Questions tagged [blockchain]
A distributed ledger of all transactions both past and present, without revealing who the funds came from or went to.
38
questions
17
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1
answer
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My blockchain is stuck, how do I "unstuck" it?
During the last few weeks a common, reoccurring, question seems to be how to get one's blockchain "unstuck". This guide will, hopefully, provide some assistance in doing so.
15
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2
answers
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What happened at block 202612?
Why was this block hardcoded in the source-code?
What happened with the Monero blockchain in the block 202612?
21
votes
2
answers
5k
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What is the format of a block in the Monero Blockchain?
What is in the header? How is the header made? What information about the transactions is present? What is prunable? What part of the block is used for the PoW?
29
votes
4
answers
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What is the fastest way to synchronize the daemon?
Running the daemon without any modifications can take a long time to synchronize. Are there any faster options for synchronizing the daemon with the network?
27
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3
answers
5k
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What are Fluffy Blocks?
I heard the term thrown around here and on Reddit, but I haven't found its definition anywhere. Could someone please clarify?
5
votes
1
answer
9k
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How to synchronize the GUI wallet using the blockchain bootstrap
I'm having trouble trying to sync the GUI wallet with the blockchain. I'm trying to use an old 2008 Macbook which I had lying around, with OS X El Capitan (HDD, 8gb RAM, 200gb free storage). I've ...
10
votes
1
answer
13k
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Transaction stuck as "pending" in monero-wallet-cli
A transaction I made a few hours ago is stuck as "pending", after sending via monero-wallet-cli. The transaction has not been picked up in a block yet.
I found this comment on Reddit by /u/...
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?
8
votes
2
answers
4k
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Blockchain properties: what are Height and Difficulty?
What are Height and Difficulty properties of Monero's blockchain?
8
votes
1
answer
718
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Is the Monero blockchain database portable between 32 and 64 bit architectures, and little/big endian architectures?
Monero uses LMDB for its database. Various data is saved in this database, including integers, such as the difficulty for a given block. LMDB is type agnostic, so does not any particular processing on ...
7
votes
2
answers
1k
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Monero Height at a standstill
My Height seems to be stuck here 335459/335459 (100.0%) on mainnet
But when I check the current height online it's 1289240
Could someone help me?
7
votes
1
answer
2k
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Are the LMDB files cross-platform compatible?
I would like to know if the LMDB files are cross-platform compatible, more specifically between macOS and Linux. I am trying to import a raw blockchain (that I exported yesterday on macOS) onto a ...
9
votes
2
answers
2k
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How do I prove that a payment has been sent to a particular address?
If I pay someone, and they then claim that the payment has not been received, how can I prove that the payment was in fact sent?
6
votes
2
answers
1k
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Can I set up the GUI or daemon to use a non-standard blockchain location in Windows?
In Windows, it's comfortable to double-click the link/icon to a program (as opposed to using the command line). The problem is that the default links/icons for the GUI or daemon (monerod) don't let ...
4
votes
2
answers
2k
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Is the raw Monero blockchain file different for Linux, Windows, or Mac?
Is the raw Monero blockchain file different for Linux, Windows, or Mac?
Where can I download it?
3
votes
1
answer
398
views
RPC method to translate key_offsets
This SE answer explains the "key_offsets".
Is there any RPC call to translate theses offsets to their matching outputs ?
3
votes
1
answer
988
views
How to backup the blockchain file?
How can I periodically backup the blockchain file, without copying the entire file (just the new data that was added since the last backup)?
I tried copying only the amount of bytes by which the ...
2
votes
1
answer
6k
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Download Monero Blockchain data and the official client
Is there a site where I can just download the entire monero blockchain instead of waiting for it to sync? And where do I get the official client?
0
votes
1
answer
15
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How to configure the daemon to use a remote node?
Two questions on using a remote node as below:
nicholas@mordor:~/monero4$
nicholas@mordor:~/monero4$ monero-wallet-cli --daemon-address node.moneroworld.com:18089
This is the command line monero ...
30
votes
4
answers
3k
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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 ...
16
votes
3
answers
2k
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Looking for an easy explanation about kovri
I still don't get what kovri actually is.
Can anyone provide an easy explanation?
