Altcoins News

Story: Solana Co-Founder Criticizes Ethereum’s L2 Security Model as ‘Fundamentally Broken’

By Dan Saada

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Buterin’s Confidence in Ethereum’s L2 Security. Buterin has long defended Ethereum’s modular scaling vision — a structure where L2s handle…

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Yakovenko’s Counterpoint: A “Fundamentally Broken” Model. Yakovenko, on the other hand, took a firm stance against this view.

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Ethereum Developers Push Back. Not everyone agreed with Yakovenko’s assessment. Ethereum developers and supporters quickly…

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The Broader Context: ETH vs. SOL. The debate comes at a time when Ethereum and Solana are both experiencing renewed investor interest.

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Why the Debate Matters. This public clash between Buterin and Yakovenko isn’t just philosophical — it highlights the…

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The Road Ahead. The discussion between Buterin and Yakovenko underscores a key tension in blockchain design:…

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Ethereum’s layer-2 (L2) ecosystem is under intense scrutiny following a public disagreement between two of the industry’s most influential figures — Ethereum co-founder Vitalik…

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While Buterin maintains that L2s safely inherit Ethereum’s security guarantees, Yakovenko argues that the model remains deeply flawed at its core.

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Buterin has long defended Ethereum’s modular scaling vision — a structure where L2s handle transactions off-chain but rely on Ethereum’s base layer for final settlement and…

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In his latest comments, Buterin reiterated that L2s are not vulnerable to 51% attacks because they ultimately depend on Ethereum’s validator network for finality.

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However, Buterin did acknowledge that risks may emerge if individual L2s expand their validator responsibilities beyond Ethereum’s direct control.

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Still, he remains confident that Ethereum’s current design offers a superior path to scalability without sacrificing decentralization.

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Yakovenko, on the other hand, took a firm stance against this view. He dismissed Buterin’s confidence as misplaced, calling Ethereum’s L2 model “fundamentally broken.”

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In a post shared on X (formerly Twitter), the Solana co-founder argued that despite years of progress, Ethereum’s L2s continue to face the same systemic risks that plague…

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He outlined three main flaws in existing L2 designs:

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