On the Web 2.0 track, thousands of applications are competing fiercely, and it's getting harder and harder for development projects to stand out. Only exciting and challenging projects can retain users. Therefore, most apps use gamification as a strategy to increase user stickiness and retention. What if it was a Web 3.0 world? Although Web 3.0 applications are not many, they still have to compete with Web 2.0 applications. So gamification (which might be called "gamified finance" (GameF...