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Lisa
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Title: Layer 2 full decentralization milestones Introduction: Several teams behind layer-2 rollups, including Linea, zkSync, Arbitrum, and Optimism, have expressed confidence that full decentralization of Ethereum layer 2s will be achieved in the next few years. These teams shared their insights with Cointelegraph in June, highlighting that while progress has been slow due to prioritizing user experience and security enhancements, significant strides are now being made toward decentralization. The term “Stage 2 decentralization” refers to the final phase in Ethereum founder Vitalik Buterin’s roadmap for layer-2 decentralization milestones. Achieving this stage would make censorship nearly impossible on these networks, which aim to scale Ethereum by handling transactions on separate networks.
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3. Stages of Decentralization Vitalik Buterin’s November 2022 post outlined three stages of rollup decentralization. A Stage 0 rollup allows independent computation of the rollup’s state but retains centralized control over transaction censorship. A Stage 1 rollup implements fraud or validity proofs, preventing the team from publishing false state roots but allowing a security council to override transactions. In a Stage 2 rollup, the security council’s power is further restricted, making censorship nearly impossible. Blockchain analytics platform L2Beat evaluates L2 networks based on these criteria.
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Recent controversies, such as the Linea team pausing withdrawals and censoring an attacker’s address, have highlighted the slow progress toward decentralization. Buterin has argued that rollups should reach Stage 1 by the end of 2024 or risk not being considered true rollups. The information provided in this article is for reference only and should not be taken as investment advice. All investment decisions should be based on thorough research and personal evaluation.
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