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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
9 votes

What are checkpoints?

Update on this as of time of writing, just to clarify more specifically upon the other answer: dependence on checkpoints in the security model has been significantly reduced, they are only used in one ...
meshcollider's user avatar
  • 11.9k
6 votes

Why can bitcoins never be refunded unless the receiver agrees to send back the money?

Bitcoin is like cash: You don't use an intermediary. If you send money to someone, they got it. The only way you can get is back is to make them hand it to you. If there is no intermediary, you can't ...
UTF-8's user avatar
  • 3,224
6 votes

How can an unconfirmed transaction be removed from the memory pool?

Try the removeprunedfunds RPC command. It deletes the specified transaction from the wallet. … This will effect wallet balances.
Geremia's user avatar
  • 4,704
5 votes

I transfer bitcoin to someone i don't know ,

how could i get back the money? You can't. Bitcoin transactions cannot be reversed, cancelled or undone. [I transferred] my bitcoin to someone I really don't know If you have contact details for ...
RedGrittyBrick's user avatar
5 votes
Accepted

Bitcoin Fraud/Recovery Protocol Proposals

The question is framed in a way that does not align with reality. Does Bitcoin plan to implement any Fraud/Loss Prevention in their protocol? Bitcoin doesn't exist as a person, corporation or other ...
RedGrittyBrick's user avatar
4 votes

How to get my bitcoin back

Unfortunately, there is no way to get it back. Once it is sent and confirmed into a block, it is permanent. Best hope is that the address belongs to someone and they send it back thinking it was a ...
MrV's user avatar
  • 310
4 votes

Refund a transaction send twice

You cant do basically nothing from your end, as you have lost the control of those bitcoins. One thing that you can do is to ask the recipient of the transaction to refund. If he refunds you will get ...
jgm's user avatar
  • 758
4 votes

Is it possible to cancel an unconfirmed transaction?

From the help of the console : abandontransaction "txid" That will tag the transaction as abandonned "abandoned": true After that, you can reselect the input(s) to send it with higher fees ...
Tanguy's user avatar
  • 141
4 votes

I WAS SENT BITCOINS IN A WRONG ADRESS ( the last digit is missing in the adresse )

355CXardXvii8T4MNbBaQbfJD7YQNdUf5 is not a valid address. It is not possible to send anything to it. Who is the "sender" and what did you give them in return? This smells like a scam to me, ...
Pieter Wuille's user avatar
3 votes

Bitcoin Fraud/Recovery Protocol Proposals

Does Bitcoin plan to implement any Fraud/Loss Prevention in their protocol? "Bitcoin" doesn't plan anything. It's a network of software nodes run by individual operators, who each decide ...
Mark H's user avatar
  • 3,334
3 votes

Undo a transaction to a wrong adress

Undo a transaction to a wrong adress Bitcoin transactions cannot be undone. I made a transaction to a wrong adress. That is usually hard to do because standard addresses have checksums. If you sent ...
RedGrittyBrick's user avatar
3 votes

How can I reverse a Bitcoin transaction mistakenly sent to the wrong address?

Firstly, Bitcoin Cash is not Bitcoin. Secondly, neither Bitcoin nor Bitcoin Cash have any sort of central authority or way to reverse/refund transactions. This is completely intentional - all ...
Ava Chow's user avatar
  • 70.9k
3 votes

How do I get my bitcoins back if they got sent to an incorrect address?

You appear to have caught some malware that replaces Bitcoin your addresses with their own when copy-pasting one. You'll probably want to look into removing the malware from your computer. Meanwhile, ...
Murch's user avatar
  • 76k
3 votes

How long does it take for an unconfirmed transaction to reverse?

There is no estimated time, and in fact this transaction can potentially get confirmed at any moment, though the less likely the lower the transaction fee was. To fully revoke it, create another ...
ranchalp's user avatar
  • 567
2 votes

can I recover the change of a TX?

Your wallet software will handle all of this for you. Your wallet software generated the change address and stored its private key. When you want to spend more Bitcoin, it will still know about the ...
Ava Chow's user avatar
  • 70.9k
2 votes

Is it possible to reverse a confirmed transaction?

No, a confirmed transaction can not be reversed.
0xb10c's user avatar
  • 1,440
2 votes
Accepted

Reversing network hashpower

In theory, this attacker owns enough computing power that they could execute a "double spend" attack. They could spend coins in one place, allow the coins to enter the block chain as normal until the ...
Haseeb Saeed's user avatar
1 vote

I WAS SENT BITCOINS IN A WRONG ADRESS ( the last digit is missing in the adresse )

Seems like scam to me too. Nevertheless the transaction does not go through as long as this is not a valid address. BTW you should not post the real address here...
zerotobtc's user avatar
  • 323
1 vote

Reversing network hashpower

An attack can only be launched when the attacker have more than 51% computational power.
user61135's user avatar
1 vote

Are sellers more vulnerable to fraud than buyers when doing business?

My interpretation is more that, since sellers are the ones receiving money, they are the ones who stand to be protected by an improved and non-reversible payment system. I don't think Satoshi ...
Nate Eldredge's user avatar
1 vote

Can I revert a transaction by removing it from the receiver's mempool?

It doesn’t work that way. Your transaction resides in mempools of other nodes of bitcoin network. Mining nodes take the transactions to the block from their own local copies of mempool. Deleting this ...
Michał Zabielski's user avatar
1 vote

Can I cancel a transaction that has not been successfully broadcast yet?

As mentioned: double spend it if you still can. And when you do that dont forget to put a high enough fee (10 times the auto-calculated one for instance just to be sure, will only be a few cents ...
l1b3rty's user avatar
  • 378
1 vote

Can I cancel a transaction that has not been successfully broadcast yet?

I did a trick back in the day when I send btc I did not mean to. If you have a backup of your wallet then load this up on a new machine and u can send the coins from that address to another, thus ...
Fuzzybear's user avatar
  • 467
1 vote

I want to block my transaction

If the transaction has been confirmed there is nothing to do and that is probably your situation. If not (due a small fee) then you can pay yourself with a higher fee to "block" the previous one.
Josu Goñi's user avatar
1 vote

Refund a transaction send twice

You've signed over the bitcoins to your trading partner. If you have any contact details, you can try to explain the situation to them and request that they return the unintended payment. As there ...
Murch's user avatar
  • 76k
1 vote

How can a Bitcoin consumer and a Bitcoin seller mediate disputes?

I'm pretty knowledgeable about arbitration and mediation (collectively known as "alternative dispute resolution" or "ADR"). I'm not an arbiter, mediator, or attorney, but I am someone who uses ...
Matthew's user avatar
  • 11

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