Questions tagged [privacy]

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

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70
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 ...
59
votes
3answers
8k views

How does Monero privacy and security compare to Zcash?

How does Monero privacy compare to Zcash? What are the key security risks associated with each design? Since important Monero improvements are in active development and Zcash has yet to launch, ...
47
votes
1answer
2k views

Why was I2P chosen over Tor for native Monero integration?

Tor is currently much more popular than I2P. Why was I2P chosen (Kovri project) over Tor for native Monero integration?
27
votes
3answers
7k views

What are the primary differences between Monero and Bitcoin?

Addressing each of the following factors, what are the major differences between Monero and Bitcoin? Privacy (including any limitations privacy may have on auditability) Scaling (including blockchain ...
24
votes
6answers
8k 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 ...
23
votes
3answers
8k views

Does Monero have any mobile wallets available?

Mobile usage is growing very fast worldwide. Monero transactions should be easy to conduct from any device Does Monero have any Android or iOS wallets available? If there are no mobile wallets today,...
23
votes
3answers
7k 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 ...
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? ...
19
votes
3answers
263 views

How will the temporal output alignment of ring partners (mixins) be addressed?

The Issue: If you only own outputs in a short span of blocks and you spend them, the mixin partners (the fake outputs / ring partners) will be different for each of the outputs and have a blockchain ...
17
votes
2answers
281 views

Spam attack to gain control of many outputs and undermine privacy

Would it be possible for an attacker to send many transactions to himself with the goal of gaining control of many outputs for the purposes of deanonymizing transactions of others (using low mixins ...
17
votes
1answer
361 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?
15
votes
2answers
6k 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 ...
15
votes
1answer
18k views

What is the difference between Monero (XMR) and Verge (XVG)?

I would like to have a comparison between the privacy features of Monero vs Verge. I have heard some people say that these are privacy-oriented coins, and I would like to learn more.
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 ...
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?
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?
13
votes
3answers
5k views

Is it safe to share a daemon with a roommate?

Are there any security concerns with sharing a Monero daemon with a roommate to send or receive transactions? If we each person has their own wallet, encrypted with a very strong password what are ...
13
votes
2answers
309 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 ...
12
votes
2answers
280 views

Number of Monero block explorers and their unique features

How many Monero block explorers are currently known to exist? What unique features separate one block explorer from another? What differences do they have in terms of privacy and security ...
11
votes
1answer
4k views

What is churning?

I have read a few times on Reddit that churning one's own moneroj would improve privacy. What does it entail exactly? And how do I do that with the CLI or GUI?
11
votes
2answers
247 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 ...
10
votes
1answer
359 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?
10
votes
1answer
557 views

How can I use monero-blockchain-blackball to improve my privacy?

Monero version 0.12.0.0 shipped with a new executable file called monero-blockchain-blackball. What is the purpose of this new program, and how can it be used properly?
9
votes
2answers
267 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 ...
9
votes
1answer
523 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 ...
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 ...
9
votes
1answer
189 views

Colored Coins on Monero

As a followup to this question, I'm curious as to whether an OMNI/Mastercoin-like colored coin protocol could be used on top of Monero, in a private manner. Colored coins are fundamentally different ...
8
votes
2answers
160 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 ...
8
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'...
8
votes
2answers
2k 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?
8
votes
2answers
72 views

How can monero remain private in a soon to be virtual reality world?

2016 is said to be the year of virtual and augmented reality as these technologies come to market. As these technologies are stuffed with a lot of sensors, how do you see a way for us to make ...
8
votes
1answer
374 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 ...
8
votes
1answer
237 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 ...
8
votes
1answer
190 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 ...
8
votes
1answer
149 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 ...
7
votes
2answers
699 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 ...
7
votes
1answer
2k views

What is the difference between Monero (XMR) and Nav Coin (NAV)?

Can someone please compare the privacy differences comparing Monero vs Nav Coin? I have heard that each addresses privacy using different methods, and I am interested in what they do differently.
7
votes
2answers
846 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 "...
7
votes
3answers
1k views

Can a One-Time public key be used for more than one payment?

If I understand correctly, every new payment will ideally have a different one-time public key for increased privacy. However, could a one-time public key receive Monero more than once (as in ...
7
votes
1answer
416 views

What effect has the increase of minimal ring size from 5 to 7?

How will the scheduled increase of ring size in the current hard fork v7 affect security/privacy, transaction size/fees and verification time? Is there a reason why exactly 7 and not 10 or maybe 20?
7
votes
1answer
347 views

How can I spend coins if other people can't see my balance?

So I have 5 monero, but if nobody else can see my balance, how can I prove that these coins are in my posession, and that they have not been spent yet. I just fail to see how Monero can ensure that ...
7
votes
1answer
257 views

Should I worry about dust in my wallet?

MRL-0004 talks about how if I get sent a weird amount of XMR like 103.32111111, I'll have a weird output of .00111111 in my wallet, and assuming there will be no other outputs of the same amount in ...
7
votes
1answer
306 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 ...
7
votes
1answer
203 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
1answer
207 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 ...
6
votes
2answers
96 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?
6
votes
2answers
235 views

What is the purpose of enforcing a minimum mixin?

Each person can choose a mixin as high as they like when sending Monero. For those that receive Monero solely from mining (never accepting Monero payments) is there any reason why a minimum mixin ...
6
votes
3answers
244 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,...
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 ...
6
votes
1answer
239 views

Is there a minimum effective mixin?

I understand that as of the last hard fork, the minimum mixin has been changed from 0 to 2. However, is this an effective baseline? Or is there a higher selection that users can or should choose that ...