LightHash: Experimental Evaluation of a Photonic Cryptocurrency

Sunil Pai, Taewon Park, Bogdan Penkovsky, Maziyar Milanizadeh, Marshall Ball, Michael Dubrovsky, Nathnael Abebe, Francesco Morichetti, Andrea Melloni, Olav Solgaard, David A.B. Miller

Research output: Contribution to journalConference articlepeer-review


We propose LightHash, the first feasible photonic cryptographic hash function for blockchain technology using programmable photonic networks. We experimentally evaluate LightHash and assess whether photonic circuits can outperform digital competitors in latency and energy efficiency.

Original languageEnglish (US)
Article numberSF2K.2
JournalOptics InfoBase Conference Papers
StatePublished - 2022
EventCLEO: Science and Innovations, S and I 2022 - San Jose, United States
Duration: May 15 2022May 20 2022

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials


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