It’s interesting that asymmetric key cryptography is now the basis for both the private sphere and the public sphere via encryption and signatures, respectively
Discussion
It’s crazy how civilization is now fully dependent on some concepts in number theory that were pretty much useless for thousands of years. This article says Euclid proved that prime numbers are infinite around 300 B.C.
https://www.bbvaopenmind.com/en/science/mathematics/hunting-for-prime-numbers-who-cares-and-why/
Super crazy