Account Abstraction

Mechanism

Account abstraction fundamentally unifies externally owned accounts (EOAs) and smart contract accounts into a single programmable entity. This design paradigm allows for custom validation logic and arbitrary transaction sponsorship, moving beyond the rigid cryptographic signature requirements of traditional EOAs. It enables a more flexible account model, facilitating advanced features like multi-signature capabilities and gasless transactions directly at the account level. The core innovation lies in separating signature verification from transaction execution, offering enhanced control.