Capsule offers a cross-app embedded wallet infrastructure aiming to simplify on-chain transactions. It focuses on user-friendly features like easy onboarding without seed phrases, wallet portability across chains and devices, programmable signing for transaction control, and customizations for a seamless user experience. Capsule supports multi-chain single sign-on, ensuring security with multi-party computation and passkeys, catering to developers and brands for integrating wallets quickly and securely.