Questions tagged [pruning]

For questions about Bitcoin Core's pruning feature.

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Connecting A Wallet To A Pruned Node

I've connected sparrow wallet to a pruned bitcoin node but all my utxos are not showing. I would imagine that since I haven't spent them and since pruned nodes still keep the entire bitcoin UTXO set, ...
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2answers
2k 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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1answer
37 views

Is it possible to forward signed transaction using bitcoind prune mode?

Summary: Is it possible to perform createrawtranscation , signrawtransaction and sendrawtransaction rpc call using bitcoin in prune mode? Detail : I want to implement an API that performs p2p BTC ...
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1answer
101 views

How could the Bitcoin protocol be modified so that pruned nodes could still participate in BIP 37 SPV?

According to Jameson Lopp (https://www.coindesk.com/spv-support-billion-bitcoin-users-sizing-scaling-claim/), allowing pruned nodes to advertise that they support BIP 37 would be impossible without "...
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2answers
429 views

Does running a pruned node support the syncing of other nodes in the network?

I decided to prune my Bitcoin core node to 25 GB. With the blocks that the node has in its data directory (the ones that were not deleted), does such a node support the syncing of other nodes in the ...
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3answers
2k views

What do pruning nodes contribute to the network?

Pruning nodes are described in the sourcecode thusly: -prune=<n>: Reduce storage requirements by pruning (deleting) old blocks. This mode is incompatible with -txindex and -rescan. I’ve ...
4
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1answer
1k views

What does "NODE_WITNESS (12)" mean as it is shown in bitnodes.21.co?

I'm running a pruned full node of bitcoin core version 0.14.0 and checking on https://bitnodes.21.co/nodes/ I can see that my node was labelled "NODE_WITNESS (12)" unlike of the others nodes shown, ...
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1answer
45 views

Does running full node in prune mode contribute to BTC network? [duplicate]

If I run current (v22.0.0) full node in prune mode will it contribute to the BTC network (better security, etc..)? In v11.x.x the relay was not working hence no contribution to the network at all (if ...
5
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1answer
170 views

Is Merkle tree pruning described in the whitepaper feasible/useful? If not, would there be any alternative?

When I was reading bitcoin-paper-errata-and-details.md written by David A. Harding, I realized that there's probably a common misunderstanding or over-simplification about Merkle tree pruning. What ...
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1answer
126 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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0answers
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Pruned Bitcoind Backend for LND with txindex enabled for version > v0.13.0

I'm looking to prune a bitcoind node that will be used by LND. https://github.com/lightningnetwork/lnd/commit/410b30b9caaf59a78a29d8b924e14395b7daa59d From the LND commit recently by Kixunil. Note ...
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2answers
68 views

Can Confidential Transaction in Liquid Network Blockchain be pruned

From a bitcoin full node, we can prune the blockchain from 350GB to 7GB (as of 30thJune2021) by storing the latest UTXO set plus maybe 120 latest block (for possible orphaning or block reorganization)....
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3answers
2k 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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2answers
113 views

Prune full node recovery after 1 month of inactivity

Alice is running a prune full node (around 7GB) of storage for prune node. It was working fine Due to power outrages, Alice prune full node was shutdown for 1 month. can this full prune node recover ...
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0answers
51 views

Can you prune blockchain without redownloading?

I've downloaded the whole blockchain now I want to run a pruned node on another device. But if I klick on prune block storage in bitcoin core, it tells me that reverting this setting requres re-...
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2answers
135 views

Download the blockchain starting with a specific date

I am in the process of setting up lnd on a separate computer. The computer has less than 200GB available and the actual blockchain is more than 220GB, so I am gonna need to use pruned mode. What I ...
4
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1answer
159 views

How big would the transaction history be if all spent transactions were pruned?

If the transaction history's Merkle tree were pruned to remove all transactions that have been completely spent, what would be the size of the transaction history in comparison to its current size? (...
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1answer
343 views

Does pruning affect a node's security or consensus ability?

An SPV node certainly is a compromise of security because the full set of consensus rules are not verified by the node (for example block size or subsidy rules). A pruned node seems like a win-win, ...
3
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1answer
119 views

If there are a significant number of pruned nodes on the network will it impact network security?

