1. Naik, R.P.: Optimising the SHA256 Hashing Algorithm for Faster and More Efficient Bitcoin Mining. UCL, London (2013)
2. Murck, P.: Who controls the blockchain? Harv. Bus. Rev. (2017)
3. Iansiti, M., Lakhani, K.A.: The truth about blockchain. Harv. Bus. Rev. (2017). https://hbr.org/2017/01/the-truth-about-blockchain
4. Aishwarya, N.: Potential impact of blockchain on HR and people management. JETIR 5(9), 127–130 (2018)
5. Sakho, S., Zhang, J., Mbyamm, M.J.K., Kouassi, A.B., Essaf, F.: Privacy protection issues in blockchain technology. Int. J. Comput. Sci. Inf. Secur. (IJCSIS) 17(2), 124 (2019)