There are a lot of fantasies and myths about quantum computers. Do they exist? In what are they useful? Dive into quantum computing and learn how to develop your own quantum algorithms and run them. Discover how cryptography will be affected and change in the next future. Renaud Lifchitz is a French senior IT security consultant. He has a solid penetration testing, training and research background. His main interests are protocol security (authentication, cryptography, protocol security, information leakage, zero-knowledge proof, RFID security) and number theory (integer factorization and primality tests). He currently mostly works on wireless protocols security and was speaker for the following international conferences: CCC 2010 (Germany), Hackito Ergo Sum 2010 & 2012 & 2014 (France), DeepSec 2012 (Austria), Shakacon 2012 (USA), 8dot8 2013 (Chile).