If you look into many people's wallets, you will find all sorts of colorful credit cards, even more than cash, they have become a small credit card showcase. Not to mention different banks, even the same bank has various different credit cards issued. Sometimes having too many credit cards is not a good thing, it is confusing to know which card has been used for what purchases and what the password is for each card. This all-in-one credit card will hopefully replace all credit cards in the future. By then, we only need to carry this one credit card, truly achieving the convenience of having one card in hand to travel the world. The back of this all-in-one credit card has a memory card slot, which can help users upgrade various credit card information. In other words, the credit cards in the future will be more about data storage, which can be transferred through memory cards. Then this all-in-one credit card will be a physical carrier, used to load various credit card information. The other end of the all-in-one credit card is a rotating handle, allowing you to choose the corresponding credit card to use. Its display shows the front of the credit card, when a transaction is completed, the receipt will be generated on the display and stored in the memory card. Such an all-in-one credit card can be considered as the electronic credit card of the future. Compared to the current credit card which is just a card, it is much more powerful in function.