This is part 3/3 by Markus Hammer about a digital Franc for Switzerland. Part 3 explains what the SNB design for a Swiss e-Franc, its benefits or threads would be, and is about: e-Frank, Swiss token, Swiss e-coin, physical cash, bearer instrument, transaction privacy, privacy protection, digital signature, blind signature, anonymous token, FLOSS, 2-tier architecture, PPP, cryptography, public vs private key