Did you refer someone? You get: 10 Chance Crate Keys.

Did someone refer you? You get: 5 Chance Crate Keys.

Have you referred 5 people? You get: $500,000 Poke-Dollars and a Shiny Starter Crate Key.

Have you referred 10 people? You get: $1,000,000 Poke-Dollars and a Legendary Crate Key.

Have you referred 15 people? You get: $1,500,000 Poke-Dollars, a Corrupter Crate Key, and a Spiritual Crate Key.