“Vitalik Buterin delves into the fascinating world of Ethereum Layer 2s, unraveling the complexities that hold the potential to revolutionize the scalability and speed of the blockchain network.”
Vitalik Buterin, co-founder of Ethereum, recently published a blog post discussing the intricacies of Layer 2s (L2s) and bridges in the blockchain ecosystem. In his post titled “Different Types of Layer 2s,” Buterin highlighted the various L2 mechanisms that have emerged to increase capacity, lower costs, and enhance security.
He mentioned several well-known EVM rollups such as Arbitrum, StarkNet, Optimism, Scroll, Taiko, and Kakarot, which have implemented zkEVM rollups. Additionally, Buterin acknowledged the success of independent Layer 1 blockchains like Polygon, which created its own EVM rollup, Polygon zkEVM, to complement its sidechain solution.
Buterin also emphasized that some projects initially independent of Ethereum eventually become part of the Ethereum ecosystem and function as L2s. Furthermore, certain centralized projects outside of Ethereum are seeking blockchain-based solutions to enhance security assurances, a departure from the traditional approach of using permissioned consortium chains.
When choosing L2 designs to work with, Buterin considers the cost of accessing native Ethereum data and the specific requirements of the application. He provides an overview of L2 scaling solutions and explains why the network will continue to evolve and become more diverse over time.
The blog post also delves into the trade-offs between different rollup solutions and systems for scaling. While security and connection to Ethereum are important factors, some applications require more flexible security to achieve optimal scalability.
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