The size of the Bitcoin blockchain is reaching 350 MB and adding more than 60GB per year. I feel verification node centralization a risk if the cost of storage does not drop. My question 1: Is using ...
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3answers
992 views

How can I import a private key into a pruned node?

I am trying to restore my Bitcoin Core wallet, but I only have the private key and passphrase, I don't have a wallet.dat file. I tried using importprivkey privatekey xxxxxxxxxxxxxxxxxxxx which gave ...
2
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1answer
66 views

Is it possible to increase the prune size and get bitcoind to pull previous blocks?

for example, currently its: "size_on_disk": 32084546902, "pruned": true, "pruneheight": 650668, "automatic_pruning": true, "prune_target_size&...
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1answer
3k views

How is the ledger stored on every node?

I read different sourcing claiming the size of the blockchain for bitcoin. Some says it's 8GB, some a 100GB and some 800GB. Now I'm wondering do all the miners computers (nodes) have to store it ...
4
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1answer
370 views

If pruning is so safe, why aren't 100% of the Bitcoin nodes pruning? Why keep the unnecessary data?

I have a fully synced, non-pruned Bitcoin Core on this computer. I have an almost-fully synced, pruned Bitcoin Core on another computer. What exactly is the motivation for keeping those 368.5 GB of &...
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2answers
239 views

Retrieving Old Transaction in Bitcoin Core's console -getrawtransactions returns "no such mempool transaction" error

I'm new to running a full bitcoin node. After almost a week I could download the entire blockchain. My computer is running 24/7 to support the cause. When I tried to verify some old transactions that ...
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1answer
2k views

Pruning Blockchain, what does it remove?

I am trying to determine if I want to prune but I'm trying to figure out if it would interfere with anything. Would it interfere with rpc calls to show info on a transaction/block? A full explorer? ...
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1answer
311 views

Can I use blockfilterindex in pruned mode?

I run a node in pruned mode. I want to enable blockfilterindex. What I expected the node to do was: start downloading blocks from the very beginning; create the block filter as it goes through the ...
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29 views

How can I install Bitcoin Core without having a 350GB harddrive? [duplicate]

I would like to run Bitcoin Core on my laptop with approx 100 Gb of HDD available. From the installation instructions I understand that a full node must initially download the full approx. 350 Gb ...
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2answers
79 views

Shutdown bitcoin-qt during reindexing?

I started bitcoin-qt with --reindex and pruning on. Can I safely shutdown and restart? If yes how? Do I have to pass --reindex again or will bitcoin-qt remember and continue from where it stopped?
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1answer
70 views

Can pruned nodes perform fee estimation?

The fee estimation in Bitcoin Core is based on the previous blocks. Since the minimum pruning size for pruned nodes is 550 MB, a pruned node may actually not have the last 1,000 blocks, which is the ...
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1answer
198 views

Do I need a Bitcoin full node in order to use BTC RPC Explorer?

I'm thinking of using https://github.com/janoside/btc-rpc-explorer as my json explorer, but I run a pruned bitcoin node. Will this cause issues when running btc-rpc-explorer if I wanted to query old ...
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1answer
319 views

What is the current size of txindex folder when txindex=1 set? [duplicate]

Due to reputation limitations, I cannot ask for an update on this question: How much extra disk space does txindex=1 require? What is the current size of the txindex folder when txindex=1 is set in ...
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1answer
50 views

Receiving transactions in prune mode

I am new to Bitcoin. I have downloaded the whole blockchain but I still can't access my wallets because I get a popup telling me to use prune mode. My question is: I know that I have received ...
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0answers
90 views

How to make pruned node download an arbitrary block?

I want to importprunedfunds for addresses related to the wallet (with the help of scantxoutset) on a pruned node. The problem is raw transactions are needed for this. I found there were some attempts ...
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0answers
374 views

Pruning Blockstore has been running for days

After activating the core (Testnet - Pruned) with the command bitcoin-qt i received the following error: Corrupt Block Database I restarted the synchronization always using the Pruned mode. The core ...
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0answers
34 views

How can I seamlessly extend disk for bitcoin-core full node?

