Ethereum Foundation 2026 Roadmap: post-quantum security, native account abstraction and gas limits beyond 100M
The Ethereum Foundation published a 2026 protocol roadmap reorganizing development into three tracks — Scale, Improve UX and Harden the L1 — and prioritizing post-quantum security, higher per-block gas limits and faster upgrade cadence. Key technical targets include a phased increase of the per-block gas limit toward and beyond 100 million units (from ~30–60M today), expanded blob data-availability parameters for rollups, continued state-scaling work (repricing, history expiry, stateless designs and new data structures), and delivery of two major upgrades (Glamsterdam in H1 2026 and Hegotá later in 2026). The Improve UX track pushes native account abstraction (building on EIP-7702) to make smart-contract wallets a default without extra gas or infrastructure, adds the Open Intents Framework for interoperability, and outlines a pathway off ECDSA toward post-quantum-safe authentication. Harden the L1 emphasizes execution-layer safeguards, enhanced proposer-builder separation (ePBS) to reduce validator centralization and censorship risk, expanded testing/devnet infrastructure, extensive audits/formal verification, larger bug bounties, validator tooling and research into quantum-resistant cryptography with a transition plan starting in 2025. The roadmap schedules 2025 research/spec work, late-2025 testnets and staged mainnet activations through 2026, but is a proposal requiring community consensus and validator activation. For traders: the changes aim to lower Layer 2 fees, raise throughput, diversify zkEVM implementations and future-proof Ethereum — factors that may alter fee dynamics, on-chain throughput and developer momentum as upgrades are tested and gradually activated.
Neutral
The roadmap is broadly positive for Ethereum’s fundamentals but does not immediately change token supply or demand. Higher gas limits, blob scaling and state-scaling measures are aimed at lowering Layer 2 costs and increasing throughput — outcomes that should be constructive for network utility and long-term ETH demand. Native account abstraction and post-quantum planning improve UX and security, supporting developer activity and institutional confidence over time. However, the plan is a proposal requiring community consensus, staged testnets and gradual mainnet activations in 2025–2026, so near-term market impact is limited. Short-term volatility could arise around testnet milestones, client implementations and any contentious protocol votes. Traders may see neutral-to-modestly positive sentiment as technical progress reduces fees and bottlenecks, but significant price appreciation is unlikely until the upgrades are activated and proven in production.