Preventing 51% Attack by Using Consecutive Block Limits in Bitcoin

• Main Authors: Babur, Sohail Mahmood, Khan, Shafiq Ur Rehman, Yang, Jing, Chen, Yen-Lin, Ku, Chin Soon, Por, Lip Yee
• Format: Article
• Published: Institute of Electrical and Electronics Engineers 2024
• Subjects: QA75 Electronic computers. Computer science
• Online Access: http://eprints.um.edu.my/45839/; https://doi.org/10.1109/ACCESS.2024.3407521
• Institution: Universiti Malaya

In permissionless blockchain systems, Proof of Work (PoW) is utilized to address the issues of double-spending and transaction starvation. When an attacker acquires more than 50% of the hash power of the entire network, they gain the ability to engage in double-spending activities, posing a signific...