I'm running a bitcoin-core full node and serve customers wallet service (e.g. creating a wallet, sending tx). I set the chain data disk size to 400GB when first setting the node up and the disk is ...
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2answers
1k views

Do you have to download the entire bitcoin blockchain for bitcoin core pruned mode to take effect?

I've read that you need to download the entire bitcoin blockchain before you can set it to bitcoin core pruned mode to reduce space. But what if I don't have 100gb+ free on my hard drive? Is there a "...
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3answers
2k views

Size of the blockchain after pruning

What is the size of the blockchain stored on a user harddrive after pruning has occurred?
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4answers
2k views

Keeping old blocks on an external hard drive and latest blocks on an SSD

I would like to keep the latest 512 MB of blocks on my SSD (using pruning?) and the rest of the blockchain on an external non-SSD hard-drive. Is there a way to do this already, or do I need to write a ...
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2answers
1k views

Understanding SPV, pruning and its downsides, as well

First of all, sorry by not asking an objective question, it's because I can't resume this one and I didn't find information even in the "mastering bitcoin" book. The large texts in this question are ...
3
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1answer
324 views

Downloading the pruned blockchain file directly from external source

Using the bitcoin client to have a pruned version of the blockchain can take a lot of time, I was wondering what would be the drawback to simply download an already pruned bitcoin blockchain file from ...
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1answer
194 views

Is it possible to skip verification of blockchain data when using bitcoin core?

Because I need bitcoin core client only for JSON-RPC requests. Will I need pruned initialization or normal initialization of bitcoin core client for successfully running such requests? (I guess client ...
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1answer
169 views

Bitcoin core v0.19.0.1 automatically prunes. I keep loosing the blockchain. How can I stop this?

Bitcoin core v0.19.0.1 automatically prunes. I keep loosing the blockchain. How can I stop this? I went into preferences and I de-selected the pruning. I also added the line prune=0 to bitcoin.conf. ...
2
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1answer
166 views

Bitcoin core v0.19.0.1 automatically prunes?

Just finished syncing the whole blockchain after days and I realize the bitcoin settings were "pruning", which means I cannot use it as a wallet. is it the normal behavior of bitcoin core v0.19.0.1 ...
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1answer
316 views

Bitcoin full node - how to run a pruned node, explaining pruning?

can you explain please how I can run a "pruned" node instead of storing all 300GB of data? Is there a difference how you turn your btc client into "pruning" mode among the different clients, bitcoin ...
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204 views

How can I use backup up chain data from pruned node to set up (archivial) node without IBD?

My setup is an old (~2012) laptop + small SSD and a NAS with HDDs. I noticed that trying to sync Bitcoin Core (v0.18) on the NAS was slow, but on SSD was very fast. (Everything is connected via ...
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1answer
50 views

Syncing blockchain with prune enabled

I'm syncing a node with prune enabled. Will it download the whole blockchain and then prune to my given settings after, or does it prune as it syncs? I'm currently 34.85% synced Blockchain directory ...
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1answer
2k views

How to import address to a wallet which runs in pruned mode [closed]

I am running Bitcoin Cash node with prune=99000 mode enabled. So, I tried to import addresses of BCH from another BCH wallet by using importprivkey method and I am getting an error: Rescan is disabled ...
4
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1answer
317 views

Why is 550 (MiB) chosen for minimum storage size for prune mode?

As you know Bitcoind can run in pruned mode, thus not advertising blocks to other nodes. Even though it has some drawbacks, saving you storage space isn't a benefit you can ignore. My question is ...
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2answers
240 views

Background information on warning, when closing wallet in pruned mode

What are the implications and reasons behind this warning on gui popup, when closing the wallet: "bitcoin closing the wallet for too long can result in having to resync the entire chain if ...
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2answers
539 views

How to make bitcoin-qt respect -prune?

I'm using Bitcoin Core 0.18.0-rc2 (64-bit) on Qt 5.9.7. How can I make it respect -prune=550? This is the minimum prune number, and should be approximately 550 MB. Yet, my client is downloading ...