Dr. M. R. Arun, Prof. M. R. Sheeba, and Prof. F. Shabina Fred Rishma, “Comparing BlockChain with other Cryptographic Technologies (DAG, Hashgraph, Holochain)”, Int. J. Comput. Eng. Res. Trends, vol. 7, no. 4, pp. 13–19, Apr. 2020.