The four major L2 were founded and raised seed round around 18 or 19 years ago, and only broke out in 22 years. With the successful merger of Ethereum and the completion of the Layer 2 ecosystem, Ethereum has gradually shifted to a modular architecture.

After L2, the hotspot may tilt towards modularity.

docs.google.com/spreadsheets/d/1xatD73XFnwqYxPuX7rbC50VQu88V89AoWJWt2ed36Kw/edit?usp=sharing