ZKSync's announcement on the hacking incident reads "Matter Labs, which is currently ZKSync Era chain's sole sequencer", which means that ZKSync, known as one of the "Four Heavenly Kings of L2," actually has only one sorter, which is its own. It's hard to imagine the nature of a public chain with only one node 🤣 This is not an example. Almost all L2 nodes are in their own hands. Sometimes they feel that the currency circle is too double labeled. They complain about the BSC and Solana machine room chain downtime chain all day long. Somehow, people have dozens of hundreds of nodes, and then they praise Ethereum to decentralize tens of thousands of nodes all day long. As a result, a large number of L2 nodes that are 100% centralized and have only one node grow up, which is too deformed