Ripple Card is a physical document, sent to the client via mail. It is also the only place they can find the Ripple Code, which is the login and password for their virtual wallet, where the cryptocurrency is stored. This code also serves as a proof of ownership over the Ripple.
“Ripple Card” is very important, so it’s crucial to keep it in a secure and dry place, safe from moisture and tremor. It should be stored until the client decides to sell the cryptocurrency.