Questions tagged [double-spending]

Use this tag for questions related to Double Spending: A double spend is an attack where the given set of coins is spent in more than one transaction.

A double spend is an attack where the given set of coins is spent in more than one transaction.

34 questions
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Detection of conflicting transactions and the guarantee of detection before confirmation is attained

I have two basic questions regarding the working of the Tangle, which is unclear to me. How are conflicting transactions detected in the Tangle? Suppose we have two conflicting transactions 'w' and 'y' as shown in the following figure(an excerpt…
D Mitra
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Large Weight Attack - does the Coordinator protect against this?

In a large weight attack, a double spend is created and tangle of transactions is build upon it ensuring that when the double spend is finally broadcast, the cumulative weight of it's tips outweighs the previously broadcast spend. How does the…
user1543