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Questions tagged [security]

Security issues with the design or implementation of Monero and related crypto-currencies.

1
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1answer
37 views

Will the Multisig Messaging System improve Monero security and performance?

I'm trying to understand the incoming MMS (Multisig Messaging System) in Monero. Reading the MMS User Manual, I am thinking that MMS could improve both the security and performance in the next Monero ...
4
votes
1answer
101 views

Securely funding a Monero physical coin

Assume that someone who ordered a physical coin from smoothie either: Lost the funding instructions Received the instructions but wants to verify them in case they were replaced in a MITM attack ...
9
votes
1answer
134 views

How is code reliability improved?

It seems that blockchain code written in C++ is prone to obscure but serious bugs such as recently seen in Zcoin. I know that rewriting Monero in a safer language is not practical in the short-term, ...
4
votes
1answer
58 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 ...
1
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0answers
50 views

Why did I get an 'using an untrusted daemon' warning?

I'm running a full node and I followed every security step to set up the node on my computer. Everything was going great until today when I realized that a view-only wallet created the day before was ...
1
vote
1answer
53 views

Should I use a hardware wallet?

I hear a lot about hardware wallets and I would like to know if, in terms of security and functionality, it makes sense to switch to one of them. Thanks in advance for answers.
2
votes
1answer
101 views

Is it safe to use a remote node?

I started using Monero from now and my laptop takes a lot of time to download the blockchain. Also, my SSD is small and nearly full. I was reading about the use of a remote node to sync my wallet, ...
5
votes
1answer
483 views

Is Monero in I2P secure now, and how do I do it?

First I'd like to say I love this project and I wanna support it and use it as best I can, but I'm a little bad with computers, and with English, so please excuse me. I am interested to set a Monero ...
1
vote
1answer
36 views

Suspicious connections - Having issues with the GUI under Debian by connection to a public remote node - PC hangs

Having a Windows client with local node - works perfect. When trying to connect with the Debian client to a remote node (eu.node.moneroworld.com at port 18089) the pc hangs immediately and cinnamon ...
27
votes
1answer
306 views

How would Monero verify transactions on a 2-way pegged sidechain?

From my understanding, in order to retrieve tokens on a side-chain, you would have to send your XMR to some address that would then be unlocked when you burn the side-chain tokens. How could Monero ...
4
votes
1answer
338 views

Security differences between using Monero on PureOS and QubesOS

The new Librem laptops available for purchase with Monero offer an option to add a QubesOS operating system to any order. For Monero use exclusively, what are the security differences between PureOS ...
1
vote
1answer
56 views

Does Monero (XMR) or Pirate (ARRR) offer better privacy and security?

I have read several comparisons between Monero and Pirate. Can someone please explain to me the objective pros and cons about their privacy offerings? Is one more secure than the other? What are the ...
2
votes
1answer
35 views

Migrating Monero Fork from Test to Production

When migrating from Test to Production of a Monero Fork, what needs to be considered? For example, launching the Seed Nodes in "--restricted-rpc" mode.
1
vote
1answer
33 views

Is it okay to host a node that connects on the clearnet?

There is some concern in regulatory bodies about governing Monero in the future. Does this have implications for people hosting nodes at home on personal computers and connecting on the clearnet, ...
7
votes
2answers
628 views

How do full nodes vs miners secure the network differently?

If I run a full node I am supposedly contributing to network security by keeping a copy of the blockchain If I mine (via pool or solo) I contribute to the network through verification of blocks How ...
1
vote
1answer
335 views

Can I run monero desktop wallet over Tor?

