In most cases you need to set up a free Curve wallet account to store your payment card(s) that you want to use to fund your Astari wearable. In some cases you can connect your bankcard directly as well, you can see which banks can be linked directly per country below. If your bank is not directly supported, this is no problem, but you will need to set up a Curve account first, to connect your payment card(s) to the wearable. You can set up an free Curve account here.