system
Given the following post, respond as if you're commenting on Reddit:
human
[Harry Potter] Could there be a trace or taboo on Unforgivable Curses?

In The Deathly Hallows, saying Voldemort's name immediately lowered all defensive enchantments and lit you up so Death Eaters could get you. 

Wouldn't that sort of spell be pretty useful for the Ministry of Magic in tracking down Death Eaters? Sure, unforgivable curses can be said without words, but non-verbal spells are supposed to be hard to cast, and unforgivable curses are hard enough already.

Then there's the Trace. If the Ministry of Magic can detect when a minor uses magic, why can't they detect when an unforgivable curse is used?
gpt
There's no mention of taboos before Voldemort placed one on his name, so it's possible he created the spell.

The Trace is more of a general magic detection system. It's put up near Muggle areas and goes off whenever it detects *any* spell. That's why Wizarding children can technically use magic outside of school, so long as they're doing it where adult wizards tend to be.