2019 | OriginalPaper | Chapter
A Note on Optimal Double Spending Attacks
Authors : Juri Hinz, Peter Taylor
Published in: 2017 MATRIX Annals
Publisher: Springer International Publishing
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In the present note we address the important problem of stability of blockchain systems. The so-called “double-spending attacks” (attempts to spend digital funds more than once) have been analyzed by several authors. We re-state these questions under more realistic assumptions than previously discussed and show that they can be formulated as an optimal stopping problem.