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Questions tagged [theft]

Any question relating to theft of bitcoins from a wallet (excluding scams - which has a separate tag)

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1answer
25 views

In the case of a criminal investigation, how does one knows which exchange or wallet service a bitcoin address belongs to?

How it was found that the Dao hackers used shapeshift? In a more practical exemple, how to find that 13qCK9VzJCicXeh47W59rh7A6tfun92Sr5 belongs to https://www.blockchain.com using only block explorer ...
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0answers
28 views

Upon sending remaining wallet contents emptied? [duplicate]

Three addresses involved in this TX. Address A: My Wallet Address Address B: Recipients Wallet (Coinbase) Address Address C: Unknown! These are not the exact numbers but the transaction went like ...
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1answer
47 views

Missing btc in personal wallet [closed]

I am missing BTC in my personal copay wallet. https://live.blockcypher.com/btc/address/1HJKHvzxRjKFDcHopyLqLgL3RhWAGipgYY/ https://live.blockcypher.com/btc/tx/...
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1answer
86 views

Someone have stole my BTC

Someone have stole my BTC is anyway to recover my BTC amount. I use Copay wallet and someone from Russia has loged in my account and transfered to other account all my BTC. Is anyway to recover my ...
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0answers
53 views

Someone has sent money to my wallet, then got them back with everything else in a wallet

I had about 0.02 bitcoins in my wallet for couple of years, but when I've started bitcoin wallet last time I've found out three transactions (two incoming and one outgoing), which I've never ...
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1answer
46 views

transaction that was included in a block without my permission

After requesting for bitcoin it automatically sent to my blockchain wallet after that it was then sent out without my permission again to another address and it never arrived in my final balance but ...
11
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2answers
2k views

How do you derive the private key from two signatures that share the same k value?

I wrote my own ECDSA signature algorithm just for the purpose of creating unit tests. With it I created two signatures which went into transaction 56ec7ca7df..., sending from 1GXFXm3es.... These ...
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2answers
60 views

What prevents broadcasting of fraudulent transactions

I see a lot of questions and articles about why someone can't generate fake coins, maliciously attack the network, and essentially security discussions focused on the generation and interception of ...
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1answer
81 views

Hypothetical, is it possible to retrieve stolen blockchain currency?

It is my understanding that blockchain technology is decentralized meaning there is no middle man in transactions. This seems like it has benefits but it also has downsides. When necessary, middlemen ...
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1answer
94 views

Has there been any cases of bitcoin being stolen without getting access to the owners private key?

With this question I want to exclude cases where someone is fooled to send BTC to a person (e.g. because social engineering or malware on their PC). I have seen some arguments in comments to this ...
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2answers
2k views

BTC Stolen from Blockchain

My bitcoin is stolen and following is how it happened? A guy named, "David Robin" from Fremont,California US (obviously a fake one), connected in a social network told me that I can mine for bitcoin ...
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3answers
194 views

How can Bitcoin be stolen?

If each bitcoin has a ledger (Peer to Peer) and contains all the transaction history since it was mined, then how come it can be stolen? For example, Bitcoins were stolen by hackers from Mt. Gox. If ...
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0answers
39 views

Anyone concerned that, by individuals getting rich too fast, crime towards cryptocurrency holders will also increase? [closed]

Given the potential for such a gigantic paradigm shift, something so accessible and so global could displace enormous amounts of value to large groups of people that previously had very little capital....
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1answer
227 views

Bitcoin Stolen from Wallet, where do I stand?

I had 4 coins on an old laptop and went to move them to a new wallet only to find out they had all been removed and sent elsewhere in 2014. To: 1KM6rLnwgD67wRdMx9aVLRf1gfoNyCyv7Q Debit: -3.93584800 ...
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2answers
286 views

Where did my money go after I sold bitcoins to BitZIZ into PayPal?

I am new to this and hate it. I had $2340 in US dollars to sell in bitcoins. I needed the cash desperately for rent and car payment and food, so went through BitZIZ to deposit the money into my PayPal ...
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1answer
391 views

Tracking the wallet owner of stolen bitcoins [duplicate]

Hello Recently my bitcoin wallet was hacked and the money was transferred out into another bitcoin wallet. Is it possible to track and find out the owner of this wallet
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1answer
51 views

What prevents real-life robberies in the hypothetical future where Bitcoin is widely used?

