“OfferVas products” refers to the physical coin that contains the private key. When you use the OfferVas Crypto app to tap the OfferVas products, a “virtual bitcoin” is added to the Home page of the app. The virtual bitcoin provides a convenient, easy-to-understand way to interface with your physical OfferVas products. It’s called a “virtual” bitcoin because the private key are never stored on the app. The virtual bitcoin allows you to monitor the amount of bitcoin stored on the physical OfferVas products and see the real-time fiat currency value, as well as several other functions that do not require the private key. Namun, when you want to send bitcoins out from your OfferVas products, you need tap the physical OfferVas product itself to authorize the transaction.