Error-correction for dropped packets is also pretty shit.

And directly from the government (in Dutch): https://www.rijksoverheid.nl/onderwerpen/geldzaken/vraag-en-antwoord/kan-ik-met-een-wettig-betaalmiddel-overal-betalen

The contractor I worked for was run by a man who used to say “if the contract says they’ll blow up the contractor on delivery, we’re putting in a bid and solve the problem later”

The library I worked for as a teen used to process off-site reservations by writing them to a text file, which was automatically e-faxed to all locations every odd day.

If you worked at not-the-main-location, you couldn’t do an off-site reservation, so on even days, you would print your list and fax it to the main site, who would re-enter it into the system.

This was 2005. And yes, it broke every month with an odd number of days.