Reviewing the Safety of Layer 2s

The Layer 2 (L2) and Layer 3 (L3) ecosystem has experienced significant expansion, with L2Beat now monitoring 85 L2s and 25 L3s. To evaluate security across these protocols, L2Beat has developed an assessment framework incorporating five key metrics:

The concepts of fraud proofs, validity proofs and data availability have been covered in prior research pieces, so we will be focusing on the remaining three in this research piece.