the server or does it send a batch of addresses to check? For instance, after setting up Electrum Personal ...
1
vote
0answers
87 views

Can't inititate network handshake with my full node

I am running a custom Python script to initiate network handshakes with other nodes. While testing the code I decided to initiate an handshake with my own node but I am getting a timeout error. ...
1
vote
1answer
119 views

Bcoin initial blockchain sync progress isn't saved

I'm using bcoin and it's class FullNode to run a full Bitcoin Node. Here's the configuration: const node = new bcoin.FullNode({ prefix: '/mnt/d/bcoin', network: 'testnet', ...
1
vote
1answer
262 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 ...
1
vote
1answer
271 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 ...
1
vote
2answers
187 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 ...
1
vote
2answers
466 views

Bitcoind gui client, wallet client with peer preference, node manager

first time user here so politely point out any thing I have done wrong. I am looking for three things, but first let me explain the situation and use case: I am using bitcond full node on a headless ...
1
vote
0answers
82 views

Are there drawbacks to running a node on a cloud provider because of the limit of unique nodes connected per-subnet?

I currently have a full node running on Digital Ocean and have come across this old post on bitcoin talk that states that -- Outbound Random Selection -- First the code puts the addresses into a.b.c.*...
1
vote
0answers
169 views

Share blockchain data between bitcoin-core and btc-1

I am currently running a BTC-1 node and would like to setup an additional core node before the November fork. Ideally, I would avoid the need to resync the entire blockchain again. Is it possible for ...
1
vote
0answers
311 views

Why isn't my full node accepting incoming connections from other nodes?

I have a full node on a Gentoo box. I have port forwarding on my router setup so that port 8333 is sent to the IP of my full node. I opened port 8333 on the machine using: iptables -A INPUT -p TCP --...
1
vote
0answers
453 views

Full Node Not Taking Incoming Connections

I set up an RPi3 with Bitcoin full node 13.2. It is running Raspbian the latest version and is up to date. My router has a static IP on the public internet. My RPi3 is behind NAT. I configured my ...
1
vote
0answers
596 views

How does bitcoin prevent tampering of blockchain?

Suppose C is starting bitcoin full node for the first time. C would have to download blockchain from some place. Could not this leave bitcoin susceptible for tampering? If blockchain stored in ...
1
vote
0answers
290 views

Bitcoin-qt requesting reindex on already indexed blockchain data directory

To save time, I synced the blockchain on my laptop for import to my Raspberry Pi node. I had set txindex=1. When setting txindex=1 on my Raspberry Pi and pointing the data directory to my previously ...
1
vote
0answers
157 views

How to upgrade my node with bitcoin wallet GUI from 0.11.2 to 0.12.1? Install qt V5.5?

i want update my RaspNode (rPi 2 B+) to the 0.12.1 but i want to use Bitcoin wallet GUI. So, it's necessary to install QT V 5.5... V 0.11.2 use QT 4.8, but 0.12.1 uses QT V 5.5 How to install QT V 5....
1
vote
0answers
99 views

running a full node on a network restricted to outbound connections on port 80 via proxy

Wanted to know if there is any way i can run a full node on a machine in a restricted LAN that can not exit outbound packets except to a specific proxy on port 80 ? (an answer requiring to use an ...
1
vote
1answer
211 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: ...
1
vote
3answers
3k views

Testnet Bitcoin Connection refused (111)

I have ah Raspberry and i will a BTC & Lightning node set up. my bitcoin.conf testnet=3 Bitcoind options server=1 daemon=1 txindex=1 disablewallet=1 Connection settings rpcuser=raspibolt ...
0
votes
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
votes
1answer
64 views

Multisig Setup - Pruned Bitcoin Core on Computer vs. Dedicated Hardware

Are there security implications of running a pruned Bitcoin Core node on a personal computer vs. a full Bitcoin Core node on a dedicated hardware device (i.e. Raspberry Pie with Umbrel, myNode, nodl, ...
0
votes
1answer
15 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 -...
0
votes
1answer
39 views

Can I see the workings (console) of my bitcoin full node?

I have just completed the IBD of my bitcoin full node on Bitcoin Core on Linux. When I open Bitcoin Core, i just get the basic wallet interface. It there anyway of seeing what the node is doing behind ...
0
votes
0answers
24 views

Connecting Ledger Nano X wallet to my Bitcoin node

I've been trying to connect my Ledger nano x to my bitcoin full node following this instructions by Ledger. I have configured the bitcoin.conf file as follows: prune=0 txindex=1 server=1 daemon=1 ...
0
votes
0answers
12 views

Computation expenses of syncing / getting a full node up and running, hardware considerations

Since a full node needs to process the entire block chain from the beginning and it keeps getting bigger this requires more computing resources over time. Does it seem more likely in the near future ...
0
votes
0answers
49 views

Bitcoin Core Security

Is there any site or resource where I can learn how to do security transactions while trading on bitcoin testnet
0
votes
0answers
41 views

How to configure Bitcoin core running on Whonix to receive inbounds

I'm running a bitcoin full node on Whonix. The problem is I get zero inbound connection (11 outbound). I know I can do port forwarding and open the desired port to receive inbound connections. Now, ...
0
votes
1answer
65 views

Quantifying the long term costs associated with self hosting the Bitcoin node?

In this question I discussed the option of self hosting the Bitcoin node vs. using 3rd party services with API access. I quoted a colleague who said that "for every coin we wish to support, we ...
0
votes
0answers
13 views

bitcoind -daemon command error

Im trying to open bitcoin core withthe command bitcoind -daemon My node is working perfectly with GUI But When trying to run bitcoind -daemon error: Could not connect to the server Make sure the ...
0
votes
2answers
140 views

Error: Prune mode is incompatible with -txindex

How do i remove this prune mode??
0
votes
1answer
45 views

Connect to custom bitcoind

I have a fully synchronized btc node on my network. Which mobile apps (android) and desktop apps can I use to connect to this node without running a full node/ daemon on the desktop or mobile? And how ...
0
votes
0answers
21 views

How to interact with bitcoin node and spend from wallets without storing said wallets on the said node it self?

I am working currently on a wallet for a customer the wallet will be provided to his website users and will hole cryptocurrency once of the coins he wants supported is BTC when I researched I didn't ...
0
votes
0answers
25 views

ElectrumX returning 0 balance

I have a running full bitcoin node (txindex=1). I also setup electrumx and it has fully synced with current blockchain state. Here's the log : INFO:LocalRPC:[2] RPC 127.0.0.1:44806, 0 total ...
0
votes
0answers
692 views

Error opening block database Full node

For some reason my node shutdown and now I get when restart it Error opening block database here my bitcoin.conf txindex=1 reindex=1 reindex-chainstate=1 # Accept command line and JSON-RPC ...
0
votes
0answers
25 views

Get 10 new addresses with a single request

Referring to the documentation: https://bitcoincore.org/en/doc/0.20.0/rpc/wallet/getnewaddress/ Using the example: curl --user myusername --data-binary '{"jsonrpc": "1.0", "id&...
0
votes
1answer
139 views

Configure Bitcoin full node in my local LAN

It is said that deploying a Bitcoin full node would protect the privacy of my Bitcoin addresses. If I configure a Bitcoin full node to be outbound only, would that be enough to protect me? Do i still ...