CTFs are divided into 5 standard categories: Web, Crypto, Forensics, Rev (Reverse Engineering), and Pwn (Binary Exploitation). Start with PicoCTF: solve the 50-point web challenges (inspecting page source, modifying cookies, basic SQL injections), then learn Ghidra for reverse engineering simple binaries. The dopamine of finding your first flag is unmatched.

At 2 PM everyone is busy pretending to be productive, calculating CGPA, and rushing to classes. At 2:30 AM sitting cross-legged on the corridor floor with tea, all the social masks drop. You talk about childhood memories, existential fears, whether alien life exists, and what life will look like 10 years from now. These nights are what college is actually made of.

When you type `campusloop.space`: 1. Browser checks local cache 2. Queries Recursive Resolver (ISP or 1.1.1.1) 3. Resolver asks Root Nameserver -> TLD Nameserver (.space) -> Authoritative Nameserver 4. Authoritative nameserver returns the IP address A-record. All within 15 milliseconds across global fiber cables.