1. He, B. (2017). An empirical study of online shopping using blockchain technology. Department of Distribution Management, Takming University of Science and Technology, Taiwan, R.O.C.
2. Lin, X. (2017). Semi-centralized blockchain smart contracts: Centralized verification and smart computing under chains in the Ethereum blockchain. Department of Information Engineering, National Taiwan University, Taiwan, R.O.C.
3. Shi, Y. (2017). Secure storage service of electronic ballot system based on block chain algorithm. Department of Computer Science, Tsing Hua University, Taiwan, R.O.C.
4. Syawaludin, A. R. S., & Munir, R. (2021). Registration of land and building certificate ownership using blockchain technology. In 2021 International Conference on ICT for Smart Society (ICISS) (pp. 1–7). IEEE. https://doi.org/10.1109/ICISS53185.2021.9533191
5. Grech, A., & Camilleri, A. F. (2017). Blockchain in education. Publications Office of the European Union.