Currently, there are a myriad of Layer2 solutions, but we often forget the fundamental need for scalability. Recent market performance has made me realize that some seemingly "outdated" technologies actually demonstrate astonishing vitality in real-world scenarios. Sidechain architecture is such an example — it doesn't rely on flashy narratives but speaks with solid performance data.

Ultimately, the core contradiction in scalability is: how to maintain decentralization while handling millions of transactions per second? The answer from sidechain solutions is straightforward — move most computations off-chain, with the mainnet only responsible for state anchoring. It sounds simple, but the brilliance of this design lies in freeing the underlying public chain's bandwidth pressure while fully preserving security.

What does this mean for developers? It means deploying applications can achieve response speeds close to traditional centralized services without worrying about decentralization failure. This is especially tailored for scenarios highly sensitive to latency, such as high-frequency trading, on-chain gaming, and social protocols.

Someone asked where the true value of this technology lies. My view is: it really can run. Not just on PPT slides, but supporting millions of daily active users. The market has long moved beyond the "concepts are king" stage; everyone is looking for infrastructure that can truly land and solve practical problems. The sidechain ecosystem happens to be at this point, continuously optimizing technology to lower the entry barriers for users into Web3.

In plain terms, this is the "great simplicity in apparent complexity" philosophy in scalability solutions.