Questions regarding the information that is leaked through cryptocurrency transactions or related processes, when subject to analysis and attempts of identification of sources and other properties.

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2
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1answer
5 views

How to make cryptocurrency easier for law enforcement?

I'm researching the topic of crypto currency and it's impact on society. It's often said that cryptocurrency is equivalent to cash, but that is clearly not true, since cash is very difficult to ...
3
votes
2answers
61 views

Will Confidential Transactions allow us to reuse addresses safely?

It is often said that, due to the natural transparency of the blockchain, one should have a multi-address wallet and try to not reuse addresses, so that the user's transactions are not so easily ...
0
votes
0answers
19 views

Bitcoin tumbler with low minimum

I usually use Grams' Helix for tumbling my coins, in spite of their relatively hefty fee. On their website, though, it says that there is a risk of losing your coins if you transfer less than 0.02BTC, ...
1
vote
1answer
47 views

What is the cheapest fee based bitcoin / altcoin mixing service to keep myself anonymous and from being tracked?

I purchased some bitcoins from Coinbase and I want to give them away to friends for their birthday this year, but what I'm afraid of is if they end up buying stuff on the dark web with it. Last thing ...
1
vote
1answer
36 views

How do Reusable Payment Codes work?

I've recently heard about "Reusable Payment Codes" (BIP 47), and it sounds like a great feature, except that I couldn't find a simple explanation of how they work. Can anybody explain them please?
3
votes
1answer
62 views

What's a good way to “swipe” all funds into a secure wallet while hiding common ownership?

I'd like to move all funds into a new, safe wallet. I could just send all funds to a new address in the destination wallet. That would disclose shared ownership of all source addresses, though. How ...
2
votes
1answer
24 views

What is the difference from coinjoin and a coinshuffle transaction?

Coinjoin and coinshuffle creates an anonymous transaction. But how are they different? And which services implemented these features?
2
votes
1answer
39 views

Are there any publications about deanonymizing Bitcoin?

At the Model United Conference I attend, there is a resolution proposed to de-anonymize BTC in order to cull Darknet transactions. I know it is impossible but how do i prove it to the other ...
0
votes
5answers
154 views

Is there any way to store personal data in a blockchain?

Generally everyone can see all data stored in a blockchain. Is there any way to handle private personal data like personal medical records which only right person can see?
3
votes
1answer
22 views

Why would a Tx's inputs not be assumed to be owned by a single service?

From question 3 in a project titled Blockchain: CSI (in what looks like a very cool class, run by University of Virginia!): Problem 3. The Heuristic 1 (Section 4.3) used to detemine sets of public ...
4
votes
1answer
70 views

As of today (2015-Nov) how many different anonymous type altcoins are there?

How many anonymous type altcoins are there out as of 2015-Nov? Also what were their release dates and community size? I'd like to get into an anonymous coin, but I'm unsure which one has the most ...
3
votes
1answer
24 views

Can an onlooker even learn anything interesting by de-anonymizing a transaction?

If people cannot see what exactly the items purchased are but they only see the transaction of funds in the blockchain, does anonymity therefore even matter? Unless you get associated with criminals ...
-2
votes
1answer
76 views

Safest way to store bitcoins [closed]

If i recieve some dirty bitcoins (large amounts ) which is the safest way to store them in an anonymous place and then convert them into dollars? Do i need a TREZOR?
0
votes
0answers
44 views

Can I anonymously self-publish books on Amazon and get paid in Bitcoin?

I want to publish the book under a pseudonym, or better yet, anonymously! I had been looking into Amazon Kindle Direct Publishing. I’d also like to use an anonymous e-mail address. Would it be ...
3
votes
1answer
83 views

Is there a service where you can generate public/private keys without anyone knowing? Like a tamperproof digital envelope

Is there a service where it generates a BTC address with public/private key, but no one knows it until someone pays a fee to reveal it? The idea is basically, some script or some other decentralized ...
2
votes
1answer
26 views

How does Transaction Remote Release work?

How exactly does TRR (Transaction Remote Release) work? What are the similarities (and differences) with the way TOR works?
3
votes
2answers
55 views

How to create both anonymity privacy and still achieve address reputation for merchants

In what way can a merchant create a payment address that will gain reputation of trust (this address or some information connecting with the payment request will gain reputation over time and will be ...
1
vote
1answer
55 views

Does bitcoin provide non-repudiation?

Bitcoin defines you need to sign the previous hash and the destination public key. By doing so, you assume that you transferred the money. That provides non-repudiation of the transaction to a given ...
0
votes
2answers
130 views

How to apply blockchaining to data?

