The Quicksilver Secured Credit Card can help you build your credit score by allowing you to establish a positive credit history. By making timely payments and keeping your balance low, you can demonstrate to credit bureaus that you are a responsible borrower.

The Capital One Quicksilver Secured Credit Card is best for individuals who are looking to build or improve their credit score but have a limited credit history, a low credit score, or have experienced financial difficulties in the past. The card is also beneficial for those who prefer a simple cash back rewards program with no annual fee, and who are willing to put down a deposit to secure the credit line.

To upgrade your Capital One Quicksilver Secured Credit Card to an unsecured credit card, you should use the secured card responsibly, make timely payments, and keep your credit utilization low. After a couple of months of responsible use, Capital One will review your account for potential upgrade opportunities.