Tagged Questions

Questions regarding how much information is revealed through crypto-currency transactions or related issues about minimizing or analyzing transactions to identify their sources and other properties.

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1answer
34 views

How does Zerocoin work?

How does Zerocoin work? I got the idea that it is used to add anonymity in bitcoin. It converts bitcoin to Zerocoin and back to bitcoin. But how does this process work? I tried reading the research ...
1
vote
1answer
40 views

Tracing solo miners and anonymity

Can one, theoretically, write a program that is similar to a solo miner but instead it just logs IPs of other computers on the bitcoin net to trace IPs that might have bitcoin wallets on them and then ...
2
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1answer
40 views

Other users' coins instead my own?

I found some advices about anonymity, however one sentence is unclear for me The quote comes from https://en.bitcoin.it/wiki/Anonymity The protection that this method offers is significantly ...
2
votes
2answers
56 views

What is the most advanced technology for anonymous transactions?

What is the most advanced technology for anonymous transactions feature? I’ve heard about zerocash and coinjoin but which one of them has a technological edge? Are any of these technologies really ...
2
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1answer
36 views

How does CryptoNote provide anonymity for a new coin when the user base is still small and additional signatures are scarce?

So far as I know the anonymity feature in CryptoNote is achieved through the ring signatures technology. But what if the coin is new and the number of users is small? Does it mean that unless a new ...
2
votes
1answer
62 views

NXT single address per user vs bitcoin single address per transaction

In bitcoin, the anonymity is ensured by creating a new address for each transaction and by associating this address with a wallet. As far as I understand, with NXT, you use your account (calculated by ...
2
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1answer
70 views

Anonymous transactions technology for a cryptocoin? [duplicate]

I’m thinking of investing in a cryptocoin with anonymous transactions feature. So far there are 3 well-known technologies for that: coinjoin (Bitcoin), masternodes (Darkcoin) and CryptoNote ...
8
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4answers
859 views

Is there any _true_ anonymous cryptocurrencies?

I've been looking into Bitcoin recently and stumbled upon numerous notes how Bitcoin is not anonymous at all, or how it's only partially anonymous and you can easily trace your funds. So, this ...
1
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1answer
72 views

Beginning the process of buying bitcoins

I am interested in the process of buying bitcoins, but I have many questions. First and foremost, how do I begin this process? I am looking to make my bitcoin wallet as secure as possible, so how ...
4
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1answer
170 views

BitLaunder's mixer vs “major exchanges” mixer

BitLaunder (seemingly created by syadasti) writes: Secure Launder renders your bitcoins completely untraceable, even to the most persistent forensic investigator. You deposit bitcoins into ...
5
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1answer
105 views

Do thin clients leak which addresses you own?

According to this, thin clients use bloom filters to request "addresses and transactions they are interested in to the peer". And according to this, bloom filters are used to help prevent the SPV ...
3
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3answers
92 views

Bitcoin Exchanges and Anonymity

I'm new to Bitcoin and I have a few questions about Bitcoin Exchange and how the transactions work. To be more specific, the question is related about the level of anonymity of these transactions. 1) ...
1
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0answers
46 views

Are Bitcoins anonymous or tracable? Any changes from “How anonymous are Bitcoin transactions?”?

After the hacking and closing of Mt Gox there has naturally been some talk if there is a way to recover the lost coins. One "expert" commented that this would be a great test of the claim that ...
1
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1answer
68 views

Why does bitcoin use public keys as pseudonyms?

Why does bitcoin use public keys as pseudonyms? Is there any reason for that? What are the advantages of using public key as the pseudonyms? Highly appreciate if someone can give me an answer.
1
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2answers
182 views

Multibit security — How anonymous is it?

Hi and I hope someone here can answer these security questions for me. I have downloaded the Multibit client onto both a windows laptop and also a separate download onto a laptop running ubuntu ...
0
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1answer
32 views

What are some valid ways to obfuscate the scriptPubKey?

Is it possible to hide the balance of an address from standard clients who may be watching blockchain? I'm thinking about using script to modify the the key that is to be verified, but am having ...
1
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1answer
277 views

Does Blockchain.info track IP addresses?

