Prepaid Electronic Cheques Using Public-Key Certificates. - Cristian Radu; René Govaerts; Joos Vandewalle (IMACC, 1995)

A Restrictive Blind Signature Scheme with Applications to Electronic Cash. - Cristian Radu; René Govaerts; Joos Vandewalle (Communications and Multimedia Security, 1996)

Efficient Electronic Cash with Restricted Privacy. - Cristian Radu; René Govaerts; Joos Vandewalle (Financial Cryptography, 1997)

Witness Hiding Restrictive Blind Signature Scheme. - Cristian Radu; René Govaerts; Joos Vandewalle (IMACC, 1997)

Interoperable and Untraceable Debit-Tokens for Electronic Fee Collection. - Cristian Radu; Frederic Klopfert; Jan De Meester (CARDIS, 1998)

Integrated Cloud Framework for Farm Management. - Cristian Radu; Elena Apostol; Catalin Adrian Leordeanu; Mariana Mocanu (CISIS, 2016)