The concept of Account Abstraction (AA) is gaining significant momentum in the blockchain space. Despite the promise it holds, AA faces a major challenge: the high costs associated with calldata. In this blog post, I'll explain this issue and why zkSync's state diff model is crucial for our infrastructure.

Wallet infrastructure is playing a crucial role in unlocking the web3 experience for the next generation of dapps. So far, users have had to install additional software, source and fund it with a novel currency, and face unfamiliar confirmation screens before even making the first interaction in web3. Despite improved firewalling and a movement away from seed phrases, these hurdles are still points of high churn for decentralized applications.