Ranks are awarded for the time you keep tokens on the site. When withdrawing tokens from the site, the rank is reset to the first Crewmen — base rank Ensign — issued after 1 month of blocking, gives + 15% to Gravity Commander — issued after 3 months of blocking, gives + 20% Gravity Captain — issued after 6 months of blocking, gives + 25% Gravity Admiral — issued after 12 months of blocking, gives + 30% Gravity, and also gives the “Black hole” level if your level is “Pulsar”