Maybe if you keep reframing your questions you'll manage to weave your way past my original evasive answer of "we decided not to do it that way" to the truth of "we grind up the bones of the victims of our free crypto challenges into a fine meal we use to fertilize the fungus patches we rely on for sustenance down in the pentest mines".
"Free" challenges, indeed. Ah hah hah hah hah haaaaaa! Mwrhwprh -gulp-. Mmmm. Fungus.