Building a good blockchain ecosystem need a few things in the architecture to balance the needs of security, decentralization, & scalability. Layer-2 is solution to the technology that operates on top of an underlying blockchain protocol to improve its scalability and efficiency. https://t.co/pUD2CchYHX
构建一个好的区块链生态系统需要架构中的一些东西来平衡安全、分散化和；可伸缩性。第二层是在底层区块链协议之上运行的技术的解决方案，以提高其可扩展性和效率。https://t.co/pUD2CchYHX