Ethereum co-founder Vitalik Buterin expressed concern about the “complexity” of layer 2 solutions.
Honestly I'm about 3x less confident in the “simplify L1 even at the expense of more complicated L2s” concept than I was five years ago. The challenge is that when you can trade off between L1 bug risk and L2 bug risk, it's not actually clear that the latter is better!
— vitalik.eth (@VitalikButerin) February 21, 2024
Buterin called for balanced development of different levels to reduce risks and prevent bugs.
According to him, the L1 blockchain can recover relatively quickly after a consensus failure, but errors in L2 networks carry the risk of permanent loss of funds for users.
Proposing an alternative approach, Buterin allowed for more complex functions to be added to the first layer network. This will reduce the burden on scaling solutions, allowing them to remain “simple enough.”
Previously, the Ethereum co-founder called ZK-Rollups the main L2 network that should surpass Optimistic Rollups.
In November 2023, Buterin published an essay in which he recalled Plasma technology and talked about ways to apply it in current realities. He suggested using the solution together with ZK-SNARK.
In February 2024, he spoke about the benefits of Werkle trees for blockchain scaling.
Source: Cryptocurrency
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