Alphacodes: Usable, Secure Transactions with Untrusted Providers Using Human Computable Puzzles
Alphacodes: Usable, Secure Transactions with Untrusted Providers Using Human Computable Puzzles, Sharma, A., Chandrasekaran, V., Amjad, F., Shasha, D., & Subramanian, L. (2016, November). In Proceedings of the 7th Annual Symposium on Computing for Development, (p. 5). ACM.
Many banking and commerce payment systems in developing regions require users to share private or sensitive information in clear-text with untrusted providers, exposing them to different forms of man-in-the-middle attacks…