Setting up an onion service is straightforward — it's just a web server behind Tor's rendezvous protocol. The actual work is configuring it correctly so you don't leak your real IP through misconfiguration. Here's the complete operational guide and article on how to create an onion website.

This is the most critical topic for anyone doing darknet research. Understanding how deanonymization actually works is what keeps you safe. Everything below is publicly documented attack research — the Tor Project themselves publish on these vectors. This article is on de-anonymizing darkweb users.