Title	Blockchain for Securing Smart Grids
Author	Ghadah Aldabbagh, Omaimah Bamasag, Lola Almasari, Rabab Alsaidalani, Afnan Redwan, Amaal Alsaggaf
Citation	Vol. 21  No. 4  pp. 255-263
Keywords	Blockchain, Smart Grid, PoW, PoS, Applications, Consensus, P2P, distributed ledger, security and privacy

Title	Mobile Devices Technologies: Risks and Security
Author	Raed Alsaqour, Sultan Alharthi, Khalid Aldehaimi, Maha Abdelhaq
Citation	Vol. 21  No. 4  pp. 249-254
Keywords	Mobile Security; BYOD; Multifactor Authentication; MDM; MSS; Security Policy.

Title	On the Need for Efficient Load Balancing in Large-scale RPL Networks with Multi-Sink Topologies
Author	Maram Abdullah, Ibrahim Alsukayti, Mohammed Alreshoodi
Citation	Vol. 21  No. 4  pp. 241-248
Keywords	Low-power lossy network (LLN), Wireless Sensor Network (WSN), RPL, Load Balancing, Multi-Sink

Title	Using The Anthology Of Learning Foreign Languages In Ukraine In Symbiosis With Modern Information Technologies Of Teaching
Author	Myroslava Fabian, Olena Bartos, Fedir Shandor, Viktoriia Volynets, Diana Kochmar, Olena Negrivoda, Olesia Stoika
Citation	Vol. 21  No. 4  pp. 229-240
Keywords	Higher Education, Foreign Languages, Communicative Qualities, Experiment, information technology.