What prevents the following real-life robberies from happening in the future where Bitcoin or similar cryptocurrency is widely used? Robber A goes to an infrequently-visited street vendor and buys a ...
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0answers
662 views

Stolen Bitcoin from Blockchain

I looged in to Blockchain via the smart phone app and chose send btc. Selected send all included fee. I did not enter any recipient address. Received message that bitcoin address was incorrect. ...
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1answer
288 views

Bitcoin's disappeared from unused wallet

wondering if I could get some help from you experts on something that has been bugging me for a bit. I found an old bitcoin wallet I had forgotten about. You can see its information here. I was ...
18
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6answers
6k views

Why can't we fight Bitcoin thieves by not accepting payments from hacked accounts?

Why won't we simply stop accepting payments from hacked accounts? We know their public addresses, right? Sure, hackers still will be able to compromise user's accounts, but at last that money won't be ...
0
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1answer
130 views

Who is liable my case or is it a classic hack?

Recently i purchased a Bitcoin from BITX, the South African Exchange for bitcoin. I purchased 28 Bitcoins from BITX. When they sent me the 28 Bitcoins to my Blockchain iOS app, the Bitcoins were in my ...
11
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1answer
1k views

The incident with 92 billion bitcoins

There is a documented case from 2010 when a block with 92 billion bitcoins was discovered. The bug was found and software was patched within 5 hours and everyone had to "hit the load button" to an ...
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1answer
288 views

Is it possible to use Selfish Mining to steal bitcoins?

Is it possible to use the Selfish Mining algorithm to steal bitcoins?
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1answer
62 views

If Bitcoin is not stolen from an address for some months does it suggest that malware did not capture the key?

Some months ago, using bitaddress.org (offline but using my normal operating system), I made a key pair, copied the key and address to paper and stored a small quantity of Bitcoin at the address. ...
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1answer
5k views

How can hackers cash out stolen bitcoin?

I've read about a lot of Bitcoin Heists and Thefts: from hackers that stole bitcoin from Exchange (Due to their poor security measures) or from Bitcoin users, to scam websites and so forth. Some of ...
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2answers
123 views

How could BTC be used and transacted on a daily basis without physical theft?

I just feel a gaping hole in my logic, or maybe a duplicate question, so I'm prepared to quickly remove this question. I was wondering how theft could be prevented in an economy that relies primarily ...
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1answer
504 views

How can somebody steal the Genesis block?

So I read on bitcointalk the other day that there was a new coin about to be released (woo hoo right?!) and then they posted that somebody had stolen the genesis block. What exactly does that mean? ...
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3answers
787 views

Bitcoin theft from Coinbase account being hacked

Not sure anything can be done, but I want to know how they did it and to prevent them using the coins if at all possible. Here are the details of the theft. You just sent 0.8495 BTC (worth $604.46 ...
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1answer
235 views

Trace and contact bitcoin thief

My btc-e account was hacked (or my passwords stolen from my computer). I was able to make screenshots while they were withdrawing my bitcoins. So i have the btc wallet adress where the money went to ...
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1answer
320 views

How to protect against wallet theft?

Let's say I run a Bitcoin client on a computer (Windows, but the question can apply to other O.S.es too), and I want to make sure nobody steals it. I'm especially concerned about situations where ...
5
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1answer
852 views

How do I recover Bitcoins from a Change address that is in a corrupted wallet?

I am running Bitcoin-Qt for Mac 0.8.1 beta I received a "wallet.dat corrupt salvage failed" error and the client refused to launch. I replaced the wallet.dat with a backup made a few hours earlier ...
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2answers
202 views

Catching thieves: Network Jury? Account blacklist? Additional TX script commands? [closed]

When someone steals 25,000 BTC from a single user, everyone on the network can just watch the coins move around the public ledger, but no one can do anything about it. Can't we do something about it? ...
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1answer
152 views

Bitcoin HEISTS: Has USD, EUR, etc ever been stolen from an exchange?

