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Questions tagged [pruning]

Ability to avoid storing unnecessary data about prior transactions. For example one could use pruning to disable storing older transaction signatures on disk once they are verified. Archive nodes could be used to store the signatures disabled in the pruning branch.

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Will the upcoming Seraphis upgrade change anything with regard to the blockchain size and the pruning of the blockchain?

Will the upcoming Seraphis upgrade change anything with regard to the blockchain size and the pruning of the blockchain?
John Smith's user avatar
1 vote
1 answer
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What is the path to the blockchain for a pruned node in the GUI wallet?

I went to the advanced section for the GUI and set the path for the node as: nicholas@mordor:~$ nicholas@mordor:~$ ls -hal Monero/lmdb/ total 11G drwx------ 2 nicholas nicholas 4.0K Jun 5 00:47 . ...
Nicholas Saunders's user avatar
1 vote
1 answer
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Is the duration of pruning roughly proportional to the size of the data.mdb file?

I have the blockchain already downloaded. I stopped monerod and restarted it with a configuration file with prune-blockchain=true in it. I started monerod again and the last bit of output was: 2022-...
Dave Scotese's user avatar
1 vote
1 answer
309 views

Monero GUI - Is Daemon blocks remaining accurate when using --prune-blockchain?

When using the --prune-blockchain flag in the Monero GUI, the "Daemon blocks remaining" message still seems to start as the number of blocks in the full (unpruned) ledger. Is this normal? ...
Kevin Wheeler's user avatar
1 vote
1 answer
657 views

What is in ~/.bitmonero/lock.mdb? Is it needed to start syncing from a blockchain backup from another computer?

I plan on using monerod only for a couple of weeks a year with --prune-blockchain flag to keep the blockchain data below 20GB. In the meantime I will be reinstalling the operating system of the PC ...
John Smith's user avatar
0 votes
2 answers
309 views

monero-blockchain-prune is not showing when choose "show package contents" on monero-wallet-gui 0.16.03 on mac

Only shows the below - how can I run the pruning tool on mac without the utility being in the package? - I really need to get the blockchain database down in size. All posts say it should be in the ...
Mark's user avatar
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5 votes
1 answer
1k views

Pruning the Monero blockchain, a number question

According to this web https://web.getmonero.org/2019/02/01/pruning.html Why only 2/3 of the blockchain data can be pruned? 1/3 of the blockchain cannot be pruned. This pruning is not as efficient as ...
Cisco Mmu's user avatar
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4 votes
1 answer
541 views

What is the difference from monero-blockchain-prune-known-spent-data and monero-blockchain-prune commands?

I'm pruning my monero blockchain, but I see there are 2 commands: monero-blockchain-prune-known-spent-data monero-blockchain-prune What is the difference?
Patoshi パトシ's user avatar
1 vote
2 answers
327 views

Can one reduce the monero pruned blockchain further below 25gb?

Bitcoin core has the ability to prune its blockchain all the way down to 550MB, but monero after pruning is 25GB. Why can't monero also give users the ability to prune to an amount of our choosing?
Patoshi パトシ's user avatar
5 votes
2 answers
3k views

Where can I download the pruned Monero blockchain that is 25+ GB instead of the full blockchain

I'm looking to download the full pruned blockchain for Monero instead of syncing it and then pruning it. Where can I find this pruned monero blockchain file?
Patoshi パトシ's user avatar
13 votes
1 answer
26k views

How do I utilize blockchain pruning in the GUI (monero-wallet-gui)?

According to the release notes GUI v0.14.1.0 includes blockchain pruning. How do I utilize this feature with the GUI (monero-wallet-gui)?
dEBRUYNE's user avatar
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2 votes
1 answer
176 views

Getting "Error retrieving blocks, missed (#) transactions for block with hash" while running pruned node

I've been running a pruned node on a very low-end server ( <2GB of RAM), and monerod keeps spitting out lines like that every couple blocks. May be relevant, opening a wallet with the RPC throws ...
Dr-Bracket's user avatar
4 votes
2 answers
629 views

Can I copy my pruned blockchain .bitmonero folder to another computer and start syncing?

