The Helix is the largest data haven in Europe and the second-largest shadownet data haven in or above the world after the Denver Nexus. It is physically located in The Hague, a major port city in the United Netherlands.

The Helix is a major hub for shadow activity in Europe, a combination of the "Nexus" Denver Data Haven and shadownet hubs like ShadowSea and the Shadowland BBS before it.