Nemali Ajith Reddy, Jatoth Rampandu, Bekkam Shiva, Kadham Siddhartha, & Mrs. Ch. Aruna. (2026). ActiLedger: Privacy-Enhanced Multimodal Human Activity Recognition Using Blockchain in Crowdsensing. American Journal of AI Cyber Computing Management, 6(2(1), 433-439. https://doi.org/10.64751/ajaccm.2026.v6.n2(1).764