All Questions

2
votes
1answer
49 views

Are Monero hashes generated based off of the block header?

Are miners generating POW hashes based off of the block header or is it just guess and check?
0
votes
1answer
985 views

What are the differences between Cryptonight-R and Cryptonight v4?

Monero is switching to Cryptonight variant 4 (CNv4) in March 2019. CNv4 is based on Cryptonight-R, with some modifications. What are these modifications ?
1
vote
2answers
63 views

Where can I find the transaction amount checking logic in the source code?

I'm a newbie to Monero. My question is how Monero does the amount checking logic (the input amount should be larger than the output amount in a transaction) when a node receives a raw transaction. I ...
0
votes
1answer
64 views

Daemon sync questions

I've been letting the daemon sync for a while now, a few days actually, and it's at 80% and now going very slowly forward. About 20 blocks at a time. I understand why this happens, but this case seems ...
1
vote
2answers
102 views

Who created the Monero ASICs during 2019-Jan to 2019-Mar?

Do we know who exactly created these ASICs during the big hash run up during 2019-Jan to 2019-Mar? And why would they create these ASICs when they know for a fact that the Monero community would ...
1
vote
1answer
223 views

How can I churn or send an individual Monero input?

For some situations, users should avoid linkages between outputs that they control. Users may desire more anonymity sets than single ring signatures provide. To this end, users may want to churn ...
5
votes
1answer
235 views

How is CryptoNight variant 4 increasing the CPU to ASIC performance ratio?

At block 1788000, Monero will switch PoW from CryptoNight variant 2 to variant 4. This change has two main goals: break any current CNv2 ASIC make hypothetical CNv4 ASICs perform less well compared ...
1
vote
1answer
43 views

Can I generate a spend-proof with a cold-wallet?

I am trying to create a spend-proof on a cold-wallet (an air-gapped laptop), but thought that the wallet might need a connection to a node to create it. Is it possible to exchange data between a view-...
4
votes
1answer
53 views

How to check a detached daemon without a wallet?

I have set a Monero node as a service on a virtual machine with --detach option to run it in the background. I can check the service status through Linux command or connect to the node with a wallet. ...
1
vote
1answer
44 views

Which is the most efficient way to run a Monero full node on a bare-metal hypervisor?

I would like to install a full Monero node on a Proxmox hypervisor. I was wondering what was the best solution (virtual server, LXC container or docker container on top of a VM) and if there were ...
1
vote
2answers
65 views

Monero Fork: Transaction hash is not generated from the wallet RPC

I have forked monero and created a separate chain. When I transfer money using the wallet RPC, money gets transferred and the remaining amount is updated in the balance. Then, the transaction hash is ...
1
vote
0answers
76 views

Monero Fork: Blocks are not mining for more than 20 Hrs

I have forked Monero V0.13.0.4 and changed the network ID and genesis tx. The Blockchain was running fine for a week, after that I noticed that there were some serious delays in the block creation ...
1
vote
1answer
62 views

Low security sync mode?

I'm wondering if anyone has thought about or implemented a low security sync mode? Presumably the client would only need to grab the TX hash, P and R values, and number of outputs, to be able to ...
3
votes
1answer
401 views

Will I need to update wallet and miner after the next upcoming (March 2019) fork?

I have read about the next upcoming fork planned for the block 1788000 (around the 9th of March). After that block, will I need to update the Monero daemon, the wallet, or both? And what about the ...
1
vote
1answer
85 views

Why did the Monero GUI fail to generate a new wallet with the Ledger?

I just tried to create a wallet but in the window, after choosing the location for the wallet file, I get this message: failed to generate new wallet: Unable to enumerate device 11415:11415: NULL ...
1
vote
1answer
136 views

Is Monero really decentralized, if the dev team can easily change the POW algorithm to fight off ASICs so easily?