Can I use desktop version of monero wallet https://getmonero.org/downloads/ over Tor ? I read Web version mymonero.com is rejecting Tor connections. Does desktop wallet work over Tor ?
1
vote
1answer
66 views

Offline Signing 2/3 Multisig

Interested in weather offline signing for 2/3 Multisig wallets is possible in this setup. I have three computers Airgapped from the internet, and a USB. I imagine i can pull down some outputs for ...
1
vote
1answer
37 views

Backup and Disaster Recovery for Monero Fork

For a clone of Monero in a production environment, what files/directories to be backed up and and what intervals?
1
vote
1answer
54 views

Mitigating Risks of Forking Monero

When Forking Monero on GitHub, the code base becomes a public repository. The benefit of Forking as opposed to cloning into a private repository is that the link to the original code base is ...
15
votes
2answers
4k views

How can individuals safeguard themselves and the community against a key reusing fork?

Regardless of the true intention behind the MoneroV developers, it forking off the existing Monero blockchain poses danger to the privacy of Monero users. While the MoneroV forking date has been put ...
0
votes
1answer
47 views

lost my phone with 2FA code

I lost my phone, so I lost my 2FA code too. Now I have new phone and I cant to login to the my wallet in step 2. where I need to get 2FA code from Authenticator. I am using Monero app on iphone. I ...
6
votes
2answers
333 views

Why does Monero use a 256 bit seed?

Apparently, ECC 256 bit keys have a bit strength of 128 bits. See https://crypto.stackexchange.com/questions/26791/how-many-bits-of-entropy-does-an-elliptic-curve-key-of-length-n-provide And ...
2
votes
1answer
108 views

What is an airdrop attack?

I just came across this thread on Twitter discussing Zcash and Monero usage in Dark-Net Markets. This quote bothers me: too much risk that an "airdrop attack" deanonymizes a chain like Monero ...
6
votes
1answer
407 views

Pin Entropy of Trezor versus Ledger Nano S

There have been discussions of adding hardware support for Monero, specifically for Trezor and Ledger wallet. How much more entropy does a 9 digit pin (Trezor) offer compared to a 4 digit pin (Ledger ...
5
votes
1answer
84 views

Kovri operational security example(s) - file permissions

The Kovri User Guide has a Step 2. (Recommended) Operational security. It is currently as follows: Consider creating a designated kovri user and run kovri only using that user If using Linux, ...
0
votes
2answers
82 views

SSL usage in Sumokoin/Monero

There is this merge: https://github.com/sumoprojects/sumokoin/pull/63 that enables SSL for Sumokoin (can be used also for Monero). What is it used for? I guess For SSL communication between RPC-...
0
votes
1answer
267 views

monerov windows wallet gui.exe showing up as Trojan

Why is moneorv windows wallet gui.exe being quarantined as Trojan.BitCoinMiner by malwarebytes ?
15
votes
2answers
4k views

What is MoneroV, and how is it different than Monero?

I have heard of an upcoming airdrop called MoneroV. Can someone explain the relationship between Monero and MoneroV, and explain their differences?
1
vote
0answers
40 views

Improvements on generating monero wallets securely?

My current process of generating monero wallets: Use an air-gapped RaspberryPi Use monero-wallet-cli to generate a wallet Record mnemonic on paper only Record partial address for reference on paper (...
0
votes
1answer
105 views

Monero Gui didn't create .keys file for wallet, it crashed, wasn't able to restore wallet, is it lost?

My Monero Gui was freezing every 10 seconds when I clicked on it so I just killed the process, after trying to reopen multiple times I killed the monerod daemon process as well When opening again the ...
3
votes
1answer
57 views

Where can I find the random public key R=rG in a Tx?

I've read the white paper of Monero(CryptoNote v2.0) and a problem confuses me. This paper says that when Alice sends coin to Bob, she uses P = Hs(rA)G + B as a destination key and packs value R = rG ...
8
votes
1answer
186 views

Connecting Kovri through a VPN vs using Kovri directly

In terms of privacy and security what are the differences between to connecting Kovri through a VPN compared running Kovri directly? Would home, business or VPS IP addresses be better protected if a ...
1
vote
2answers
54 views

Why AVs reject miners?

I have been trying to install miners on my windows, but mostly detected as a threat by AVs. Why are most of the miners blocked by Antivirus programs? Is there any miner which has no problem with ...
1
vote
1answer
58 views

Will there be security vulnerable if you left your wallet address and password in public?

