Questions tagged [finney-attack]

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3
votes
3answers
87 views

What incentive is there for a miner to not cancel his own 'real' txs

It is said that a Bitcoin miner attacker with enough CPU power to outrun the entire network is better off mining honest bitcoins - which is not correct since by creating a false block chain the ...
2
votes
1answer
193 views

Hashrate required for Finney attack on SatoshiDICE [duplicate]

Say I have an address with 1000 different 0.01BTC outputs. I send all of the outputs (in separate transactions) to the 48% SatoshiDICE address. At the same time, I craft a transaction for each of the ...
1
vote
1answer
665 views

Can a Finney Attack make SatoshiDice betting profitable? [duplicate]

Can a Finney Attack make SatoshiDice betting profitable? If you perform a Finney Attack whenever your bet fails (by replacing it with a transaction to yourself), then would it make betting profitable, ...
32
votes
2answers
13k views

What is a Finney attack?

What is a Finney attack? Extra points for explaining its purpose, the prerequisites for it to be possible, how the attack can be performed and the origin of the name "Finney attack".
15
votes
1answer
964 views

Would a reduced block generation time make the Finney attack more difficult?

Related Question: What can be done to mitigate the risk of a Finney attack? The Finney attack is a form of double-spending attack where the attacker pre-mines a block containing a conflicting ...