Flaviene Scheidt de Cristo Wazen M. Shbair Lucian Trestioreanu Aanchal Malhotra Radu State Privacy-Preserving PayString Service. 1-3 2021 IEEE ICBC https://doi.org/10.1109/ICBC51069.2021.9461076 conf/icbc2/2021 db/conf/icbc2/icbc2021.html#CristoSTMS21