Many bitcoin exchanges allow users to store two balances: one in bitcoin and one in a fiat currency like USD. This is convenient because it allows one to trade in and out of the bitcoin market ...
6
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1answer
382 views

In Ripple, when an IOU is defaulted upon, who gets hurt?

Let's say there are five people. Alice <-> Bob <-> Charlie <-> David <-> Eve Each of them trusts the person next to them. For instance, Charlie trusts Bob and David, but not Alice or ...
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2answers
439 views

In case of physical wallet theft, quickest way to offload funds in wallet backup?

Assume one makes a secure online backup of their wallet and then their laptop or device that has it is stolen. For the sake of argument assume that the thief watched the user type their wallet ...
6
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1answer
628 views

How much Bitcoin was lost in the Jul. 2011 MyBitcoin site shutdown incident?

https://en.bitcoin.it/wiki/MyBitcoin How much money was lost when it shut down? (You can also edit the wiki page and add this info). Best estimates of course.
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1answer
1k views

What happens if my wallet gets “hacked” and my BTC is stolen?

What if my wallet gets hacked and the hacker transfers all BTC to his account? Is there is any way to get it back, or to open a dispute to specific address or anything else?
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2answers
1k views

After being scammed, has anyone ever actually managed to recover their BTC?

Like real world cash problems, we know that scams happen in the Bitcoin community at least as often if not more often for a variety of reasons (oversight, regulation, standards of security, street ...
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1answer
1k views

How is all this bitcoin theft happening?

When reading many stories about bitcoin theft, what is the usual gist? Dont most of these hackers get digital wallets that are encrypted? How do they make use of it, crack it...or its not encrypted at ...
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3answers
14k views

Why is Bitcoin so susceptible to credit card fraud?

I understand that you can't buy Bitcoins with a credit card due to massive fraud problems involving chargebacks. Why is Bitcoin more susceptible to this then the thousands of other businesses that ...
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3answers
5k views

Can one safely buy vanity addresses from a third party without risking one's coins from being stolen?

One can easily generate vanity addresses for Bitcoin, but they can take quite awhile to generate. Outsourcing that process to someone with a strong mining rig is an option, but then one runs into the ...
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2answers
731 views

What are the most notable cases of Bitcoin scams?

Bitcoins can be easily used to scam people out of their money due to the inability to perform charge-backs. What are the most notable cases of Bitcoin scams that are known?
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3answers
244 views

Have there been cases of traditional money theft from Bitcoin exchanges?

There have been a number of cases of thefts or losses of Bitcoins from a few Bitocoin exchanges, but has there ever been a case of traditional currency being stolen or lost by an exchange?
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1answer
207 views

Is bitcoinica.com planning to reopen after the 11th May 2012 theft?

On 11th May, 2012, 18,547 BTC were reported stolen from bitcoinica.com as stated here: https://bitcointalk.org/index.php?topic=81045.0 The bitcoinica.com website is unresponsive at the time of ...
5
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1answer
2k views

When MtGox was hacked on 15th June 2011, how many bitcoins were actually stolen?

When MtGox was hacked on 15th June 2011, how many bitcoins were stolen? I remember at the time that news articles reporting the incident talked about the size of the sell order the hacker placed ...
2
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1answer
798 views

What are the most notable cases of coins or wallet thefts?

What are the most notable cases of coins or wallets being stolen from Bitcoin users or services? When did they occur, how many coins were stolen and has any of the thieves been identified?
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2answers
2k views

What is the story behind the “Linode problem”?

What is the story behind the "Linode problem"? How did the service become compromised and what has exactly happened because of it?
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1answer
208 views

What are the most notable attacks on pools?

Since Bitcoin's inception there have been several attacks on mining pools. There was the Linode problem, where some 46,000 BTC were stolen from pool accounts. What are some other notable attacks on ...
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1answer
170 views

Is there any way to measure relative occurrences of wallet theft over time?

Soon after Bitcoins became valuable enough to be worth stealing, I started seeing news about viruses/malware that steal Bitcoin wallets. Presumably, wallet encryption has reduced the level of this, ...