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LockDown: balance availability attack against lightning network channels

Abstract : The Lightning Network (LN) is a payment network running as a second layer on top of Bitcoin and other Blockchains. This paper presents the possibility of performing a balance lockdown in the LN due to misbehaving nodes associated to a given channel. We formalize and introduce a practical attack, minimizing the economic cost of the attack. We present results that validate our claims, and provide experimental results and potential countermeasures to handle the problem.
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Contributor : Joaquin Garcia-Alfaro Connect in order to contact the contributor
Submitted on : Friday, January 29, 2021 - 4:58:45 PM
Last modification on : Monday, March 29, 2021 - 11:50:05 AM



Cristina Pérez-Solà, Alejandro Ranchal-Pedrosa, Jordi Herrera-Joancomarti, Guillermo Navarro-Arribas, Joaquin Garcia‐alfaro. LockDown: balance availability attack against lightning network channels. FC 2020: 24th international conference on Financial Cryptography and Data Security, Feb 2020, Sabah, Malaysia. pp.245-263, ⟨10.1007/978-3-030-51280-4_14⟩. ⟨hal-03125777⟩



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