Addn is a prepaid card site, it offers different payment methods, including crypto-currencies.
They support about twenty "crypto" like DASH, bitcoin, ether and others.
It is extremely easy to buy there, no need for an account, simply add to the cart, enter your email, and choose crypto, pay and you will instantly receive confirmation.
Do you want to buy on UBER, deliveroo amazon or any crypto site? Buy a card of these brands by crypto and you can, the possibilities are endless.
I suggest you try it, you will see how great it is to easily buy on it.
They also offer regular methods like paypal or credit card, but I suggest you use crypto because we all love crypto!