Capital One Quicksilver Credit Card Account Login – Capital One Quicksilver credit card is a product of Capital One, it’s a great card that earns cash back on every purchase. This card gives you 1.5% cash back on every single purchase, it gets better because there’s no annual fee, so all the rewards you earn are yours, the capital One card gives you a $150 bonus after you spend $500 on the card within the first 3 months, their cash rewards can be redeemed at any time and any amount you want.