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A Small Subgroup Attack on Bitcoin Address Generation

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posted on 2023-11-29, 18:06 authored by Massimiliano Sala, Domenica Sogiorno
We show how a small subgroup confinement-like attack may be mounted on the Bitcoin addresses generation protocol, by inspecting a special subgroup of the group associated to point multiplication. This approach does not undermine the system security but highlights the importance of using fair random sources during the private key selection.

History

Preferred Citation

Massimiliano Sala and Domenica Sogiorno. A Small Subgroup Attack on Bitcoin Address Generation. In: Mathematics. 2020.

Primary Research Area

  • Algorithmic Foundations and Cryptography

Legacy Posted Date

2020-12-03

Journal

Mathematics

Open Access Type

  • Gold

Sub Type

  • Article

BibTeX

@article{cispa_all_3221, title = "A Small Subgroup Attack on Bitcoin Address Generation", author = "Sala, Massimiliano and Sogiorno, Domenica", journal="{Mathematics}", year="2020", }

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