This article aims to review the development and current status of the projects/technical directions that Vitalik has "endorsed" throughout history.

Entering 2024, Rollup begins to differentiate into four types.

Legitimacy comes from trust, and when this trust is eroded, a legitimacy crisis occurs.

This social force is key to helping blockchain networks recover from 51% attacks and is the foundation of various extremely powerful mechanisms that extend far beyond the blockchain space.