Questions tagged [privacy]

Questions regarding the information that is leaked through cryptocurrency transactions or related processes

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4
votes
3answers
601 views

How does a third-party verify that I have the XMR to make a payment?

Say I have 10 XMR but I want to pay out 11 XMR. How do nodes tell that I don't have enough XMR? Do I have to share my viewkey with them?
10
votes
3answers
2k views

What's the point of ring signatures if stealth addresses hide the actual addresses anyways?

I understand generally how ring signatures work, but I also realize they are sent to and from stealth addresses, and so I'm curious why ring signatures are needed in the first place. Doesn't a sender'...
5
votes
1answer
215 views

Is there anyway to calculate how much privacy is gained by increasing the ring size of a transaction?

The default for wallets right now is 4 but is there a large benefit say using 15 or 20 over 4? Can this be measured? Bigger ring size will help obviously but after a while is it not kind of a waste of ...
3
votes
1answer
228 views

How could Monero profit from TumbleMoneroWimble?

Core developer fluffypony on Twitter recently published a link to his whitepaper on TumbleMoneroWimble, "One-time Ring Signature Scalable Off-Chain Untraceable Instant and MimbleWimble". Since the ...
4
votes
1answer
253 views

How hard is it to find the originating IP of a monero transaction (pre Kovri)?

I can only theorize about how you would attempt to trace someone's IP. I want to know the opinions of people more knowledgable about the subject.
11
votes
2answers
314 views

Smart contract privacy

What type of smart contracts sidechains would most benefit from the privacy that Monero provides by default? Assuming that many types of smart contracts sidechains were operational today, which would ...
7
votes
1answer
227 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 ...
2
votes
0answers
745 views

Difference between Monero and CoinJoin [closed]

How does Monero provide any additional anonymity for the sender over a CoinJoin transaction? I get that it provides anonymity of the receiver and the amount spent via stealth addresses and RingCT, ...
3
votes
2answers
166 views

Is it possible to add coins to a wallet that were never mined?

Since Monero's transactions are basically anonymous, is it possible to create coins that were never mined, so they don't originate in any coinbase? I understand that it's possible to add up all the ...
2
votes
1answer
115 views

Monero privacy features different from coin shuffling used in nxt/ardor?

How are Monero privacy features different from coin shuffling used in nxt/ardor? https://nxtwiki.org/wiki/Coin_Shuffling
5
votes
0answers
55 views

What are the advantages/inconvenience between using Monero with tor and with i2p? [duplicate]

Are there any real advantages/inconvenience between using Monero with tor and with i2p?
3
votes
2answers
2k views

Is it true that a vendor can see my IP address if I send moneros via my GUI wallet without using Tor or I2P?

xmr.to recommends to always use Tor or I2P to cover the ip address. I've tried to inform myself on that topic, but to be true it is to complicated for me. Is it right that, in the future, a possible ...
6
votes
3answers
261 views

How can I explain the meaning of Monero to my grandma?

I wrote a book about Monero, and my proud grandma wanted to have a copy. So she got it, said "What a beautiful picture on the cover!" and - "What is this, Monero?". She doesn't know crypto-currencies,...
1
vote
1answer
58 views

Are there any blockexplorers that will track RingCT usage after the v4 fork?

Statistics on mixin data is useful to anyone interested in privacy levels of Monero network transactions. I would like to track what percentage of transactions use RingCT between v4 activation and v5 ...
8
votes
2answers
199 views

Can Monero's privacy features be integrated into (copied) by bitcoin?

Can Monero's privacy features be integrated into (copied) by bitcoin? If so, to what degree given the current political gridlock? By the way, I'm a true believer and I'm setting up a full node as I ...
6
votes
1answer
433 views

In what ways can a wallet connected to a malicious remote node be abused?

There are several efforts under way at the moment to build easy to use mobile wallets for Monero. The most popular approach is to rely on a trusted remote node (either your own or one provided by a ...
8
votes
1answer
171 views

How can one use RingCT to maximize the privacy of existing wallets?

I think the privacy is not what it should be in my existing wallets is because 1) there are old zero mixin transactions there and 2) it is my understanding that it is possible to estimate the amounts ...
3
votes
1answer
247 views

How would the privacy of monero be affected by a quantum computer?

So I was wondering, if say a quantum computer is ever made could it be used to break the privacy of past transactions? Would that mean at that someone could just work though the blockchain and De-...
3
votes
1answer
137 views

To what extent does my potential level of privacy change by hosting a public node?

Let's say I run a node at home. Let's say I have a laptop from which I run a wallet only. I can access my node from within or from outside my home LAN, whether my node is public or not. I suppose ...
2
votes
2answers
352 views

Vcash privacy and scaling compared with Monero?

How do Vcash privacy and scaling functions compare with Monero? How does the privacy provided by Chainblender, used by Vcash compare with RingCT for Monero? Monero has had dynamic block sizes since ...
8
votes
1answer
201 views

Does the kovri pre-alpha build already work for running a monero node?

As i understand kovri aims to add support for the I2P network through C++ code instead of the java code it is originally built on. Not only as a monero specific implementation, but also as a general ...
7
votes
1answer
355 views

Monero distribution estimates

With no rich list estimating the distribution of Monero is difficult compared to other currencies lacking the privacy properties of Monero. Are there an published reports of estimated Monero ...
2
votes
0answers
76 views

Impact of Topological data analysis on Monero

What is Topological data analysis? Can it be used to study the Monero blockchain and degrade the privacy of transactions as claimed by Gary Le in the interview referenced by this answer?
9
votes
1answer
3k views

How does Monero privacy and security compare to ZCoin?

