Questions tagged [blockchain]
A distributed ledger of all transactions both past and present, without revealing who the funds came from or went to.
226
questions
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3
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How can I use Monero RPC via Python
As documented in
https://ww.getmonero.org/resources/developer-guides/daemon-rpc.html
and
https://ww.getmonero.org/resources/developer-guides/wallet-rpc.html,
Monero can be used programmatically using ...
1
vote
2
answers
385
views
How can I create a million blocks in regtest or testnet?
Can anyone please tell me how to create a million blocks in regtest or testnet mode? Is there a way other than to start mining with the smallest difficulty?
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0
answers
47
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Stable coin on Tari?
Is it possible to create stable coin like DAI (Ethereum netowrk) on Tari layer? Stable coin on anonymous blockchain would be game changer!
0
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1
answer
169
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Are there any neat tricks to enable SPV like functionality for Monero?
I think one of the biggest things holding Monero back from a user experience standpoint is the need for every user to download a large subset of information each time they want to check their balance. ...
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?
...
1
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1
answer
68
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At what dates did the Monero blockchain version update?
I want to download the v1 and v2 versions of the Monero blockchain for experimental purposes, but since I don't know when the blockchain upgraded from v1 -> v2 and v2 -> v3, I don't know which node ...
2
votes
1
answer
63
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Where and how to start to understand Monero?
I'm a newbie and I would like to know more about Monero and the technology behind it.
What is a good starting point to learn more about Monero? Website, wikis, books?
Thank you so much for answers.
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0
answers
72
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Monero GUI is unable to finish the synchronization
The Monero GUI (updated) suddenly stopped synching and stuck on the last 30 blocks or so.
Here the log: https://paste.fedoraproject.org/paste/uguNJ3qVqHmdvFvpc-vyOQ
What can I do to solve this ...
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1
answer
84
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What is the block height from which RingCT was implemented?
Can we know the block height from which the ring signatures were implemented. Because i read few blocks which are pre-ring signature blocks where I see there are ring members repeating for a single ...
0
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1
answer
57
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Can an output public key appear more than once in the blockchain
The output public key 9b2e4c0281c0b02e7c53291a94d1d0cbff8883f8024f5142ee494ffbbd088071 appears in the the following blocks:
https://moneroblocks.info/search/...
0
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1
answer
197
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Go or Rust library to use Monero
Is there any library for Go (Golang) or Rust that I can use in order to generate the key pair, manually build a transaction, sign it and broadcast it to a remote node?
I searched GitHub and either ...
1
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1
answer
166
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How does the miner know the public key for the signature in the block?
When a block is being processed by the miner he has to verify the signature by using the public key. How does the miner know about this public key?
Is it included in the block data?
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1
answer
178
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Global index of output
Can anyone please tell me, is there a way to find out the future global index of the output that is currently in the tx pool?
0
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1
answer
67
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Questions about tx_description field in URI
In the Monero URI, is the tx_description stored on the blockchain? If so, is it encrypted? What is the maximum length of this field?
1
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1
answer
121
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We are quite new into Cryptonote technology! We are looking for a web wallet!
https://github.com/mybtcfx/4xbitcoin
This is our coin based on CryptoNote.
We have made our coin and started mining as well. We have also worked onto our block explorer !!
Now ae are looking toward ...
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1
answer
119
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When does validation of blocks occur
At what point does a miner validate blocks shared and created by other miners on the blockchain?
3
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1
answer
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Monero blockchain size requirements
I am thinking of running a local node, and I was wondering how much space is needed.
I know that the current blockchain size is less than 50G.
I heard that implementing bulletproofs will ...
3
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2
answers
141
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Is there a way to make a public message where anyone can see on the monero blockchain using payment ID?
I'm assuming payment IDs are viewable publicly. Is there a way to encode an ASCII message in the payment ID and make it viewable publicly on the blockchain?
3
votes
1
answer
479
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How to check balance of monero paper wallet from nodejs?
I'm taking address and viewkey as input then want to return its balance in my expressjs project. How to call monero blockchain from nodejs for checking balance of any paper wallet?
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1
answer
45
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What do I need to change/add in order to add a field to the block struct?
I'm trying to add a field to the block struct, and want it to be serialized just like the miner_tx and the tx_hashes (like FIELD(new_field)), because the block parsing is failing for me with my code ("...
0
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2
answers
23
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Do all blocks that end up in the main chain pass through handle_block_to_main_chain at some point?
Do all blocks that end up in the main chain pass through handle_block_to_main_chain at some point (even during reorgs?)
2
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4
answers
344
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How can I check if a transaction is mined into the blockchain?
How can I check if a transaction is mined into the blockchain ?
How much time does it take for this if the transaction is less then 1000$ ?
3
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1
answer
178
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How to buy monero for cash?
How to buy monero for cash ?
I meet with the seller, then give him cash and send him my wallet address using some messenger. Then he using a laptop or smartphone send xmr to my address. How much time ...
2
votes
0
answers
3k
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Torsocks server failure when running monerod with Tor on Tails
I'm trying to run the Monero daemon (monerod) v. 0.12.2.0 with Tor on Tails 3.7.1.
I'm doing exactly what is written here: Medium - Sheep’s Noob guide to Monero GUI in Tails 3.2. Basically:
Download ...
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vote
1
answer
331
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Monero blockchain explorer compilation not working ubuntu 16.04
Hi I am working on monero blockchain explorer, Trying to work with this git repo. I have tried too many times but unfortunately couldn't get success yet. Right now I am facing this error.
CMake ...
