L2 is not about scalability; it's about "division of labor."

Many people understand Ethereum L2 as a "scalability tool," but a more accurate description is that it is reconstructing the division of labor system. L1 is responsible for security and settlement, while L2 handles execution and user experience. This is like transforming a congested one-way street into a city traffic network of "main roads + overpasses + side streets."

The maturity of Rollup technology allows transactions to be efficiently executed off-chain, with the results compressed and submitted to the main chain for verification. This approach inherits Ethereum's security while increasing throughput and reducing costs. The true significance is not just the TPS number but enabling more real applications to run smoothly.

In the future, the core competition for L2 won't be "who is faster," but "who is more suitable for specific application scenarios."
Game chains require low latency, social chains need high-frequency interactions, DeFi chains demand deep liquidity—different needs give rise to different L2 forms.

It is foreseeable that L2 will be layered like the operating system ecosystem:
General-purpose, vertical, and industry-specific types will coexist.

In the long run, the more prosperous L2 is, the more stable the value of L1 becomes, because all settlement and security ultimately return to the main chain. L2 is not weakening Ethereum; it is amplifying Ethereum.

In summary:
L2 is a crucial step for Ethereum from a "standalone system" to a "distributed system."#以太坊L2如何发展？