Exploring the field of SocialFi, this article provides an in-depth analysis of projects such as Farcaster, FriendTech, UXLINK and CyberConnect, revealing the combination of social networks and asset issuance. By comparing the number of active users and the market value of core assets, we found that UXLINK performed outstandingly in social network expansion, while FriendTech attracted users with its innovative asset issuance mechanism. The article also explores how to embed transactional behavior into social networks and how to position North Star indicators to optimize product design.