With no card number, CVV security code, expiration date or signature on the card, Apple Card is more secure than any other physical credit card.
Source: Apple Card launches today for all US customers – Apple
While @jackieLbrewer was working at the bakery there was a cash register glitch. For several days they took credit card payments on paper, writing the number down by hand, and then entering them manually at the end of the day.
Those customers would have been totally secure from being able to buy bread.