Ethereum achieved a historic scalability milestone on November 4, 2025, processing a record 3,453 transactions per second (TPS)—a dramatic leap from the network's usual Layer 1 average of 15–30 TPS. The breakthrough reignited discussions around layer-2 rollups and innovative data availability solutions.
Behind the Record: zkSync Atlas & PeerDAS
Ethereum co-founder Vitalik Buterin celebrated the achievement, highlighting two key technologies: zkSync Atlas and PeerDAS. Buterin described zkSync Atlas as "underestimated but valuable" for its ability to compress and verify data via zero-knowledge proofs, while PeerDAS (prototype data availability sampling) provides a scalable data layer that alleviates bandwidth constraints.
Layer-2 Ecosystem Synergy
Previously, Ethereum's Layer 2 solutions such as Arbitrum and zkSync had already demonstrated throughput in the hundreds to thousands of TPS. This new record, however, shows that Ethereum's base layer itself can achieve high throughput when combined with optimized data availability and rollup-friendly upgrades. Market reactions were mixed: ARB rose 2.30%, ZK gained 0.64%, while ETH slipped 0.18%, reflecting divergent investor sentiment on scaling narratives.
Scaling Roadmap Validated
The milestone validates Ethereum's long-term scaling strategy centered on rollups and data availability layers (evolving from Danksharding). While 3,453 TPS still trails high-performance blockchains like Solana (which can handle thousands to tens of thousands of TPS), it represents a two-order-of-magnitude improvement for Ethereum while preserving decentralization and security. The community anticipates that full deployment of PeerDAS and the rise of zkEVMs could push Ethereum's TPS beyond 10,000 in 2026.
Reliability and Broader Impact
It is important to note that this peak was observed under specific test or load conditions; day-to-day mainnet TPS may remain in the hundreds. Nevertheless, the record instills confidence in developers and decentralized applications—DeFi, GameFi, and social DApps stand to benefit from lower fees and faster confirmations. “Ethereum's scaling journey is far from over,” Buterin commented, “but we have shown that with the right combination of technologies, bottlenecks can be overcome.”