9 votes
Accepted

clustering addresses, what's the most effective way?

Are there any others that are particularly effective? Yes, if you know what wallet was used and if its transactions have distinguishing features. For example, multisig wallets usually use p2sh change,...
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  • 736
6 votes
Accepted

Understanding IP address tracing via Bitcoin Transaction

If an entity runs a large amount of relay nodes on the network, they could figure out which of their nodes was the first to see a transaction, and which peer that transaction came from. That does not ...
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  • 8,724
6 votes

Understanding IP address tracing via Bitcoin Transaction

I find that claim (tracing the IP address of a transaction) highly suspect as transactions don't have an IP address associated with them. Once a transaction has been broadcast, it is incredibly ...
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  • 61.3k
6 votes

Bitcoins missing following wrong bank account number entered

I believe you are undoubtedly the victim of a scam. It is extremely unlikely you will be able to trace the money to any identifiable individual. Bitcoin is designed to make this very difficult. I ...
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5 votes

buying bitcoins with debit cards that are not mine

I have a couple of friendswho want to purchase bitcoin, I would buy the bitcoins for everyone, that is why I have all of their card and personal info. I wanted to use a single wallet (mine) and then ...
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  • 17.3k
4 votes
Accepted

Does Segwit mean easier government monitoring?

No, that's completely wrong. There is absolutely no anonymity benefit to third-party transaction malleability. Third-party transaction malleability makes use of a symmetry in ECDSA signatures that ...
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  • 63.3k
4 votes

Is there any central management of public and private key pairs in blockchain?

No, there isn't. Bitcoin has no central management of anything at all. Public keys are pseudonymous and in general it may not be possible to identify the user to whom a public key belongs. A ...
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4 votes

Zcash t-addr + z-addr transactions

tl;dr You should use rounded values of ZEC when unshielding, and even then you will have less privacy than if you only use z-addrs. We address this exact question in this blog post (images from which ...
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  • 320
4 votes
Accepted

Is it possible to trace bitcoin ATM withdrawals?

That would depend on the owner/operator of the ATM, and your relationship with them. Normally, you will need to register with a Bitcoin ATM company in order to use their machines. This is so that ...
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  • 8,724
4 votes

Is it possible to figure out whether two addresses are in the same wallet?

There is no way to prove in the protocol that two address belong in the same wallet when you send from address A to address B in your wallet. Of course, if you are using some kind of online wallet ...
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4 votes

Procedure for calculating taint?

I think I have an answer. It's not clear if this is how blockchain.info does it, but I'm not sure it matters, either. Taint is very similar to the everyday experience of diluting a liquid. Imagine ...
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  • 2,226
4 votes
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What is bitcoin ID?

The paragraph you copied from the Bitcoin wiki is imprecise. Transactions result in transaction outputs that usually are associated with specific addresses. I.e. there is a balance of bitcoins ...
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  • 63.3k
3 votes

Does Bitcoin Core leak private information during synchronization without Tor?

Nope, don't worry. The nodes you have connected only know that your IP address has downloaded the blockchain, but the transactions you'll make in the future won't contain information specific about it....
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3 votes
Accepted

Can a transaction have more than one recipient?

Yes, this is possible. Although most consumer wallets will probably not do that, they're simply meant to scan one QR code, send some coins to that address and return the remainder to a change address ...
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  • 6,189
3 votes
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"Dirty" Bitcoins/Find Bitcoin origins?

The tool for complete history of all bitcoin minted already exist and its called blockchain. You can see all history here (random transaction selected) https://blockchain.info/tx/...
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3 votes
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Can one trace a criminal with his Pubkey?

Knowledge about his addresses and transaction history will be sufficient to discover addresses with which he made deals. His Private key will not help. This is the consequence of public ledger. The ...
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3 votes

Why should I use a Bitcoin Mixer?

Using a mixer helps preserve your financial privacy. The question is: who are you protecting your privacy from? Bitcoin transactions are public record, so anybody can view any historical transaction ...
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  • 17.3k
2 votes

How do I trace a bitcoin transaction to find its location in the world

The Bitcoin blockchain does not have any concept of location, nor could such a thing be added to it. There is no such thing as "tracing a transaction" in a corporeal sense. If you had a ...
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2 votes
Accepted

Reverse wheresgeorge.com for BTCs

Actually, yes, this is possible. However, your payment output might get split or combined with other payment outputs in later payments. Therefore, the graph will be less linear than you suggest: ...
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  • 63.3k
2 votes

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

Even if you use a mixing service it is not guaranteed that the link between the two+ addresses will disappear. Actually, as far as I know it cannot be guaranteed by any mixing service, decentralized ...
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  • 2,204
2 votes

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

I think you're looking for a "mixing" service (I've also heard it called "tumbling"). The idea is you mix your coins with those belonging to others, and send the output to new addresses in new ...
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  • 355
2 votes

How to identify the owner of a Bitcoin address?

First off, I'm glad you didn't send money as that often does not help in these situations. As for tracking the attacker through their bitcoin address, I'm sorry to say but most likely that is not ...
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  • 682
2 votes

If Bitcoin is traceable, how bitcoin scams are exist?

Bitcoins can be exchanged to dollars in questionable exchanges like BTC-E or LocalBitcoin. These exchanges are not interested in the source of Bitcoin, do not co-operate with authors (police) and thus ...
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2 votes

Loyalty programs for Bitcoin transactions

The difficulty with such a scheme would be identifying the customer. Certainly, the loyalty program operator can monitor incoming transactions to addresses registered by participating merchants. But ...
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2 votes

Receiver email address

No, an email address cannot be obtained from a Bitcoin address. Addresses can be generated on an offline PC by someone living in a desert who doesn't even have an email address. Most wallets won't ...
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  • 3,144
2 votes
Accepted

Whose to stop the coinbase devs from just draining all accounts and running of with the money?

The same kind of business trust and legal things that let an exchange or a bank running I suppose. There have been exchanges doing what you said in the past, and they have gotten the same legal ...
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  • 2,381
1 vote

Can hackers behind the ransomware WannaCry be traced through bitcoin transactions?

Can hackers behind the ransomware WannaCry be traced through bitcoin transactions? no, if they are smart enough Is there is central server of bitcoin no where all transactions can be looked ...
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  • 6,592
1 vote

how transactions of an address traced in BTC?

A seed defines a collection of private keys, which in turn generate addresses. Source: What's the difference between a seed (12 or 24 words) and a private key? You can trace every transaction ...
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1 vote
Accepted

How can I find a digital forensics expert to help trace stolen bitcoins?

I'm not sure of the existence of a directory of experts by physical location since Bitcoin is a digital currency. Elliptic is a blockchain intelligence company identifying illicit activity on the ...
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  • 120
1 vote

Really are Bitcoins untraceable?

All bitcoin transactions are actually traceable by protocol definitions. Basically the blockchain is a long list of all the transactions throughout the history of bitcoin. The problem arises when ...
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