Data haven
A data haven, like a corporate haven or tax haven, is a refuge for uninterrupted or unregulated data. Data havens are locations with legal environments that are friendly to the concept of a computer network freely holding data and even protecting its content and associated information. They tend to fit into three categories: a physical locality with weak information-system enforcement and extradition laws, a physical locality with intentionally strong protections of data, and virtual domains designed to secure data via technical means (such as encryption) regardless of any legal environment.
Tor's onion space (hidden service), HavenCo (centralized), and Freenet (decentralized) are three models of modern-day virtual data havens.
Purposes of data havens
Reasons for establishing data havens include access to free political speech for users in countries where censorship of the Internet is practiced.
Other reasons can include:
Whistleblowing
Distributing software, data or speech that violates laws such as the DMCA