Questions tagged [doublespend]

This tag should be used for questions related to double spending. Double spends are when a money is spent more than one time. This is considered a form of fraud.

17 questions with no upvoted or accepted answers
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How to ignore balance check to cancel unconfirmed transaction (double spending)

I need to cancel a transaction that was sent without fee (using Blockchain.info). It is currently "Unconfirmed". The only way I have found is to do a double spend of the whole wallet, specifying a ...
2
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2answers
264 views

Double spending on testnet or regtest?

I'm currently doing a research on bitcoin and I would like to know if there is anyway to replicate double spending in the testnet or regtest? If isn't possible is there any other type of "attacks" ...
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0answers
1k views

Bitcoins unconfirmed even after double spend

I'm very new to bitcoin and recently bought 0.066 bitcoins and transferred them to my electrum wallet. I then transferred them to another wallet but I set the fee too low (40Sat/b) and it was stuck in ...
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0answers
40 views

Globally distributed accomplices for improved outcome in race attack

Would it help you to win a race attack if you had accomplices from all over the world, say Berlin, Beijing, Boston, and Buenos Aires all propagate your transaction to the nodes that they're connected ...
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0answers
27 views

Bitcoin, BTC.com and monitoring double-spend attempts

I'm reading Analysis of hashrate-based double-spending article. On page 10 there's a table listing probability of successful double-spend attack in relation to required number of confirmation. ...
1
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1answer
55 views

Wallet's role in a double spend attack

How does my wallet allow me to double spend? As soon as I make a payment, shouldn't my wallet delete those bitcoins or does it leave them until the transaction is added into the blockchain?
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0answers
78 views

Bitcoin Paper: Why do we need the probability of catching up in double spend attack?

In the Bitcoin original paper, we have two probabilities: 1- Probability of generating k number of blocks in the period T in which z confirmations are generated. 2- Probability that the attacker ...
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0answers
576 views

Is double spending with electrum still possible?

I tried to follow this tutorial, but I kept on getting an error message saying that there was a mempool conflict and that it was rejected by the network.I even used a script so that the mouse clicked ...
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0answers
252 views

How big is the chance of double spending for 0, 1, 2, 3, 4, 5 and 6 confirmations?

I'm messing around with bitcoins a bit, and I'm now looking at the confirmations. In several places I read that 6 is the "normal" figure of confirmations needed to say a transactions has actually and ...
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0answers
40 views

How does bitcoin double-spend influence on omni asssets?

I have a question about omni layer and bitcoin double-spend. I'd be very grateful if someone answered on it. Assume that I performed a transaction tx_1 in bitcoin network from address X to adress Y ...
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3answers
129 views

Does double spending happen at all?

I'm a complete beginner to anything and everything about cyrpto. I've been trying to research a lot about it, and I have recently just been trying to learn and understand some of the basics. I was ...
0
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1answer
498 views

Bitcoin Transaction Stuck, Attempt to double spend with higher fees

I made a BTC transaction a few days ago, where I set the fee amount way too low. It seemed that the transaction was lost in limbo. I did some research, and apparently you are able to double spend ...
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2answers
182 views

How would one relay a raw tx double spend to a node that accepts it?

All of the pushtx sites reject the tx as a double spend. Would I have to run my own node through bitcoind? How would one do this?
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0answers
995 views

Unconfirmed bitcoins 258: txn-mempool-conflict

I made a transaction a few days ago, but the fee was to low so it doesn't get confirmed. So I want to give the transaction a higher fee. But when I resend the transaction I get this error: 258: txn-...
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1answer
51 views

in the white paper you have 2 sides : attacker and honest node

What does it mean that there is either the attacker or honest node. This means that within 10 minutes either attacker or honest node mines a block but what about neither OR another side ? How could ...
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1answer
1k views

How do I double spend using electrum?

I have created a transaction several days ago, with a very low fee. The transaction was meant to remove dust from my wallet, so increasing the fee won't help as the transaction is very big (1.6KB), ...
0
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1answer
429 views

Ripple's validation of transactions / Ripple white paper?

Is there a ripple white paper or some safe source to understand how the transactions are validated and made in the ripple network? VS Bitcoin, XRP is not mined, so how is the agreement reached? (I ...