7) None of these protocols would be possible without @optimismPBC L2 scaling
Low-cost transactions and instant confirmations have made way for the resurgence of DeFi.
We haven't even scratched the surface of the endless possibilities on L2.
7） 如果没有@OPTIMPBC L2扩展，这些协议都不可能实现
低成本交易和即时确认为DeFi的复兴让路。
我们甚至还没有触及L2上无限可能性的表面。