• Blockchain Layer 1 vs. Layer 2: Things You Must Know
• Layer 1 vs Layer 2 : What you need to know about different Blockchain Layer solutions
• The Layer 2 Wars Heat Up
• Layer 2 Won’t Save Ethereum
• Data, Consensus, Execution: Three Scalability Bottlenecks for State Machine Replication
• Making Sense of Ethereum’s Layer 2 Scaling Solutions: State Channels, Plasma, and Truebit
• State Of Ethereum Layer 2s
• The ultimate guide to L2s on Ethereum

L2 Tools and Resources

• L2 Beat
• L2.news