"It's inappropriate!"
A red-haired female giant raised an objection, saying, " Trading always required a fixed price and it will limit the dark matter we can earn..."
"Don't worry. My idea is to create a lottery system, putting some technological products inside that increases lifespan..."
"This way, even if they win over the technological products using dark matter, they'll still feel like they've not lost out..."
"What if they lose enthusiasm?!"
"To maintain their expectation and will keep drawing. We'll add a safeguard, a mechanism that ensures a lifespan-increasing product after a certain number of draws."
"The downside will be we must figure out a suitable guaranteed draws. If we exceed their expectations, it won't work; if there are too few, the dark matter we obtain will be limited..."