Pointâofâsale transactionsâi.e., swiping a card at the time of purchaseâsecurely encrypt the. credit card data. Cards placed on file for future transactions, such as for express checkâout, use. tokens to access card data.
The outermost layer of Earth is the atmosphere. I say the atmosphere is the outermost layer, because it is as much a part of the of our planet as the atmosphere of other planets is a part of their definition.
The outermost layer of the epidermis is the stratum corneum. The cells of the stratum corneum are dead, and this layer provides a protective layer for the other parts of the epidermis. Stratum corneum is the outer most layer. The outermost layer of the epidermis is the stratum corneum.