Base's Cobalt upgrade arrives in September with native account abstraction, gas sponsorship, transaction batching, and session keys built into the protocol.

Base launches Base Account with one-tap USDC payments and sponsored gas fees, with native account abstraction planned via Beryl and Cobalt upgrades in 2026.

Base's Cobalt upgrade arrives in September with native account abstraction, gas sponsorship, transaction batching, and session keys built into the protocol.