Ethereum co-founder Vitalik Buterin recently stated that layer 2 blockchains may no longer be essential for Ethereum's scaling, citing improvements at the base layer. This surprising shift prompted leaders of major layer 2 projects to reaffirm their commitment, emphasizing their evolving roles beyond pure scaling, such as privacy and application-specific features. Despite Buterin's views, some experts argue that layer 2 solutions remain vital for Ethereum’s future, especially in customization and institutional adoption.

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