[[File:Quartex.jpg|right|thumb|200px|Cracktro for the cracking group Quartex on [[Amiga]]. A typical crack intro has a scrolling text marquee at the bottom of the screen.]]
A '''crack intro''', alsocommonly knownabbreviated as a '''cracktro''', '''loader''', or just '''intro''', is a small introduction sequence added to [[keygen]]s and [[Software cracking|cracked software]].It aimsaimed to inform the user which cracking crew or individual cracker removed the software's [[copy protection]] and distributed the crack or keygen.<ref name="EuroGamer" /><ref name="wired"/><ref name="0dayartTheVerge"/>