So usually we got no password or x as password but my wallet got an password but since usually there isn't a password for wallet I'm wondering if I left my wallet address and its password in public ...
10
votes
1answer
352 views

How does TumbleBit privacy and security compare with Monero?

How would a Bitcoin implementation of a TumbleBit payment hub compare with Monero? What are the important differences between the two in the areas of privacy and security?
6
votes
1answer
198 views

Can a remote node know my wallet address?

When I connect my wallet to a remote node, does it know my wallet address? What information about a connecting wallet is revealed to the remote node?
3
votes
1answer
63 views

How could you lower the risk of accepting zero confirmation transactions?

As far as I heard monero nodes don't add double spent tx to their txpool (source), so if I connect to enough nodes it should be possible to lower the risk of a double spend attack right? (I could also ...
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votes
1answer
604 views

How can I make a coin using Monero? [closed]

I am developing a coin using the Monero git code, so I want to know what is the setup we need to follow to create our own coin using Monero. Coin development Coin Api development Coin explore Coin ...
2
votes
1answer
480 views

Best practices to keep Monero wallet secure

I'm using a read-only wallet on a computer connected to the Internet, a dedicated local server for the Monero node and I keep on a USB key the full wallet as cold storage to use it only in case. Also, ...
3
votes
1answer
46 views

When using a foreign remote node does the transaction signing happen on my wallet or on the node?

I don't understand the architecture of Monero wallet(s) - on OSX or on Android. When I choose not to run my own full node/daemon and use (foreign) remote node instead, how does the security of ...
23
votes
3answers
6k views

What privacy or security trade offs are associated with not running your own full node?

If I choose to use a webwallet such as mymonero.com or connect to a Monero node run by someone else to make transactions, what are the unique privacy and security concerns I will face (compared to if ...
4
votes
1answer
252 views

Cold transaction signing with GUI

Is it possible to safely complete a cold transaction signing process with the official GUI instead of the CLI process described here?
3
votes
1answer
471 views

How to setup own remote Monero node with maximum security / anonymity?

I'm interested in setting up my own remote monero node for personal use on a home computer running OSX. According to this guide all I need to do is setup an SSH-connection with a command line which ...
1
vote
3answers
379 views

Why Are Mining Passwords 'x'

In any of the 'get started mining' type sites, I see that password is always x. In xmr-stak, it seems to suggest putting in 'mostly empty or x' as a password. Does this really mean I should be using ...
0
votes
1answer
608 views

QUESTION : is it safe to use a remote monero demond (monerd)

hello everyone i don't know about professional part of monero so my question may sound crazy excuse for that i've seen some pool and .. provide a remote daemon for their users so they can use ...
3
votes
1answer
819 views

Difference between --rpc-bind-ip 0.0.0.0, or loopback, or actual IP

I run a node from home. I use --rpc-bind-ip as a daemon flag, with my internal/LAN IP address as the argument. With this setup, I can access my node from wallets on different computers inside my LAN....
5
votes
3answers
1k views

Trouble restoring FreeWallet account

Just after updating the FreeWallet app I lost my passwords book. The FreeWallet app is asking to restore my wallet. I've used the "email restore" option + "forgot password " but I never received the ...
0
votes
1answer
73 views

Should I keep monerod instances active on mining rigs?

Does it help the Monero network if I keep monerod instances active on different rigs? Or is it not useful?
9
votes
1answer
480 views

Are Confidential Transactions in Monero perfectly binding or hiding?

Bitcoin contributor Pieter Wuille recently commented on Reddit: Bulletproofs and the Pedersen commitments they operate on are perfectly hiding, but not perfectly binding. This roughly means that ...
3
votes
1answer
189 views

Is it easily provable by a third party that the key image used in a transaction is associated with the spent output without revealing the (P,I) pair?

What I'm getting at is I'd like to know how the Monero network can know that a key image used in a transaction is not either forged (probably an easy answer) or created from a different output owned ...