E-Commerce and Fair Exchange - The Problem of Item Validation. - Fabio Piva; Ricardo Dahab (SECRYPT, 2011)

E-commerce of digital items and the problem of item validation: introducing the concept of reversible degradation. - Fabio Piva; Ricardo Dahab (Appl. Algebra Eng. Commun. Comput., 2013)

Using Video Scalability for Designing Safe Multimedia Transactions. - Fabio Piva; Vanessa Testoni (SIBGRAPI, 2015)