Figure 2
From: Deep learning personalized recommendation-based construction method of hybrid blockchain model

Distributed blockchain system (the picture comes from the author's own drawing, inspired by: https://www.shutterstock.com/zh/image).
From: Deep learning personalized recommendation-based construction method of hybrid blockchain model
Distributed blockchain system (the picture comes from the author's own drawing, inspired by: https://www.shutterstock.com/zh/image).