Experimental evaluation of digitally verifiable photonic computing for blockchain and cryptocurrency[J] OPTICA 2023(10) Pai, Sunil Park, Taewon Ball, Marshall Penkovsky, Bogdan Dubrovsky, Michael Abebe, Nathnael Milanizadeh, Maziyar Morichetti, Francesco Melloni, Andrea Fan, Shanhui Solgaard, Olav