Questions tagged [double-spending-attack]

Attempt at spending the same coins twice before being noticed by the network

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2answers
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What is Monero's mechanism for defending against a double-spend attack?

The title says it all, but I want to frame the issue two ways, in hopes of a slightly more in-depth answer. With Bitcoin, the blockchain is transparent. In the "ordinary course of business" in the ...
9
votes
3answers
4k views

How does the recent patched key image exploit work in practice?

For more info https://getmonero.org/2017/05/17/disclosure-of-a-major-bug-in-cryptonote-based-currencies.html This has been patched months ago and was never exploited which can be proven by running a ...
8
votes
1answer
205 views

Is transaction malleability an issue with Monero?

Is transaction malleability an issue with Monero, like it is in Bitcoin? If so, is there an identified possibility to solve it? If it isn't an issue, what makes the difference?