Great one! How can the receiver be sure the bill is still backed? (Also in an offline Environment, no 3,4,5G, no wifi, no phone)?
Discussion
Question good for the bearer as well as the receiver.
Great one! How can the receiver be sure the bill is still backed? (Also in an offline Environment, no 3,4,5G, no wifi, no phone)?
Question good for the bearer as well as the receiver.