On Methodology of E-wallet Construction for Partially Off-line Payment System. - Jonas Muleravicius; Eligijus Sakalauskas; Inga Timofejeva (ICIST, 2016)

A Simple Off-line E-Cash System with Observers. - Eligijus Sakalauskas; Inga Timofejeva; Aleksejus Mihalkovich; Jonas Muleravicius (Inf. Technol. Control., 2018)

Security, Trustworthiness and Effectivity Analysis of an Offline E-Cash System with Observers. - Jonas Muleravicius; Inga Timofejeva; Aleksejus Mihalkovich; Eligijus Sakalauskas (Informatica, 2019)