User blog:MyztriCaecusCA/Garden of Eden (Practice Blog)

Key Information
Precursor Keys can be found in various locations, and each one bears a different symbol. Precursor Keys will only unlock terminals that bear the same symbol as the key.

Red Key
The red Precursor Key currently cannot be found in-game. According to Trello, it may be used to unlock the Precursor Thermal Power Generator.

Yellow Key
The yellow Precursor Key currently cannot be found in-game. Where its corresponding terminal will be is currently unknown.

Blue Key/"Artifact"
The blue Precursor Key can be found in the Grand Reef Degasi Base. Where its corresponding terminal will be is currently unknown.

White Key
The white Precursor Key currently cannot be found in-game. Where its corresponding terminal will be is currently unknown.

Purple Key
The purple Precursor Key currently cannot be found in-game. Where its corresponding terminal will be is currently unknown.