The habit I would try to break first is making a fresh virtual card every time you buy something. It feels clean and it is also how you end up with a dozen card numbers, a dozen billing profiles and a dozen subscriptions that quietly failed.
A better pattern is one card you keep topping up. Two of the prepaid cards you can pay for with crypto behave quite differently on that point, so here is what each one actually does after checkout.
Month one: the first Rewarble card
Rewarble is a voucher service. You buy a code, then redeem it on rewarble.com/redeem. For the Visa version the 16-digit voucher is turned into a virtual Visa card with a card number, a CVV and an expiry date. You can then pay on any site that accepts Visa. The Mastercard version works the same way. The code is valid for one year, so you can redeem it within that time.
Rewarble's own site says you can add the card to Google Pay(Apple pay has been removed recently) and that 3D Secure, the extra confirmation step many shops ask for, can be switched on for better acceptance. It also says the first virtual card is free.
Month two: the same card, topped up
Here is the part that matters. Rewarble's homepage describes its cards as reloadable, with the line "reload anytime with a new voucher". So next month you do not need a new number. You buy another voucher, redeem it. The balance lands on the card you already have.
That is why I like it for bills. A subscription holds one card number. Keeping that number alive means nothing to update at the merchant, no failed renewal because the old card ran dry. There is also no chasing down which service still points at a card you threw away.
I run Genghis, where both of these cards are sold. The Rewarble Visa page there carries a warning I would repeat here: Rewarble charges card fees, including a monthly fee after two months and fees for new cards and reloads. I don't know the current amounts they can change. Look them up on Rewarble before you redeem. Then work out the cost of a year both ways: one card reloaded each month against a new card each month. Count the reload fee in the first case and the new-card fee in the second. The cheaper answer depends on numbers that sit on Rewarble's side, not ours. A small voucher is a cheap way to find out.
A card that is different: My Payment Vault
The Prepaid Mastercard (My Payment Vault) is a different animal. It is for the United States. Check that the region matches where you will use it. Once your payment confirms, the card number, expiry and CVV arrive by email and appear on screen straight away. Then you go to the My Payment Vault website or app, log in and activate and fund the card. After that you can link it to Apple Pay or Google Pay or use the number online and in store.
The page also lists things you can do with it: bill payments, ATM withdrawals (fees may apply) and international purchases. It says the card is not accepted for restricted categories such as gambling or certain adult services. In stock when I looked, the values ran from 20 to 150 USD.
So the contrast is simple. Rewarble is a code that becomes a card that can be reloaded. My Payment Vault is a card whose details come straight to your inbox and whose funding happens on the issuer's side. The Genghis page does not say that a second Vault code reloads the same card, so I won't claim it.
The small print on limits and ID
Buying either card at Genghis checkout needs an email address and no identity documents. The issuer is a different story. The AML and purchase limits page says that on open-loop cards such as prepaid Visa and Mastercard the issuer may ask you to verify your identity when you activate the card, load it or pass a balance threshold. That request cannot be waived from our side.
For an open-loop prepaid card in a single order the limit is 500 USD without an account and 2,000 USD with a free account, which takes an email and nothing else.
If you want to try the reload pattern, the crypto prepaid cards page lists both cards. Start with the smallest voucher, check what Rewarble charges on the first reload. Only then decide how much to keep on the card.
