The once-popular Four Kings and Four Little Dragons are now rarely mentioned, and this market doesn't seem to have much to do with L2. However, exchanges are scrambling to get into Layer 2, and we might just see another wave of action. First, Coinbase incubated Base, Kraken incubated Ink, and then Robinhood incubated Robinhood Chain. Even Tencent incubated the Abstract chain... Among all these Layer 2 chains, which one do you think has the most potential?