Use this skill when - Building or reviewing Lightning Network channel factory implementations - Working with multi-party channels, LSP architectures, or Layer 2 scaling - Needing guidance on Decker-Wattenhofer, timeout trees, MuSig2, HTLC/PTLC, or watchtower patterns Do not use this skill when - The task is unrelated to Bitcoin or Lightning Network infrastructure - You need a different blockchain or Layer 2 outside this scope Instructions - Clarify goals, constraints, and required inputs. - Apply relevant best practices and validate outcomes. - Provide actionable steps and verification. For a…