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79 votes
Accepted

If someone wanted to pretend to be Satoshi by posting a fake signature to defraud people how could they?

Unfortunately, given the public's limited of understanding of cryptography this is apparently an easy fraud to pull off. The key trick is that non-technical people are prone to believe things that ...
G. Maxwell's user avatar
  • 7,727
50 votes

Is there a 'BTC Refund Department'?

I have been scammed 6 months ago Then criminals expect you to be gullible and foolish. You are a prime target for them. So they'll try new ways to trick you. BTC REFUND DEPARTMENT No such thing. ...
RedGrittyBrick's user avatar
47 votes

How do I recover from a cryptocurrency scam?

How do I recover from a cryptocurrency scam? You don't. At least, you don't recover your money. I guess you recover by learning from the mistake and doing things more safely in future. It may be ...
RedGrittyBrick's user avatar
31 votes

Recipient has “not received” the Bitcoin I sent, but the transaction is confirmed

It's not completely clear what the situation is, but from what I gather it seems that you're the sender and the recipient is not acknowledging a payment you have sent. Given that you have already ...
Murch's user avatar
  • 75.7k
28 votes

Recipient has “not received” the Bitcoin I sent, but the transaction is confirmed

The address received 0.07014343 BTC in 3d727e3f4565e011c0348f813c2d5480210b6bae2003a0f7abaa949d1a7c599a. These coins have already been spent, so at the very least the recipient's wallet provider is ...
Raghav Sood's user avatar
  • 17.1k
22 votes

Should I continue using this Bitcoin Doubler?

It is definitely a scam. They typically pay people who paid in before with the payments of the people who pay in later. This is unsustainable and it will collapse leaving those who paid in later ...
Ava Chow's user avatar
  • 70.8k
22 votes

Recipient has “not received” the Bitcoin I sent, but the transaction is confirmed

This is mainly adding to @Raghav Sood's answer: A quick google search brought me here from which I found this: https://blockexplorer.com/ Searching your bitcoin address in this website gives ...
user13267's user avatar
  • 321
20 votes
Accepted

Bitcoin automatically diverted to bech32 address

I'm sorry to be the bearer of bad news: It looks like your funds are gone and the security of your computer is compromised. A quick google suggests that is one of the electrum phishing destination ...
G. Maxwell's user avatar
  • 7,727
20 votes

My BTC was stolen using my Blockchain pairing code

Blockchain.info pairing code allows you to sync wallets. For example, it's for when you have coins on your phone and you want to be able to spend them from your computer. So, they synced their wallet ...
MCCCS's user avatar
  • 10.2k
20 votes
Accepted

What is "buying hash rate" and how could it be profitable?

"Buying hash rate" is a synonym for a concept called cloud mining. In proof of work-based consensus systems, mining refers to a process of expending computational power to secure the network....
Murch's user avatar
  • 75.7k
19 votes

How do I recover from a cryptocurrency scam?

I'm sorry for your loss. As a 'tech person' reasonably informed about cryptocurrency, I concur that it is highly unlikely that you will ever recover any money. Some information about Bitcoin and ...
Bill Huneke's user avatar
11 votes
Accepted

Is it normal to be asked for an advance fee on a withdrawal?

Never pay to receive a withdrawal. If they wanted to send you money, they could deduct the fees from the sum they claim you own in your account. It's a common scam to be asked for money so that you ...
MCCCS's user avatar
  • 10.2k
10 votes

What are the most notable cases of Bitcoin scams?

Here all famous scammers/sites: List of Known Bitcoin Scams: Beware of Fraudsters! Bitcoin Scammers list
Pandit's user avatar
  • 191
9 votes

How do I recover from a cryptocurrency scam?

Short of having law enforcement and the legal system whose jurisdiction the scammer(s) reside in compelling them to return the funds, you are out of luck. Bitcoin transactions are irreversible. Once ...
Raghav Sood's user avatar
  • 17.1k
9 votes

Recipient has “not received” the Bitcoin I sent, but the transaction is confirmed

The Blockchain is the only truth At the time I wrote this, that transaction has 204 confirmations. That means it was absolutely definitely received. If the address is correct and the recipient says ...
RedGrittyBrick's user avatar
9 votes
Accepted

How to tell if a cryptocurrency exchange or trading platform is trustworthy?

