New Systematization of Knowledge (SoK) paper on constructing Layer Two (L2) solutions for Bitcoin. The paper highlights new innovations like inscription technology alongside existing proof-based solutions. The authors also introduce a reference framework for evaluating the security of these solutions, identifying new attack vectors targeting data, assets, and users.

arxiv.org
🔗 Systematization of Knowledge (SoK) on constructing Layer Two (L2) solutions for Bitcoin
We carefully examine a representative subset of ongoing Bitcoin L2 solutions (40 out of 335 extensively investigated cases) and provide a concise yet impactful identification of six classic design patterns through two approaches