Comment on The problem with adding forgery prevention features to paper money is that people could just forge the old version of the bill.

TheWeirdestCunt@lemmy.today ⁨5⁩ ⁨days⁩ ago

• pruwybn@discuss.tchncs.de ⁨5⁩ ⁨days⁩ ago

  Maybe the US is weird then? Seems like old money is always valid:

  uscurrency.gov/acceptance-and-use-older-design-fe…

  source

  • TheWeirdestCunt@lemmy.today ⁨5⁩ ⁨days⁩ ago

    Yeah in the UK old currency is fazed out in less than a year. £1 coins changed in 2016 and it only took a few months till the old design was invalid

    source

    • LodeMike@lemmy.today ⁨5⁩ ⁨days⁩ ago

      Wait, then how do you deal with that?

      source

      • TheWeirdestCunt@lemmy.today ⁨5⁩ ⁨days⁩ ago

        There’s an overlap where both are valid for a few months and you can trade them in at post offices and banks but after that period is up it’s just tough luck I guess

        source

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