Current Research

My current research is on Blockchain applications. I am working on countering double-spending and distributed denial-of-service attacks on Blockchains.

Past Research

Studiying presence of collusion networks and reputation manipulation on social networks. Analyzed social network space for presence of collusion networks, fake popularity, black markets, privacy breaches and their impacts


  • Muhammad Saad and Aziz Mohaisen, "Towards Characterizing Blockchain-based Cryptocurrencies for Highly-Accurate Predictions". International Workshop on Hot Topics in Pervasive Mobile and Online Social Networking, HotPOST 2018 (in conjunction with IEEE INFOCOM 2018 ), Honolulu, HI, USA, April 16, 2018.

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  • Muhammad Saad, My T. Thai, and Aziz Mohaisen, "POSTER: Deterring DDoS Attacks on Blockchain-based Cryptocurrencies through Mempool Optimization". 13th ACM ASIA Conference on Information, Computer and Communications Security, ASIACCS 2018 Incheon, Korea, 4-8 June 2018.

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