No example of a barter economy, pure and simple, has ever been described, let alone the emergence from it of money; all available ethnography suggests that there never has been such a thing Caroline Humphrey, Barter and Economic Disintegration (1985)

500 euro banknote

"For security reasons 500 euro banknotes are not accepted" (pump at gas station in Kehl, Germany).
 

Με την σταδιακή κατάργηση, ή περιορισμό, των μετρητών ανοίγονται νέες ευκαιρίες για τις τράπεζες.