Ethereum Co-Founder Vitalik Buterin Questions Building Complex Features on Layer 2 Scaling Solutions
Ethereum co-founder Vitalik Buterin has expressed skepticism about building all complex features on Layer 2 scaling solutions. While L2s like Optimism, Polygon, and Arbitrum offer cheaper and faster transactions compared to Ethereum mainnet, Buterin believes that introducing complex features on L2s instead of the base layer can pose additional risks. He argues that if there is a bug in an L2, people could permanently lose a significant amount of money. In the past, Buterin favored keeping Ethereum mainnet simple, but his recent focus on security may have influenced his change in stance.
Buterin’s Concerns about L2s
- L2s provide cheaper and faster transactions than Ethereum mainnet.
- L2s inherit the security guarantees of the base layer.
- Building complex features on L2s can introduce additional risks.
- An L2 bug could result in permanent loss of funds.
Buterin’s Shift in Perspective
- Previously favored keeping Ethereum mainnet simple.
- Now believes that adding sophisticated L1 features can reduce the code burden of L2s.
- Interested in using AI to help audit Ethereum’s code and detect bugs for improved security.
The Future of Ethereum Scaling
During a 2019 Ethereum meetup, Buterin discussed the optimization of Layer 1 properties and the increasing difficulty of making changes on L1 over time. His comments come ahead of the Dencun upgrade on Ethereum mainnet, which will enhance transaction speeds and reduce costs for L2s. The upgrade will introduce EIP-4844, also known as proto-danksharding.
Hot Take: Balancing Complexity and Security
While L2 scaling solutions offer significant benefits in terms of cost and speed, it is crucial to carefully consider the introduction of complex features on these layers. Buterin’s concerns highlight the potential risks associated with relying heavily on L2s for advanced functionalities. Striking a balance between simplicity and security is paramount for the long-term success and stability of the Ethereum network.
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