EIP-7702, introduced through the Pectra upgrade on Arbitrum, allows externally owned accounts (EOAs) to temporarily include executable code during transactions, enabling advanced account abstraction features such as transaction batching, sponsorship, delegation and sub-key permission control on Layer-2

Quotes that support claims

EIP-7702 brings more account abstraction to Arbitrum chains. EOAs can temporarily include executable code during a transaction. This enables account abstraction-like features such as delegation, batching, transaction sponsorship and sub-key permission control.

The integration of EIP-7702 introduces executable code within EOAs during a transaction on Arbitrum. This allows features such as transaction batching, sponsored fees, and permissioned sub-keys on layer-2.