After pruning the monero blockchain, can I copy this pruned blockchain from the .bitmonero folder to another computer and just start syncing from there? What are some disadvantages of pruning the ...
Patoshi パトシ's user avatar
5 votes
1 answer
7k views

How to enable pruning in the command line of the monero blockchain in version v0.14.1?

Monero v0.14.1 has just been released with pruning. How does one activate it on the command line for ubuntu?
Patoshi パトシ's user avatar
2 votes
1 answer
146 views

Can known spent outputs be pruned?

In Monero's early history, many transactions did not include any decoys. It was extremely clear that these outputs were spent. Could Monero prune these known spent outputs? Here is an example ...
sgp's user avatar
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3 votes
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Is there a monero pruned blockchain mode like how bitcoin core has a pruned blockchain?

Monero's blockchain is almost 50GB as of March 2018 and my laptop doesn't have that much space to spare anymore. Is there a pruned version of the monero blockchain?
Patoshi パトシ's user avatar
2 votes
1 answer
356 views

What’s the difference between sharding and pruning?

In the context of blockchain size manageability, I have seen both the terms sharding and pruning mentioned. Sharding mostly for Monero, and pruning mostly for Aeon. What is the exact difference ...
dpzz's user avatar
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8 votes
1 answer
927 views

Size requirements for different "pieces" of a Monero transaction

What are the different pieces of a transaction that take up precious bytes on the blockchain (range proof, MLSAG, inputs, outputs, ECDH, keys, TX extra, other)? How much space do they take up (in ...
scoobybejesus's user avatar
2 votes
1 answer
396 views

Is it possible to reset the blockchain with a new genesis block for efficiency?

I am researching state prunning, and I saw here that AEON state prunning does helps a bit, with some issues though because of historical reasons (details in the link). Would it be possible to reset ...
Symeof's user avatar
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2 votes
1 answer
242 views

Where can I find the AEON pruning branch?

Very recently smooth_xmr said: You might try the experimental pruning branch, which has been updated to 0.9.7.1 (I don't have the link for the instructions, maybe someone else knows it?) The ...
cowboy4life's user avatar
2 votes
0 answers
106 views

BLS Signature Aggregation

Would signature aggregation as an alternative to pruning be possible / desirable with Monero? As far as I understand it, it's a way to compress hundreds of tx into a single hash.
Jack's user avatar
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4 votes
1 answer
135 views

Will it be possible to prune all non-RingCT outputs once we know they are all converted into RingCT outputs?

Inspired by this question, I realized that it's actually possible to know how much unspent non-RingCT outputs exist (although we cannot know which are unspent) by checking the total amount converted ...
kenshi84's user avatar
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9 votes
1 answer
1k views

What kind of pruning techniques does AEON use?

AEON has a pruning branch. What kind of pruning is it? Is it just like Bitcoin pruning, or is there more to it?
Christopher King's user avatar
11 votes
1 answer
459 views

Does Mimblewimble have any relevance to new pruning ideas for Monero?

This Mimblewimble paper was introduced last month by Tom Elvis Jedusor. It appears that the system will not work with Bitcoin (on chain) The first thing we need to do is remove Bitcoin Script. ...
Amadour Bernard's user avatar
11 votes
2 answers
457 views

Can Ring Confidential Transactions Range Proofs be pruned?

RingCT adds a set of range proofs to each transaction. Can these be pruned? Would there be a need for "full nodes" which retain these proofs? If so, why?
Alexde's user avatar
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9 votes
1 answer
75 views

Does the CONOP definition exclude pruning branches from its node definition?

Paul Sztorc in his post Measuring Decentralization defined CONOP as For this section, the cost of the option to create a full node will be referred to as the “cost of node-option” or “CONOP”. The ...
user22576's user avatar
  • 553
30 votes
4 answers
3k views

How much larger are Monero transactions compared to the average Bitcoin transaction?

We know that because of the way Monero's privacy works, transactions are larger than a Bitcoin one, but how much larger on average are they compared to Bitcoin transactions? How will this affect the ...
ferretinjapan's user avatar
15 votes
2 answers
2k views

Can the Monero block chain be pruned to increase scalability?

Can the Monero block chain be pruned to increase scalability? If so, exactly what data can and cannot be pruned?
Smart Kid's user avatar
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