Here's a few checks I'd advise anyone to do. Does it promise to earn you more than 10% profit in less than a month? If so it is a fraud. Does it make implausibly impressive claims like "SEC ...
RedGrittyBrick's user avatar
8 votes
Accepted

Onecoin vs Bitcoin

Bitcoin is sound technology, but somewhat hard to understand encompassingly. Due to the amount of money that is involved, numerous ponzi-schemes and other scams have sprung up in its vicinity. From ...
Murch's user avatar
  • 75.7k
8 votes

Should I start to buy OneCoin?

Onecoin is not only a scam it is a criminal organization. The have stolen a lot of money from their customers. http://rettit.no/mrbitcoin/index.php?title=OneCoinSCAM
Bjorn Bjercke's user avatar
8 votes

Should I continue using this Bitcoin Doubler?

Reductio ad absurdum: Let's say it works. Invest the equivalent of 1$ on Day 0. Day 1: you get 2$, let's reinvest them! Day 2: you get 4$, let's go on! ... Day 30: you get 1073741824$, i.e. in one ...
Basj's user avatar
  • 354
8 votes

Can we report a fraudster by their bitcoin wallet address?

Nope, sorry, there's no way to do this. The whole point of Bitcoin is it's censorship resistant, so there's no way to publicly blacklist addresses (although some exchanges have been known to spy on ...
Daniel Morritt's user avatar
8 votes

A person paid me with a fake check. How can I report a fraud?

You cannot do anything aside from trying to seek legal action. Transactions on the bitcoin network cannot be undone.
m1xolyd1an's user avatar
  • 5,656
7 votes

Why was giving someone else my 12 word backup a bad idea?

someone on blockchain support ask me to tell him my back up fund 12 word in order to reverse my bitcoin which was unconfirmed in my transaction Sorry to say, you were definitely scammed. You cannot ...
chytrik's user avatar
  • 18.3k
7 votes
Accepted

Someone else created a wallet for me to use. Is this a scam?

I was told once I login to change my password It is important you understand why this is a trick intended to deceive you. Wallets don't contain bitcoin. Wallets contain a "private key" - it ...
RedGrittyBrick's user avatar
7 votes

Is it fraud? Would banks ask for fees through bitcoin?

This is definitely a scam. Even if an activation fee was a legitimate thing, they would just charge that amount out of the amount you were going to receive - if you were to receive $1000 and the fee ...
Raghav Sood's user avatar
  • 17.1k
6 votes

Should I continue using this Bitcoin Doubler?

If the doubler worked for you, consider yourself lucky. These types of websites never work long-term; nobody can double money forever. If you continued to do that, the probability of you losing the ...
Karel Bílek's user avatar
  • 2,705
6 votes

Someone bought bitcoins via hacking my PayPal account, how can I retrieve the bitcoins?

That is not possible. By the decentralized design of Bitcoin, nobody has the ability to "cancel" the coins in an address held by someone else. I'm sorry you were hacked, but it is almost certainly ...
Nate Eldredge's user avatar
6 votes

Can you make profit from a miner?

Yes, this is a scam. The scammer has probably asked for your login info, so that he can 'set you up for mining'. In reality, mining does not work like this at all, the scammer simply wants access to ...
chytrik's user avatar
  • 18.3k
6 votes

Sugar Daddy Bitcoin

It is a scam. He wants to get you comfortable with a process he can exploit later by sending you larger sums and getting you to pay an accomplice most. Maybe in a week or a month he will say he wants ...
RedGrittyBrick's user avatar
6 votes

What is "buying hash rate" and how could it be profitable?

Although the particulars involve bitcoin, the central issue in this question is more of a Money SE question. You're being asked to invest in [industry], you just have to put up the capital, and [...
Acccumulation's user avatar

Only top scored, non community-wiki answers of a minimum length are eligible