Part 11/12:
Layer 2 solutions like Lightning, sidechains, and wrapped tokens offer scalability and interoperability but involve trust assumptions.
User education remains crucial—understanding keys, channel management, and risks helps avoid loss or theft.
Conclusion
This detailed discussion underscores that layered Bitcoin protocols are evolving rapidly, each optimized for different scenarios and trade-offs. While the base Bitcoin chain remains the trustless, decentralized anchor, the growing Layer 2 ecosystem offers practical pathways for everyday transactions, smart contracts, and broader interoperability.