How do Layer 2 blockchains make money?
I'm curious about the monetization strategies of Layer 2 blockchains. How do they generate revenue or profits? Are there specific ways they make money that are different from Layer 1 blockchains?
How many Layer 2 blockchains are there?
Excuse me, could you please clarify for me the current state of Layer 2 blockchains in the cryptocurrency landscape? Specifically, I'm wondering how many Layer 2 blockchains are currently operational or in development? It would be greatly appreciated if you could provide a brief overview of the most prominent ones and their unique features, if possible. Thank you in advance for your insights.