Title	Application of Blockchain Technology to Guarantee the Integrity and Transparency of Documents
Author	Khuat Thanh Son, Nguyen Truong Thang, Le Phe Do, and Tran Manh Dong
Citation	Vol. 18  No. 12  pp. 7-15
Keywords	Blockchain, hash table, peer networks, game theory, digital signatures, cryptography, ECDSA, SHA-265, documentation.

Title	Blockchain for Controlling Hajj and Umrah Permits
Author	Meshal Alotaibi, Mohammad Alsaigh and Mohammad Yamin
Citation	Vol. 19  No. 4  pp. 69-78
Keywords	Blockchain, Hajj, Umrah, Smart Contract, Consensus, IoT, Pilgrims.

Title	Blockchain for Internet of Things (IoT) Research Issues Challenges & Future Directions: A Review
Author	Malak Alamri, NZ Jhanjhi, Mamoona Humayun
Citation	Vol. 19  No. 5  pp. 244-258
Keywords	Blockchain, Internet of Things, Challenges, Future directions

Title	Using Blockchain to resolve Database Distribution and Security Issues in The Learning Management Systems (LMS)
Author	Momeen Khan Tallat Naz Khalid Mahmood
Citation	Vol. 19  No. 11  pp. 139-150
Keywords	LMS, blockchain technology