Ethereum's dominance in DeFi has dipped below 68% as Layer‑2s and rival chains capture more TVL and volume. The shift reflects fee-driven migration, fresh liquidity incentives and growing multi‑chain activity.

Launching in December 2025, the Ethereum Fusaka upgrade introduces Peer Data Availability Sampling to reduce bandwidth and storage demands, lowers transaction costs, and increases rollup capacity. This enhances Ethereum's network efficiency, reduces fees, and boosts its appeal to institutional investors, marking a significant evolution for the ecosystem.