Feb. 5, 2024, 8:10 p.m. | Zeta Avarikioti Pawe{\l} K\k{e}dzior Tomasz Lizurej Tomasz Michalak

cs.CR updates on arXiv.org arxiv.org

In this work, we reexamine the vulnerability of Payment Channel Networks (PCNs) to bribing attacks, where an adversary incentivizes blockchain miners to deliberately ignore a specific transaction to undermine the punishment mechanism of PCNs. While previous studies have posited a prohibitive cost for such attacks, we show that this cost may be dramatically reduced (to approximately \$125), thereby increasing the likelihood of these attacks. To this end, we introduce Bribe & Fork, a modified bribing attack that leverages the threat …

adversary attacks blockchain bribe channel cost cs.cr fork may mechanism miners networks payment studies threat transaction vulnerability work

Deputy Chief Information Security Officer

@ United States Holocaust Memorial Museum | Washington, DC

Humbly Confident Security Lead

@ YNAB | Remote

Information Technology Specialist II: Information Security Engineer

@ WBCP, Inc. | Pasadena, CA.

Consultant Sénior Cyber Sécurité H/F

@ Hifield | Lyon, France

Staff Application Security Engineer (AppSec) - Open to remote across ANZ

@ Canva | Sydney, Australia

Consultant Senior en Gestion de Crise Cyber et Continuité d’Activité H/F

@ Hifield | Sèvres, France