0
votes
1
answer
107
views
Monerod finished syncing but now never catches up in GUI wallet, monerod still syncing
I'm using Windows 7, 64 bit, on a crummy burner laptop.
So monerod finally finished syncing last week and I followed advice here and opened the GUI wallet, it was all syncing together as it should but ...
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vote
1
answer
199
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Why are there transactions in the Mempool that are invalid or over 50 hours old?
Checking xmrchain.net I noticed some very old transactions in the mempool. The oldest is over 70 hours old. It has a ringsize of 5 - how is that even possible?
Are transactions not validated before ...
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1
answer
45
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Can you only allow certain miners on a cryptonote blockchain?
I am creating my own Cryptonote coin for a specific, business need. Can I only allow certain IPs to mine on it?
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0
answers
29
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Orderd Monero before update [duplicate]
I bought monero before the update. And did not receive them. After i updated the wallet gui they still didnt appear. What can i do?
If theres somene german speaking please explain it to me in german. ...
1
vote
1
answer
6k
views
Where can I download the entire Monero blockchain in one shot?
Monero syncing via the daemon can take days/weeks. Where can I download the entire 50GB+ monero blockchain from a fast connection?
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1
answer
100
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Which is the more reliable coin after April 2018 network upgrade?
As far I understand monero is now divided as monero and monero classic/original/0 . So which is the more reliable coin?
I do have a linux node in which an old version of monerod was installed. To ...
2
votes
1
answer
156
views
What is the block header's minor_version for?
Minor version is one of the 5 fields in Monero block headers.
The answer here What is the format of a block in the Monero Blockchain? says
"uint8_t minor_version; // now used as a voting mechanism, ...
0
votes
1
answer
120
views
Where to find the Monero blockchain by itself?
as many of you know it takes a huge amount of time to sync-up to a full Monero node. So what I want to do is download the blockchain(or at least most of it) so it is much quicker; and then point that ...
1
vote
0
answers
481
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blockheight unconfirmed
I'm using the new GUI and made a deposit on it from an exchange.
32 hours ago it was approved from the exchange. Since then i'm waiting to see the amount on my wallet. I can see it in the history, but ...
5
votes
1
answer
1k
views
Does using a remote node provide risks to anonymity?
If I were to use a remote node for monero GUI (latest version), would I risk privacy issues? If so, what can be done to minimize these issues? Thanks in advance.
8
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1
answer
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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'".
2
votes
1
answer
136
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Do I need to redownload the Aeon blockchain for the rebased software?
I have a legacy v0.9.14.0 aeond running, fully synchronized. When I install the rebased software, will I need to redownload the Aeon blockchain from scratch, or can I convert the existing blockchain ...
4
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1
answer
6k
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Which directory does monero-blockchain-import, by default, use to store the imported blockchain?
I am not sure if this makes sense or not. I was using an old version of the Monero GUI and I was stuck at block 140001. I thought it was a sycning problem so I downloaded the raw blockchain from ...
2
votes
1
answer
352
views
Where can I find the POW hash of blocks?
I want to find the POW hashes of each block, which start with or end with many zeros.
This answer showed an example of the POW hash.
I tried many blockchain explorers and didn't find any one with ...
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vote
0
answers
60
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Why have i lost my monero money? my wallet is fully synched and no sign of it [duplicate]
I sent monero to my monero wallet and hasn't appeared yet. I used a payment id even when I didnt have to. The money is nowwhere to befound. I located the blockchain height it is confirmed at 1,0523,...
2
votes
2
answers
176
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Duplicate output keys
Output keys are 256 bits public keys. They should be unique.
Are there any duplicate output keys ?
What happens if there is any ? Is it a double spend ?
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0
answers
110
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How can one check the blocks found on PPLNS pool, such as xmrpool.net?
I've been mining to xmrpool.net for a few months now. Their dashboard has had a couple of bugs but has otherwise been good. It used to average about 2 blocks found per day and now nothing for 6 days ...
1
vote
0
answers
44
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How fast can a 16 core threadripper rescan your monero address for an updated balance?
Does anyone know how fast a 16 core process threadripper rescan the monero blockchain for an updated balance for an address? Currently for a 2 core processor it takes a few hours for me.
I'm ...
3
votes
1
answer
396
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 ?
2
votes
1
answer
78
views
Distribution of number of inputs and ouputs per transaction over time
How does the distribution of the number of inputs/outputs looks like currently ?
How did it evolved ?
5
votes
1
answer
982
views
Possible lengths of Monero addresses?
I'm doing crude client-side verification of a form that includes an input for a Monero wallet. What are the possible lengths of an address? Are 106 and 95 the only possible lengths?
0
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0
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115
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Please check your wallet and daemon log for errors. You can also try to start monerod.exe manually [duplicate]
I send this amount around 40 days earlier but still not credited to beneficiary address.
Could you please tell me what is wrong with this transaction.?
2nd questions. # This address received 940.....
4
votes
4
answers
12k
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Best method of speeding up Monero downloading / syncing of the xmr blockchain?
My node is 8000 blocks behind, and its taking quite a while to sync. Is there a faster way to sync / download the Monero blockchain?
2
votes
1
answer
49
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Can you input the blockchain through remote web server?
So I am trying to import the blockchain onto my VPS, however, my VPS has a low amount of storage. I am hoping to import the blockchain using monero-blockchain-import, so is it possible to load this ...
2
votes
1
answer
670
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Monero setting up a testnet wallet in terminal, can't sync
I am currently running Ubuntu 16.04 server with monero-v0.11.1.0. I successfully downloaded the live chain without problem. When I tried to download the testnet chain I get over and over:
2018-01-...