What is the best way to write a social network?

Question

C++ / C#

Hello. I decided to write social network/messenger in c#. What is better to write WEB API, or web sockets? Should I use RSA? If so, please provide examples.

Answer 1

Here is an example of a simple messenger:
https://github.com/hasankhan/Squiggle
In general, the github is full of examples
https://github.com/search?l=C%23&q=messenger&type=...