I looked at YouTube for videos, but couldn't find any. Also other links didn't help.
Does anyone know a picture ...
13
votes
6
answers
9k
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Blockchain size on hard drive?
What is the current blockchain size in gigabytes and is there a service that regularly reports this statistic?
12
votes
1
answer
251
views
How much larger would a mixin=4 Monero transaction be compared to a Bitcoin transaction?
I've heard estimates ranging from 5-10 times bigger, but is it possible to come up with a more precise answer? By how much will this figure change after RingCT is implemented? What other factors might ...
11
votes
2
answers
5k
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How do I save the Monero blockchain to another hard drive?
I have a small SSD as my windows 7 C: drive. How can I transfer and save the Monero blockchain to another hard drive on my computer in order to save space?
11
votes
1
answer
732
views
Is it viable to attack Monero by artificially bloating blocks and make it harder to run a full node due to the increased blockchain burden?
A lot of small block proponents defend their stance by reasoning that an artificial cap is necessary to prevent spamming, and thus bloating the blockchain. How effective is Monero's mechanisms at ...
9
votes
3
answers
481
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Are criticisms of Monero's blockchain bloat substantiated? [closed]
One of the more seemingly legitimate criticisms of Monero is that the blockchain is susceptible to bloat due to its ring signatures. Are these criticisms valid, or do other coins have similar ...
8
votes
1
answer
3k
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Why does the option "--verify 0" for monero-blockchain-import not work?
When I use the command ./monero-blockchain-import --verify 0 --input-file ./blockchain.raw it says "Failed to parse arguments: unrecognised option '--verify'".
7
votes
1
answer
605
views
How is the block hash encoded?
How to compute block difficulty from a hash of that block?
In Bitcoin, I can see that block hash starts with a lot of zeros, but in Monero I don't understand how uniqueness of new block in represented ...
7
votes
1
answer
9k
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What are orphaned blocks?
I've heard the term "orphaned blocks" being tossed around here and on Reddit. Can someone please explain what orphaned blocks are and what happens to them?
6
votes
2
answers
200
views
How many total days are on the ledger?
Is there a tool or a source that tells how many total days are currently on the ledger? I know that monerod tells how many days behind you are on the ledger, but is there an easy way to look up the ...
5
votes
1
answer
396
views
As a miner how would I put data in the 'extra' field?
How would I be able to put data in the extra field for say a nonce or whatever?
5
votes
1
answer
235
views
I have the impression blockchain reorgs are more prevalent on testnet?
They also seem more significant if they happen, e.g. I just see REORGANIZE on height: 839127 of 839203 in the log file, which is quite a number of blocks. Can anyone comment whether these observations ...
3
votes
1
answer
5k
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Monero wallet doesn't connect to local daemon
I have a Monero daemon running on a Raspberry Pi connected to my LAN and it worked fine for sometimes, but lately, I'm unable to connect wallet from another PC to it.
When the issue has happened for ...
2
votes
1
answer
3k
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Monero Fork (Genesis Block)
I'm performing a Monero (XMR) fork, but I'm not sure how to generate a genesis block. Could you help me? Investigate a little and talk about a print parameter in the deamon, but that parameter no ...
2
votes
1
answer
6k
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Monero block reward schedule
Does the Monero block reward just decrease and I don't mean the transaction fee. Are there any specific dates of this when it will happen?
0
votes
1
answer
10
views
daemon error: Exception in main! Failed to initialize p2p server
following up with starting a recovered wallet:
nicholas@mordor:~$
nicholas@mordor:~$ monerod --prune-blockchain
2023-05-20 11:00:30.349 I Monero 'Oxygen Orion' (v0.17.2.0-unknown)
2023-05-20 11:00:30....
0
votes
1
answer
91
views
Monero fork: block creation time fluctuation
I am running a Monero fork(v7) for the past 4 days. I have set the block creation time as 2 minutes but sometimes the blockchain takes more than 30 minutes to create a block. Is this normal behavior?
...
0
votes
1
answer
18
views
Does each GUI wallet need to iterate the blockchain for transactions?
In context of:
How to complete synchronization through a remote node?
How to install the monero wallet GUI?
When the wallet GUI completes so that zero blocks remain, how much overlap is there with ...