I use Blockchain.info for my wallet, I use a secure anonymous email address. My name and identifying information is never connected with my bitcoin, is it anonymous? How can I keep my bitcoin ...
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0answers
20 views

For greater anonymity, should I split my payments into multiple addresses (in the same Tx or different Tx)?

Normally when people pay an individual, they pay directly to a single Base58 address. I would think that it would allow for greater anonymity if instead of paying one address, I would split that ...
4
votes
1answer
59 views

Can ISP intercept network messages to identify the IP of the transaction issuer?

Suppose my ISP is intercepting the bitcoin protocol communication. By analyzing traffic in the network, he could be able to determine that some transaction propagates from my IP (as there is no record ...
2
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2answers
246 views

Is it possible to know my ip address by simply connecting to the Bitcoin network?

It is saying that in order to stay anonymous, it is usefull to use Tor whenever connecting to the Bitcoin network. How does someone can discover my ip adress if I'm simply connecting to the bitcoin ...
1
vote
2answers
112 views

How can using Bitcoin with Tor improve privacy?

As far as I understand Bitcoin, user privacy and anonymity are hard to guarantee in the presence of multi-input transactions and shadow addresses. Some sites suggest using Tor to hide the source of a ...
2
votes
1answer
50 views

Anonymity while sending payment

Bitcoin wallet has the option of creating a new wallet address for receiving payment. What about for sending? Isn't my "From" address always going to be the same?
12
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3answers
959 views

What is a stealth address?

Stealth addresses are mentioned in the context of privacy of bitcoin transactions. What are they and how would they work? Can they provide 100% anonymity?
6
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3answers
172 views

How can I tell whether transactions were (not) made via BitPay / Coinbase?

Background Recently, Rep. Steve Stockman posed for a photo op with his Bitcoin address on a big QR code, which got shared. He has a Bitcoin donation page which asks for identifying info and goes ...
3
votes
3answers
93 views

What if you wanted to decrease anonymity?

My idea is to be able to build "credit" for an individual. Lenders of BTC could just use a service to check the "credit score" of a certain address of a borrower. The borrower would have to spend a ...
2
votes
1answer
141 views

How did Silk Road work when it came to delivering product anonymously?

A lot of times, people say Bitcoin is anonymous, but I know most transactions can be easily traced using IPs that used ewallets and by making connection with other bitcoin addresses. So with that in ...
2
votes
2answers
262 views

Is the news story about the missing hard drive containing £4 million GBP of Bitcoins technically feasable?

I'll admit to being a complete newbie to Bitcoins. The whole thing has up until now passed me by, until my interest was peaked by this news story about a gentleman in the UK who supposedly threw away ...
2
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0answers
59 views

What metadata can be captured by a single miner? What about a group of miners?

It is my understanding that the blockchain consist of the following information for every transaction in the network: From address To address Amount of bitcoins What additional information can a ...
2
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0answers
208 views

Do we know who runs the big mining pools?

After looking at the hashrate repartition https://blockchain.info/fr/pools. It seems to me that bitcoin is quite centralized, and that two big actors (mining pools company who run the bitcoind server) ...
6
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3answers
994 views

can someone explain to me how coinjoin works for anonymity in plain english without all the tech jargon?

I just learned about coinjoin, but i dont really understand all the jargon being thrown around. Can someone explain how this works where a 10 year old can understand?
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2answers
53 views

Payment Protocol: Is using different addresses for refunds just because of privacy?

One of the features of the new payment protocol is that it allows the customer's wallet to automatically send a refund address with the transaction to the merchant. Why would the refund not be sent ...
3
votes
1answer
136 views

What are the specific problems that Virtual Currency is solving? (in the Banking system, economics, and finance )

What is Virtual Currency is trying to solve, and how is it trying to solve them? Many users of virtual currency (BTC, XRP, etc) talk about a corrupt banking system, and many other ideals, but I'd ...
0
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1answer
45 views

Would it be possible to make Trophys / Achievements from bitcoin experience

One Trophy could be: "First output signed" And many more milestones on the road to the more advanced usages of the network: "First multisign/multispend", "First completed ANYONECANPAY transaction" ...
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1answer
326 views

What are the “Know Your Customer” challenges that Bitcoin faces?

