According to @KookCapitalLLC, the liquid restaking protocol Ether.fi has launched a new crypto card that offers users 3-5% cashback on all purchases. For traders and DeFi users, a significant feature is that these rewards are delivered instantly on-chain, which could enhance the utility and demand for the platform's native token, ETHFI. The announcement highlights a quick five-minute sign-up process, aiming to accelerate user adoption.