The Base Layer2 blockchain, a leading Ethereum scaling solution, is making significant strides toward decentralization, as highlighted by recent insights from Jesse Base.eth and Ethereum co-founder Vitalik Buterin. On September 21, 2025, Base achieved its first phase of decentralization, focusing on distributed block construction and refining the role of sequencers, which collect and order transactions for efficient submission to Ethereum’s mainnet. This milestone, verified by the L2beat platform, underscores Base’s commitment to balancing user experience with robust security, leveraging Ethereum’s decentralized infrastructure to ensure trustless operations and user sovereignty in the rapidly evolving cryptocurrency market.
Sequencers: The Backbone of Base’s Efficiency
Sequencers are pivotal to Base’s functionality as an Ethereum Layer2 (L2) solution, streamlining transaction processing to enhance scalability and reduce costs. Unlike centralized exchanges, sequencers do not facilitate trade matching, which is handled by smart contracts, as clarified by Jesse Base.eth in response to Paul Grewal.eth’s perspective. Instead, they collect user transactions, order them into batches, and submit these to Ethereum’s mainnet for final settlement, minimizing congestion and gas fees.
Base, built on the Optimism OP Stack, currently operates a centralized sequencer managed by Coinbase, enabling low-latency transactions and improved throughput. However, this model introduces trust assumptions, such as the risk of censorship or transaction reordering for maximum extractable value (MEV). To address these, Base has reached “Stage 1” decentralization, as announced on April 29, 2025, marking progress toward a distributed sequencer model that enhances censorship resistance and aligns with Ethereum’s trustless ethos.
Vitalik Buterin’s Endorsement of Base’s Model
Ethereum co-founder Vitalik Buterin has praised Base’s approach, emphasizing its role as a true L2 solution that enhances user experience without compromising security. “Base uses centralized features to provide stronger UX features, while still being tied into Ethereum’s decentralized base layer for security,” Buterin stated. Unlike centralized platforms, Base does not hold custody of user funds, ensuring operators cannot steal or block withdrawals. In the event of an L2 shutdown, users can automatically withdraw assets, a safeguard verified by the L2beat platform, which tracks decentralization metrics across Ethereum L2s.
Buterin’s comments counter regulatory concerns, such as SEC assertions that L2 sequencers resemble exchanges. He argues that Base is an infrastructure extension of Ethereum, not a custodial entity, reinforcing its non-custodial nature and alignment with Ethereum’s security guarantees. This design ensures that Base maintains Ethereum-level trust while delivering faster, cheaper transactions, with average fees 80% lower than mainnet costs.
Base’s Decentralization Roadmap
Base’s achievement of Stage 1 decentralization, as reported by L2beat, marks a significant step toward a fully distributed system. The roadmap includes adopting shared sequencing layers and Ethereum-native rollups, which could further enhance scalability and reduce reliance on single sequencers. These advancements aim to mitigate risks like censorship and MEV extraction, fostering a competitive market for transaction ordering that aligns with user interests.
The push for decentralization responds to broader industry critiques, with experts like Elena Sinelnikova of Metis L2 advocating for decentralized sequencers to maximize anti-fragility and censorship resistance. Approximately 97% of Ethereum transactions now occur on L2s, underscoring their dominance and the urgency of addressing centralization concerns. Base’s efforts align with Ethereum’s “The Surge” roadmap, targeting 100,000 transactions per second by integrating L2s with the mainnet.
Market and Regulatory Implications
Base’s progress occurs amid a thriving cryptocurrency market, valued at over $4 trillion, with L2 networks like Base and Arbitrum commanding $60 billion in total value locked (TVL). The platform’s user-centric design, with instant finality and simplified MEV management, has driven adoption, processing 42.85% more transaction volume than competitors like Mythos Chain. However, regulatory scrutiny, particularly from the SEC, poses challenges, with debates over whether L2 sequencers should be classified as exchanges. Buterin and Coinbase executives have pushed back, arguing that L2s are infrastructure providers, not custodial entities.
The L2beat platform’s verification of Base’s security mechanisms, including fraud and validity proofs, bolsters its credibility, ensuring transparency and trust. As Base advances toward Stage 2 decentralization, it aims to implement shared sequencing and competitive gateways, enhancing performance to meet high-throughput demands while maintaining Ethereum’s economic security.
Challenges and Future Outlook
While Base’s centralized sequencer model has driven early adoption, risks like single points of failure and censorship potential remain. Historical outages, such as Arbitrum’s eight-hour disruption in March 2023, highlight the vulnerabilities of centralized systems. Base’s roadmap to distributed block construction seeks to address these, but scaling decentralized sequencers without compromising speed or cost-efficiency remains a technical challenge.
The broader Ethereum L2 ecosystem, processing three times more transaction data than in March 2024, is poised for growth, with Base leading the charge. Innovations like based rollups, endorsed by Base lead Jesse Pollak, aim to align L2 transaction processing with Ethereum’s base layer, reducing ecosystem fragmentation and enhancing interoperability. These efforts position Base to capture a significant share of the projected $1 trillion crypto market by 2029.
A Leader in Ethereum’s Scaling Future
Base’s advancements in decentralization, powered by sequencer innovation and Ethereum’s robust security, mark it as a frontrunner in the Layer2 ecosystem. By achieving Stage 1 decentralization and pursuing distributed block construction, Base balances user experience with trustless operations, setting a standard for scalable, secure blockchain solutions. As the cryptocurrency market thrives and Ethereum’s L2s drive global adoption, Base’s strategic evolution ensures it remains at the forefront of decentralized innovation, delivering value to users and reinforcing Ethereum’s vision for a scalable, inclusive digital economy.