With the recent ASICs on the scene as of 2019-Jan, someone managed to create ASICs again for monero and they're able to attain over 50%+ of the network. The monero core devs scheduled a fork only a ...
3
votes
1answer
205 views

Which CPU/GPU Monero miner for macOS?

I was wondering what would be the best CPU/GPU Monero/cryptonight miner for MacOS. I have an Intel Core i7 CPU and AMD Radeon 460 GPU.
0
votes
1answer
64 views

What exactly do miners communicate with a pool?

What JSON messages are exchanged with the pool, and how does one connect to a pool? With mining.subscribe? I read somewhere that the stratum protocol that CryptoNote coins use is different to, say, ...
0
votes
1answer
53 views

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
1answer
54 views

Acquiring greater than 51% of the Monero network can pose what kind of risks?

As I understand it, if a mining operator was to attain 51% of the network, they can perform a double spend. But would this be detected? And if the same attack was done on Zcash, could it be detected ...
0
votes
1answer
61 views

What are some proposed solutions to preventing ASIC's from mining Monero?

Monero forks every 6 months or so to prevent ASICs, but this doesn't fully deter ASICs from being built. Even with the new proposed RandomX pow algo, eventually ASICs will be built. What are some ...
0
votes
1answer
34 views

How can I generate the blockhashing blob for my Python miner?

I am in the works of making a pool-compatable fully python miner, and I need to know how to generate the blockhashing blob for the miner.
1
vote
1answer
99 views

Can someone show me how to hash with CryptoNight in Python?

I need a Python(2 or 3) Monero miner that outputs hashes to terminal. Please ask me if you need clarification.
0
votes
1answer
59 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
1answer
111 views

Problem with Ledger Nano S and Monero GUI: Invalid password

When I am using the Monero GUI with a Ledger Nano S, it asks me to "Export View Key", and no matter which I option choose, the wallet responds with "Couldn't open wallet: Invalid password". Does ...
1
vote
1answer
31 views

Is there a written document or resource about CryptoNight v2?

I am looking for something like this: https://cryptonote.org/cns/cns008.txt It's got a detailed, written explanation and not just code. I am trying to make a miner for learning purposes so I guess ...
3
votes
1answer
43 views

How does one craft a Monero transaction locally, sign with their private key and then broadcast using javascript?

I'm looking for the specs to craft a Monero transaction and then sign this transaction with my Monero private spend key. Then broadcast this signed transaction to a node. I want to do this in ...
0
votes
1answer
48 views

Monero fork wont mine blocks after height 3062

I have forked Monero and created the genesis block. Everything seems to be working fine till the block height reaches 3062 and then there are no blocks mined after that. Currently, my blockchain is ...
0
votes
1answer
26 views

Monero block explorer, xmrblocks, build failing

I am trying to build the onion Monero blockchain explorer. The build got through to 100% but then fails: Scanning dependencies of target xmrblocks [ 95%] Building CXX object CMakeFiles/xmrblocks.dir/...
1
vote
1answer
83 views

Why can I not recover my Monero wallet?

The Monero GUI wallet does not accept my password and I do not have the mnemonic seed or written down keys. I have attempted to recover it using the .keys file, but after choosing "Open wallet from ...
3
votes
2answers
96 views

How can I configure a node for use by Monerujo?

I am trying to run my own node for use by Monerujo to connect to, but I'm having a some trouble. If I run the node like this: ./monerod --rpc-bind-ip 0.0.0.0 --rpc-bind-port 18090 --restricted-rpc --...
0
votes
1answer
46 views

Which fork version is the py-cryptonight hash library using?

I was wondering what version the py-cryptonight library is using. For example, is it CryptoNight lite v2, CryptoNight v8, CryptoNight heavy?
1
vote
1answer
96 views

I'm trying to create a Python miner, can I get some guidance please?

