Capital One Rewards is a loyalty program offered by Capital One, a financial services company. It allows cardholders to earn points for every dollar spent on eligible purchases. These points can be redeemed for various rewards, including travel, gift cards, and cash back. The program features different tiers, such as Capital One Venture and Capital One Quicksilver, each offering unique benefits and earning rates. Users can easily track their rewards through the Capital One mobile app or website, making it convenient to manage and redeem points for their desired rewards.