Bitcoin

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5
votes
4answers
1k views

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

I was approached out of the blue being told that I was supposed to receive a sudden windfall, someone opened an automatic trading account in my name, or offered to invest in a lucrative mining ...
2
votes
1answer
2k views

I have lost my wallet, what can I do?

I used to be interested in Bitcoin a few years ago and have recently become aware of it again. I used to have a wallet back then. Given that many years have passed, what I remember is a bit fuzzy. ...
7
votes
1answer
602 views

Why is there no such thing as a redirected, forged, or fake transaction?

In the past, we had numerous questions about "fake" or "forged" transactions. Such transactions could supposedly be created even without holding any bitcoins, yet would end up in the mempool or even ...
24
votes
5answers
25k views

How do I recover from a cryptocurrency scam?

I lost about $45,000 to crypto investment scam just recently. The company posed as an investment company that could deliver a certain percentage in returns if you deposit your Bitcoin with them. At ...
1
vote
3answers
2k views

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

Someone on social media is offering me to mine bitcoin and they take 10% of any profit I make. I started talking and long story short I was told to download blockchain wallet app. They provided me ...
17
votes
6answers
32k views

What would happen if you send Bitcoin (BTC) to a Bitcoin Cash (BCH, aka BCC) address?

Could someone please explain what happens if someone sends bitcoin to a Bitcoin Cash address after the August 1st fork? Would there be a way to recover them?
42
votes
10answers
188k views

How to unstuck a low-fee transaction with blockchain.info?

I've sent a transaction from blockchain.info, but accidentally included too little fee. What can I do to cancel the transaction or speed up the transaction's confirmation? This is a complementary ...
12
votes
4answers
27k views

How to unstuck a low-fee transaction with Electrum?

I've sent a transaction with Electrum, but accidentally included too little fee. What can I do to speed up the transaction's confirmation or to replace it? This is a complementary question to Why is ...
62
votes
2answers
72k views

In the ASIC-age, is it worth starting mining Bitcoin at home?

I have recently learned about Bitcoin and would like to get rich quickly into mining. I have control of a laptop library full of ancient computers powerful gaming PC cluster of GPUs an old ASIC, I ...
36
votes
9answers
9k views

I am new to Bitcoin, how can I get started?

I am new to both StackExchange and to the new online currency called Bitcoin. I understand what Bitcoin is and how it works, but I was wondering: how do you actually get started with Bitcoin? I have ...
14
votes
9answers
496k views

How can I sell bitcoins and transfer the funds to my bank account?

A friend of mine gave me two bitcoins which I now want to sell. I don't understand the process which would enable me send the funds generated to my bank account.
157
votes
10answers
374k views

Why is my transaction not getting confirmed and what can I do about it?

I sent a transaction without (or with an exceptionally small) transaction fee using extremely small or unconfirmed inputs while the stars were not standing right. For whatever reason, I have been ...
16
votes
4answers
5k views

Cannot access my bitcoins because my wallet is still synchronising. What can I do to spend them immediately?

I have purchased bitcoins and have downloaded Bitcoin-QT, but my wallet is taking forever to synchronize to the network. I can't access my wallet because it is still in the sync process. I have the ...
6
votes
4answers
11k views

What can I do when the blockchain synchronization is stuck at a specific block?

I hadn't started/used my Bitcoin client for ages. Now, whenever I start the client, it is downloading block 135407 and does not progress past it. What can I do?
98
votes
17answers
222k views

How can I buy Bitcoin via a Credit Card or Paypal?

I want to buy some bitcoins. Ideally, I would like to buy them on the MtGox exchange (because the consensus seems to be that this is the most reputable exchange), however I have found the system for ...
14
votes
2answers
9k views

I didn't receive a Bitcoin Payment. What does it mean when the Client is synchronizing?

Bitcoin newbie here. I recently installed the Bitcoin client, and purchased some bitcoins from Mt.Gox. My problem is that my client is constantly synchronizing. I've checked charts and seen that my ...
126
votes
7answers
50k views

How do you obtain bitcoins?

This is a question many people ask when they're introduced to Bitcoin. Bitcoin sounds interesting, but if I want to use this system I will need to get some coins, otherwise, there's no way I can ...

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