At the center of Web4 is a guiding principle known as the Ownership Thesis. In simple terms, it states that every layer of the internet — identity, connectivity, computing, naming, software, applications, and hardware — should be traceable back to something a person or organization directly controls, rather than something merely rented or managed on their behalf by an external provider.
A useful way to think about it: if a person cannot, on their own, disconnect or revoke access to a piece of their digital identity or data, then that layer isn't truly owned by them — it's rented. The Ownership Thesis sets out to close that gap across the whole stack, not just in isolated areas like crypto wallets.
This principle is the foundation that all of Web4's technical layers are built to satisfy, and it is what distinguishes Web4's approach from earlier generations of the internet, where ownership was often limited to a single layer (such as tokens under Web3) while everything else — identity, hosting, naming — remained controlled by outside operators.