Seems like an implementation of puzzle protocol. I love puzzle protocols and use it on all my servers with external client connections but this is hardly suitab

Seems like an implementation of puzzle protocol. I love puzzle protocols and use it on all my servers with external client connections but this is hardly suitable for mobile users as they will have disproportionally lower computing power than desktop users, this is why I don’t use it on my websites. For those of you who are interested about puzzle protocols, this is a good paper: https://eprint.iacr.org/2010/649.pdf https://eprint.iacr.org/2010/649.pdf