How does Monero (XMR) privacy compare to ZCoin (XZC)? Can ZCoin protect the privacy of transaction amounts like Monero will do with RingCT, or are ZCoin transaction amounts visible similar to Monero ...
1
vote
1answer
161 views

Trezor firmware, private view key, key image and privacy

It is my understanding that the Monero trezor firmware uses the private view key. This might lead to some privacy concerns. I have read that key image can be used to check balance of a paperwallet. ...
13
votes
2answers
353 views

i2p/Kovri fundamentals in Monero

Have the fundamental properties of Kovri been decided upon for Monero? In particular, I'm curious about the IP configuration for the i2p/Kovri router. i.e. Will it be auto-detect methods, or hidden ...
5
votes
1answer
104 views

Is it feasible to introduce output key reuse checking?

Reuse of output key P=H(rA)G+B (which effectively burns fund) could potentially occur if the same random r was used in multiple transactions to transfer fund to the same recipient (A,B), most likely ...
9
votes
2answers
271 views

Monero mixin 0 versus Zcash "T" address transaction

How does the privacy of a Zcash "T" address transaction compare with a Monero mixin 0 transaction (back when they were available)? Does 'T" stand for transparent? Would it be technically possible ...
10
votes
1answer
392 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?
8
votes
1answer
258 views

Does Multisig have any privacy drawbacks?

Does implementing multisig at the protocol level raise any privacy concerns? In other words, because several people are now involved in a trx, does that raise the probabilities of de-anonymizing the ...
3
votes
1answer
89 views

Is there any obfuscation in the communications between nodes?

If a dictatorship decided it wanted to block Monero, how easy or hard would it be at the ISP level? Does Monero have any built in obfuscation to counter censorship (of Monero use in general such as ...
9
votes
2answers
3k views

What is RingCT and how does it make Monero private?

I hear that RingCT will make Monero more private than Bitcoin. Is there truth to this?
4
votes
2answers
615 views

Total Amount Of Monero Wallets

Is there currently a way in which to view the total amount of Wallets that have been created for Monero and deposited too? and/or an estimate located anywhere as to the total amount of wallets ...
8
votes
1answer
445 views

Why not have Torsocks on by default while we wait for Kovri?

Recently, funding has been allocated to pay for Kovri's development and integration into Monero. Kovri is a re-implementation of I2P, an anonymity tool similar to Tor in its goals, but with a lot of ...
73
votes
2answers
10k views

What advantages does Monero offer that are not provided by other cryptocurrencies?

What are the advantages provided by using Monero compared with other popular cryptocurrencies such as Bitcoin? Specifically, what unique features does Monero have relating to privacy, PoW security ...
17
votes
1answer
397 views

Can Kovri be blocked in e.g. China?

And if so, is there a way around it with something like the meek pluggable transport from the Tor project?
1
vote
1answer
109 views

What will be the effect on monero if bitcoin deploys schnorr sig's? [closed]

Let's take this question two ways. Assuming Schnorr requires a hard-fork - let's take into consideration what that could do to bitcoin in context of this question. let's assume schnorr is deployed ...
14
votes
4answers
2k views

What would be the minimum mixin for full privacy?

How much privacy does the default (I think it's 4) give? If not enough, how high a mixin is enough?
7
votes
2answers
985 views

How to mix correctly?

I have noticed that Monero mixes are usually a bunch of very small txs and then a much larger one that accounts for almost the whole amount sent. I also hear talk that one should not be sending "...
3
votes
3answers
165 views

How does Monero help people in developed countries? [closed]

Monero prides itself on being the best option (according to many) for transaction privacy. Do people really care? When people make purchases today online or in store, a large, increasing number pay ...
25
votes
6answers
9k views

What is fungibility and why does it matter?

Fungibility seems to be extremely important in the Monero world. Why does it matters for Monero and for the future of cryptocurrencies? Does any other cryptocurrency have that property? Does ...
6
votes
2answers
102 views

Can a 3 letter agency see if I am running Kovri?

When Kovri comes out will a 3 letter agency see if I am running it?
2
votes
1answer
71 views

Is Monero Project goal to use Darknet Markets?

Is the anonymous usage of Darknet Markets (DNMs) the goal of Monero developers?
7
votes
1answer
232 views

Is there any security risk to using a nonrandom encrypted payment id?

With plaintext payment ids, you should a random payment id. Using a nonrandom one can affect your and other parties privacy. Is this still a risk with payment id? Or could you include messages in the ...
7
votes
2answers
1k 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 ...
18
votes
2answers
8k views

What is a stealth address?

Canonical question on stealth addresses: They are mentioned in the context of privacy of Bitcoin transactions but are also implemented in Cryptonote based currencies. What are they and how would they ...
21
votes
2answers
2k views

What privacy issues did Monero have and still has?

Has there been any scientific research regarding the promised privacy and security of Monero? Have there been attacks on the Monero network in the past? If so, what has been done to combat those? ...
6
votes
0answers
158 views

Can we use Coinshuffle++ insights to improve privacy in relaying Monero transactions? [closed]

Coinshuffle is a communication protocol that allows for a number of peers to privately collaborate in making a Bitcoin coinjoin transaction in such a way that they all provide their addresses for the ...
4
votes
0answers
156 views

With RingCT, could an adversary get into a bunch of ring signatures to decrease privacy? [duplicate]

Let's say I want to deanonymize Monero. What if I create a ton of RingCT outputs, such that, say, +99% of them are mine. Since amounts don't matter with RingCT, it can be very small amounts (like one ...
6
votes
1answer
2k views

Is it possible to trace an output in the Monero blockchain?

In MRL-0004, it's said: Bob wishes to send 0.75 XMR to Alice, and will pay 0.01 XMR in fees. The Monero that Alice receives, 0.75 XMR, will be delivered as two new unspent transaction outputs ...