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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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1answer
91 views

Force Closing a BTC lightning channel on Umbrel

I requested to close a lightning channel on my Umbrel node. Sometimes this is a quick process. And other times it takes days. It's been like 2 days now that a lightning channel with peer "...
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58 views

Open-source forensic analysis tools to analyze full-node's local copy of Bitcoin blockchain?

Are there any open source alternatives to Chainalysis Reactor for doing forensic analysis of a local copy of the full Bitcoin blockchain?
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49 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, ...
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1answer
76 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 ...
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107 views

Should I use Electrum Wallet OR Bitcoin Core as my website's payment gateway?

I'm a developer who is building a website that need to process Bitcoin payment requests. So I need a payment gateway. In my last project, I used Electrum wallet as payment gateway but my last ...
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255 views
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158 views

Do nodes or miners have ids

Do bitcoin nodes or miners have ids that can be used to identify them. Like how do we know if it is the same miner that has added several blocks consecutively? Or how can I identify a node uniquely?
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54 views

How to secure bitcoin node (bitcoind) that is used only to broadcast transaction?

I always wanted to run a bitcoin node at home. But I always worry because it is related with bitcoin (BTC has value). I have been broadcasting my transaction using Bluewallet by scanning qr code, or ...
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1answer
35 views

Is it possible that most validating nodes are dishonest nodes?

I know that if mining nodes are dishonest, they try to double spend. Then if there are many dishonest validator nodes(not mining, but only validating transactions and blocks) on the blockchain network,...
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213 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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34 views

Copy data from full node to a new pruned node to sync faster

I already have a full node synced with blocks and chainstate folder, however i wanted to run a pruned node, is there a way to copy the blocks or chainstate folder to make the initial sync of the ...
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40 views

Verify everything is functioning in my full node

This is a newbie question, sorry. I recently bought Bitcoin and thought I would do something to support the system that I have invested money in. So I bought the hardware to run a full node. I just ...
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1answer
567 views

Cannot open dump wallet file (code-8)

Is anybody familiar with this problem using btc qt debug console? Would like to dump wallet and sweep into electrum.
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147 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 ...
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2answers
498 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 ...
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1answer
888 views

Running a bitcoind docker

Thanks to the bitcoin.stack community I have successfully launched a bitcoind docker with an external volume which has the block data Currently its in 100% sync but I am facing an issue to get ...
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1answer
167 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?...
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125 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 ...
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1answer
359 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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0answers
15 views

submit unconfirmed transaction use submitblock and collect fees [duplicate]

for make unconfirmed transaction at blockchain more faster confirmed, i myself using bitcoin core full node, how about if use submitblock command for make transaction quickly confirmed? also from ...
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1answer
129 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', ...
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150 views

How to accept bitcoin and giving each user a unique address amd automatic withdrawal

I want to create a website when users on singing up will get a unique address and after getting my websites service,they can withdrawal the money also automatically. Is that bitcoin integration free ? ...
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3answers
1k views

What is the meaning of the term "full-node"?

There seem to be some different interpretations of what the term "full-node" implies. E.g. there seems to be some disagreement whether a pruned node is still a full-node. So: What characteristics ...
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1answer
85 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 ...
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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 ...
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33 views

How to get the raw transaction on my node with txindexset to 1?

Whenever I try to get a raw transaction I get an error: ubuntu@btc:~$ bitcoin-cli getrawtransaction 2157b554dcfda405233906e461ee593875ae4b1b97615872db6a25130ecc1dd6 error code: -5 error message: No ...
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1answer
279 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 ...
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37 views

SPV wallet connecting to personal bitcoin node

I have decided I want to run a bitcoin node both to support the network, learn more about how it works and also so I can participate while minimising trust in external parties. I have a bitcoin core ...
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3answers
204 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 ...
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23 views

If I plug a node into another computer does it have to reindex?

imagine you have a Bitcoin Core node synced 100% working fine, its installed in a portable SSD on your laptop. If you want to use this SSD on your desktop, will it boot normally or will it go throught ...
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1answer
111 views

Electrum-personal-server isn't seeing any historical transactions; using a Trezor

I followed the instructions in the Electrum Personal Server guide. I know that the transactions are there because I checked wallet.trezor.io. But none are showing up in Electrum. I have run --rescan. ...
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2answers
139 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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1answer
330 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 ...
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30 views

Are all blocks stored in one file or is every block stored in an individual file? [duplicate]

I couldn't find an answer to that. So, are blocks stored in one or multiple files and in which file format?
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25 views

I am working on a Bitcoin HD Wallet implementation in C#, Trying to build a HD Wallet offline for subscribed users following BIP44

I am working on a Bitcoin HD Wallet implementation in C#, Trying to build a HD Wallet offline for subscribed users following BIP44. Is there a way use a remote node for looking at the Received ...
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1answer
74 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 ...
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79 views

Bitcoin Merkle/Hash Tree implementation in Java

I'm learning about how full nodes can send a Merkle root + a list of hashes, so that a light client can verify a transaction. I couldn't find any good resources on how to implement it. I just knew ...
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1answer
119 views

Does Bitcoin Core have/need an archive mode?

Similar to Ethereum's Archive Node: Stores everything kept in the full node and builds an archive of historical states. Needed if you want to query something like an account balance at block #4,000,...
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1answer
45 views

Noob question: Why is there not a limit of the number of blocks in a chain revision?

I have a noob idea and I want to understand where I'm going wrong :) Say nodes agreed on a block revision limit, say, 6. This would mean that if they see an incoming chain that is longer than the ...
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1answer
540 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 ...
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2answers
73 views

What is the best practice for listening to payments on the RPC api?

I have a docker instance running a bitcoin node and would like to listen to deposits, generating a new address each time a user requests to deposit then increment the users account balance on success.
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2answers
1k views

Is an SSD required to run a bitcoin full node and a lightning node?

To run a full node and lightning node, I always read that people should use SSDs. Is that really required? And why is that? It's a slowly growing blockchain after all. I would have everything for an ...
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1answer
54 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 ...
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2answers
749 views

Bitcoin Core uploads much more than it downloads

Since Bitcoin is a peer-to-peer network of mostly identical clients, I would expect each node to upload about as much as it downloads. So I was surprised to see that my Bitcoin Core node has (since ...
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2answers
88 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 ...
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323 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 "...
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1answer
59 views

I have to move homes, so my Bitcoin/Lightning node will be offline for around 1 day

I have to move homes, so my Bitcoin/Lightning node will be offline for around 1 day. What happens in this case to my Lightning channel? Will I be penalised for being offline by the system? How should ...
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2answers
82 views

Where does a full node get the blockchain from for Initial Block Download?

I understand that a full node needs to do an IBD before being able to verify transactions. So, it downloads the ledger up to now, which is known as Initial Block Download. But what I don't understand/...
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38 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
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1answer
71 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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