Fraud is the use of intentional deception for financial gain.

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3
votes
1answer
49 views

What does it mean to say that Huobi “self-match” trades?

A reddit post claims that Huobi is faking trade volume by "self-matching" trades. What does it mean to say that Huobi "self-match" trades?
6
votes
1answer
434 views

How does BitCoin prevent fraud during confirmation period?

I'm trying my best to understand how bitcoin works and while I've grasped the basics, there's a lingering question: What's to stop me from spending my bitcoin multiple times during a confirmation ...
0
votes
1answer
54 views

What precautions should i do to avoid being scammed for Bitcoins?

I am a modest follower of Bitcoins and other Altcoins though recently i was scammed by few fake and fraudulent online buyers in a few days time when trading for Bitcoins.I never been scammed for any ...
2
votes
2answers
159 views

What other currencies have same malleability vulnerability as Bitcoin? [closed]

Malleability of Bitcoin protocol has contributed to major losses and represents uncomfortable risk to Bitcoin investors in addition to possibility of 51% attack that depends on promise of biggest ...
0
votes
1answer
520 views

I have received 0.00000001 BTC random payment and the status symbol is a pentagram? [closed]

I have received 0.00000001 BTC random payment and the status symbol is a pentagram? Am I being used to tumble someone's stolen coin there are a lot of other wallets in the transaction?
5
votes
2answers
1k views

Creating a fake transaction

AttackerAlice has a BTC Wallet with 0 BTC. AccompliceBob has a BTC Wallet. Is it possible to transfer 100 BTC from AttackerAlice to AccompliceBob? Suppose a BadMiner accepted this as a valid ...
-1
votes
2answers
258 views

sent 10 bitcoin but transaction shows 30

I have a problem with transactions and I hope you can help me. On 9.11.13 I sent only 10BTC from my computer wallet to wallet in blockchain, (i am not talking here about the first transaction on ...
3
votes
2answers
385 views

Longer fake block chain with “valid” transactions

What is preventing the bitcoin client from switching to a fake block chain that would be longer that current official chain? The faked chain would contain fictional transactions, but within the faked ...
11
votes
6answers
13k views

Did I just get defrauded by Coinbase?

I bought 10 bitcoins, 4.5, and .4 on Oct 18/19 @ around $150-160. On Oct 24, within almost the hour that the coins were supposed to arrive, I receive the following email for all 3 transactions: ...
0
votes
1answer
86 views

What are the (non-escrow) methods people are using to minimise bitcoin transaction fraud?

Direct peer-to-peer bitcoin transactions are irreversible; and relying on a centralised escrow or reputation service for fraud protection is contrary to bitcoin's decentralised philosophy. What other ...
-1
votes
1answer
202 views

Somebody illegally took bitcoins from bitmit.net wallet. Can I get them back? [duplicate]

Bitcoins hacked on bitmit.net Hacker/scammer bitcoin address - 13nPWDB4vGQfJWD9DnEC5DUx3y1Qn8ScPN 4.59295734 13nPWDB4vGQfJWD9DnEC5DUx3y1Qn8ScPN 2013-08-23, 09:51 pm Confirmed Bitmit, please get my ...
1
vote
1answer
487 views

Is Bitcoin Hong Kong Exchange a legitimate trading platform?

I've think the Site of BTCHKEX appears fraudulent to me. Has anyone dealt with them? Thanks.
1
vote
1answer
80 views

How is a Transaction protected from tampering before inclusion in a Block?

Using the terminology from: https://en.bitcoin.it/wiki/Protocol_specification#tx What prevents an attacker operating a rogue client from replacing the tx_out[] of a transaction with values that ...
4
votes
3answers
310 views

What are ways a BTC Exchange could steal from its customers, and how can they protect themselves?

Mt Gox is the dominant Exchange that handles BTC to USD conversions. Given the recent spike in price, and that Mt Gox is the primary exchange that publishes this price, it's conceivable that a second ...
-1
votes
1answer
169 views

How do we prevent the Test network from being misrepresented as production?

I'm concerned that people new to Bitcoin may not be aware that the test network exists, and the new users will end up "paying" for Bitcoins that are essentially worthless. What protections are in ...
7
votes
2answers
929 views

Which payment processors do not allow for chargeback?

I would like to receive a payment for selling my bitcoins. I don't trust the person much, so I will ask for money in advance. However, I'm not sure which payment processors could I use for such a ...
9
votes
3answers
317 views

How can I assure my consumers they are actually paying the correct person? (prevent MITM attacks)

There are many network level attacks that give someone Man in the Middle ability to replace my Bitcoin address with their own. Since there is no way to cancel a transaction, and the best practice ...
14
votes
4answers
5k 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 ...
5
votes
1answer
516 views

Is it possible to recognize conflicting 0-confirmation transactions with the Bitcoin client or other available software?

Is there already a way to detect conflicting 0-confirmation transactions? I'm assuming at least one transaction goes to my wallet. I would expect the client to list the transaction as conflicting but ...
12
votes
7answers
2k views

Can Bitcoin help people commit money laundering?

I don't have enough knowledge pertaining to the Bitcoin mechanism. Can Bitcoin help people commit money laundering?
5
votes
2answers
368 views

How to perform a double spend attack in websites that accept transactions with 0 confirmations?

To perform a Finney attack or a 51% attack I need to have lots of computational power, but in this case (a website that accepts transactions with 0 confirmations) it seems to me that I only need to ...
-1
votes
1answer
272 views

Fraud Detection & Prevention

What are controls that are in place to detect and/or prevent fraud within the bitcoin system? Are there any know exploits, or potential threats to the system?
17
votes
4answers
749 views

Are there any fundamental security vulnerabilities in Bitcoin?

Although Bitcoin does its best to prevent double-spending, could it still happen in practice? Is it just very unlikely that fraud could happen, or is there a mathematical proof that it could never ...
15
votes
6answers
1k views

Is Bitcoin a scam?

Adam Cohen of SeatGeek called Bitcoin a "scam". Other people have compared Bitcoin to a Ponzi or pyramid scheme. Can Bitcoin be considered a scheme to defraud people?