Can anyone explain what KYC (Know Your Customer) regulations are "missing", tough or impossible to implement with Bitcoin? I will offer a bounty to the most detailed answer (However this question is ...
0
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1answer
61 views

Large pool of addresses means more anonymous? how?

For an average end-user, if bitcoin-qt is configured with a large pool (1 billion) of Bitcoin addresses, then will it increase user / transaction anonimity?
4
votes
2answers
3k views

Anonymizing bitcoins? [duplicate]

Is there any way to anonymize bitcoins? It doesn't need to be AML-proof, or even completely anonymize their source, I'd just like to obfuscate the source of the bitcoins more effectively than sending ...
1
vote
0answers
312 views

Anonymous (no ID, no verification) Payments to PayPal?

Not looking for a discussion on how Bitcoin payments can be traced and it's not truly anonymous. I'm not looking for total anonymity, I just don't want the merchant or payment processor to identify ...
5
votes
1answer
206 views

Is an exchange a good substitute for a mixing service?

Isn't an exchange such as MtGox essentially a mixing service? I might be wrong, but can somebody trace coins when they are paid to one address, possibly exchanged, and another amount is paid back from ...
4
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1answer
199 views

Where is the bitcoin automatic address generation?

I have head of the automatic bitcoin address generation feature for every transaction. I have done multiple transaction, but I still have the same addresses (I have two addresses). I would like to ...
0
votes
1answer
146 views

Which method is preferable: sender to send Bitcoins to eWallet/mixer first or to wallet on the PC?

Suppose a friend wishes to send some Bitcoins to me. In terms of anonymity, which of the following would be preferable? Have the Bitcoins sent to an eWallet/mixer first and then I withdraw them to ...
5
votes
2answers
2k views

Sending Bitcoins through Tor versus sending them through VPN

I bought a VPN subscription using Tor and Bitcoins. The commercial VPN service provider does not know who I am. Below are my questions: Could someone tell me whether sending Bitcoins through Tor ...
2
votes
1answer
1k views

Which Bitcoin mixer has the largest pool of customers? [closed]

As the title of the post states, which current Bitcoin mixer has the largest pool of customers? I understand that the larger the customer base of a Bitcoin mixer, the more anonymity the mixer will ...
1
vote
0answers
69 views

Are we anonymous against governments? [duplicate]

If all transactions are public knowledge and coins are identifiable and thus traceable. With the power of subpoena can't a government uncover who bought the coin(s) from an exchange. It might be ...
16
votes
2answers
1k views

Does the ZeroCoin protocol fulfill its promise of anonymity?

Zerocoin is a new cryptographic extension to Bitcoin that (if adopted) would bring true cryptographic anonymity to Bitcoin. Has anyone seriously analyzed the protocol and verified it works as ...
1
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2answers
145 views

Why is anonymity important in bitcoins? [closed]

Before I get started I would like to say I am an advocate of a virtual, peer to peer currency and bitcoins to an extent. I think some of the worst aspects of capitalism as well as huge amounts of ...
1
vote
1answer
201 views

Measuring levels of spammer participation on the Bitcoin network

Is there any reliable way of estimating the number of spammer controlled miners? I was thinking about the common wisdom that BitCoin should have been implemented with a hashing mechanism that is ...
3
votes
1answer
762 views

How can one remain relatively anonymous while using Ripple?

Inspired by this and that. What can an individual that uses Ripple do in order to remain as anonymous as possible? How do Ripple's "anonymity profile" compare to Bitcoin? One specific difference is ...
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votes
1answer
2k views

Running Multibit on Tails - connecting error [closed]

I'm trying to get Multibit wallet set up on my new Tails USB. It's up and running, but isn't able to connect to the internet. It just says "Connecting" in red. The message log says this - ...
4
votes
2answers
417 views

Have there been case studies of how anonymous bitcoins are?

The blockchain has a lot of information about all bitcoin transactions. I've heard a lot of conjecture about how anonymous bitcoins transactions are, but I haven't seen a scientific study. Are there ...
1
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0answers
69 views

How difficult is it to determine the owner of some bitcoins? [duplicate]

When Bitcoin was making the media waves back in 2011, a lot of it focused on the anonymity aspect of bitcoins, the hacks, and the illegal contents of the silk road onion address. From my limited ...