I have been wondering how to make a Python Monero miner. I know about py-cryptonight, but does anyone know anything about how to actually code with it? I understand that cn_slow_hash is for mining, ...
0
votes
0answers
18 views

Unable to send coins from freshly forked monero [duplicate]

I have forked Monero, made all the config level changes and start the daemon with v9. All nodes are synced perfectly, but when I try to send coins from wallet-cli I am getting the below error: Error: ...
0
votes
1answer
56 views

Error: not enough outputs for specified ring size = 11

I am trying to fork monero release-v0.13. I have made changes to the cryptonote_config file and I built and ran the daemon. Everything seems to be fine, nodes are syncing, mining is happening. But ...
0
votes
1answer
22 views

Are there other URL parameters when querying a Monero node's get_info method?

When querying a Monero node like this: http://node.supportxmr.com:18081/get_info I get the info of the node, but are there other parameters besides "get_info"? Can I pass in other data? Is there a ...
3
votes
2answers
53 views

Do all Monero private spend keys start with a 3? What other patterns are there?

Is there a pattern to a Monero private spend key? Do they all start with 3?
1
vote
1answer
75 views

What is the best Python library for hashing Cryptonight?

What is the best Python library for hashing Cryptonight hashes and building mining software?
0
votes
1answer
45 views

Why does imported wallet not show correct balance?

I have imported my seed from CakeWallet to MyMonero on iPhone, but MyMonero wallet balance shows 0 XMR. What is the problem?
1
vote
1answer
35 views

How do I check my public facing remote node is up and running via a web browser?

I have a Monero daemon (monerod) setup on a public facing VPS server. How can I check it's running fine by using a web browser, or what type of linux command can I run? I'm using the default ports.
0
votes
0answers
60 views

Why does the Monero GUI wallet not save the daemon flags?

The Monero GUI wallet is not saving daemon flags on my system, Ubuntu 18.04. Also, there is no more start daemon button.
0
votes
2answers
64 views

Calling MyMonero API with generated parameters

I'm trying to call the MyMonero API to get some info about a wallet. By doing a call with curl, it seems to work fine. Request: curl -w "\n" -H 'Content-Type: application/json' -X POST https://api....
1
vote
1answer
144 views

My antivirus (AV) software blocks / quarantines the Monero GUI wallet, is there a work around I can utilize?

I downloaded the Monero GUI wallet. However, my antivirus (AV) software blocks / quarantines the Monero GUI wallet. Is there a work around I can utilize?
0
votes
0answers
131 views

Can't open GUI wallet with Ledger Nano S after 1.5.5 firmware update

Recently I updated my Ledger Nano S with the 1.5.5 version of firmware. After typing in the GUI password, I am asked to press tick (confirm) button on my Nano S - "Export Key" - in order to open the ...
1
vote
1answer
39 views

Where are the signatures of a ring coming from?

In a Monero transaction, according to explanation videos: The non-signers are past transaction outputs pulled from the blockchain, which act as decoys. These outputs together make the inputs of a ...
1
vote
1answer
45 views

How does the mixing work?

I have been researching Monero, and I think I understand how ring signatures and stealth addresses work mathematically. However, to create a new ring transaction, you need N peers that want to join ...
0
votes
0answers
69 views

Nano Ledger S in GUI won't sync, blocks remaining keeps resetting

This is actually an issue someone is having on /r/MoneroSupport but there doesn't seem to be a clear answer. Here's the link directly to the post: https://www.reddit.com/r/monerosupport/comments/...
1
vote
1answer
111 views

Is it possible to create a Monero miner in Python?

I would like to create a Python based Monero miner. I know that using Python for mining will likely be slow, but this is just for experimental purposes. Thanks.
4
votes
1answer
69 views

How was the generator H for the RingCT scheme chosen?

I'm reading the RingCT whitepaper by Shen Noether. The scheme requires a second random generator H such that its discrete logarithm w.r.t. G is not known. Paragraph 3.2 suggests two variants to ...
0
votes
1answer
36 views

Minimum and maximun number of mixin right now? [duplicate]

Is it a hard rule that there needs to be 11 ring signatures right now for a transaction to take place right now?

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