I would like to apply blockchaining on unstructured data (any kind of data). I have seen BlockSign use similar concept to sign a document by storing a hash of the document in OP_RETURN block of ...
0
votes
0answers
12 views

What factors give Bitcoins “Anonymity” features a bad name? [duplicate]

Can someone pin-point the exact reason Bitcoin, the so called "anonymous" currency is non-anonymous? For example, in order to purchase a bitcoin you have to pay with either a credit card (traceable) ...
5
votes
4answers
6k views

How to buy bitcoins anonymously

I'm studying the Bitcoin system and I'm wondering if there's a way to anonymously buy Bitcoin. Is it possible to charge a wallet (e.g. with a credit card, PayPal account, by person, by snail mail, ...
2
votes
1answer
103 views

Are public keys and their corresponding hash values both added to a BitcoinJ Bloom filter?

The paper, On the Privacy Provisions of Bloom Filters in Lightweight Bitcoin Clients has this to say about Bloom filters in SPV: ...Indeed, in current implementations of SPV clients [BitcoinJ], ...
5
votes
1answer
332 views

Procedure for calculating taint?

I'd like to understand taint analysis quantitatively. Blockchain.info offers a service that will calculate taint, but I've found no good explanation for how taint is calculated. The best (and only) ...
7
votes
0answers
47 views

Bitcoin privacy metrics?

I'm looking for a numerical privacy scoring system that estimate the degree of linkage between the members of a key pool (or even just individual key pairs). Ideally, the method should be easy to ...
2
votes
1answer
220 views

Alternative to run Bitcoin over Tor

I know running Bitcoin over Tor isn't a good idea: Bitcoin over Tor isn’t a good idea. My question is: there are any alternative to hide the IP to the network safely? Using a proxy, if you don't full ...
3
votes
3answers
493 views

Can same private key generate multiple addresses?

Is this possible using some clever bitcoin script? The intention is to get more privacy. I can give different addresses to different people still no one can guess how much I make in total. I can do ...
0
votes
1answer
302 views

Some newbie questions about bitcoin transactions and anonymity

I am totally new to the Bitcoin thing and have installed Electrum yesterday after having read a lot of reviews on different local wallet options. I am not really planning to use it yet, but I want to ...
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votes
1answer
211 views

How do I chose the address to send to in Electrum? Can i send from a new made address with no transactions? [closed]

How do I chose the address to send to in Electrum? (for Electrum) Can the seed recovery mechanism in Electrum be bruteforced? 2.1. Since any seed makes some especial addresses (correct me if i'm ...
1
vote
0answers
47 views

Proper use of mixing service

Everybody knows that bitcoin blenders anonymize your coins but shouldn't you follow some precautions for your mixing to be effective? I suppose that mixer is fair (it won't steal your money and does ...
1
vote
0answers
694 views

bitmixer.io usage

I am somewhat confused by the bitmixer.io site. I can enter the Adress, where I want to send bitcoins to, but I have no idea how to go from there. How can I send bitcoins into the service? Can anyone ...
7
votes
4answers
2k views

Best way to mix bitcoins? mixer, coin join (shared send), dark wallet, stealth addresses?

When you want to anonymize a few hundred BTC, what would be the best (safest) way? I can think of these alternatives: Deposit to and withdraw from exchange (like Kraken, Bitstamp, etc)Pros: ...
2
votes
1answer
71 views

How does Darkcoin achieve anonymity without centralisation?

Darkcoin is supposedly completely anonymous. How does this work without any centralisation? Is there one person with all the transactions and only they mine?
3
votes
3answers
144 views

Preventing the exposure of public addresses on a website

Rather than having a single, fixed address, I want to generate a new address on my website every time a user request comes in. I'm concerned about google or another web crawler indexing my website ...
3
votes
2answers
82 views

Remove address from sequence in HD wallet

Is there a way to eject an address out of the sequence of an HD wallet? Lets say an address was used for a political donation to a regime in Namibia that may get international condemnation a few ...
3
votes
4answers
731 views

HD wallets and address reuse

HD wallets create a series of addresses, and then when one address has received an input it will give you a new address that hasn't received inputs yet So in the idea of you sending yourself bitcoin ...
1
vote
2answers
165 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
0answers
82 views

How do coinjoin and sharedcoin work? How to make it make it hard to pinpoint bitcoin sender wallet [duplicate]

I would like to implement a way for bitcoin transactions to be untraceable. EX. user1 on my site wants to send bitcoins to user2. How would I go about mixing the coins so user2 doesn't get user1's ...
1
vote
1answer
104 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
votes
1answer
55 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 ...
3
votes
2answers
138 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
votes
1answer
80 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
93 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 ...
1
vote
1answer
116 views

colored coin possible with ring signatures and stealth addresses?

It is understood that colored coin is possible with stealth addresses, but what about ring signatures such as how they are used in the cryptonote protocol (Monero, Bytecoin)? I feel like coloring the ...
3
votes
1answer
114 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 ...
15
votes
4answers
3k views

Are 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 ...
0
votes
1answer
111 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 ...
5
votes
1answer
649 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 ...
6
votes
1answer
225 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
votes
3answers
149 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
vote
0answers
49 views

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

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 ...