Cash is tracked via serial numbers in a lot of places, here is a recent article from Germany. https://netzpolitik.org/2025/bargeld-tracking-du-hast-ueberwachun

Cash is tracked via serial numbers in a lot of places, here is a recent article from Germany. https://netzpolitik.org/2025/bargeld-tracking-du-hast-ueberwachungsinstrumente-im-portemonnaie https://netzpolitik.org/2025/bargeld-tracking-du-hast-ueberw...