Jarogniew Rykowski, Ph.D, attended The 5th International Conference on Wireless Sensor Networks WSN'2016, which took place in Gdańsk (Poland) from September 11 to September 14, 2016, under umbrella of The Federated Conference on Computer Science and Information Systems FedCSIS 2016. During the WSN Conference Jarogniew Rykowski presented a paper entitled „Digital signing for short-message broadcasted traffic in BLE marketing channel”,