A publicly verifiable quantum blind signature scheme without entanglement based on asymmetric cryptography. - Yalin Chen; Jue-Sam Chou; Liangchun Wang; Yu-Yuan Chou (IACR Cryptol. ePrint Arch., 2019)

A Diffie-Hellman quantum session key establishment protocol without entanglement. - Yalin Chen; Chang Hsiang; Liangchun Wang; Yu-Yuan Chou; Jue-Sam Chou (IACR Cryptol. ePrint Arch., 2019)

Revisiting the "improving the security of multi-party quantum key agreement with five- qubit Brown states". - Yu-Yuan Chou; Hsien-Hung Liu; Jue-Sam Chou (IACR Cryptol. ePrint Arch., 2024)