Some fonts made for use with desktops created the "0" character far more squared at the sides, like a rectangle, plus the "O" character more rounded. An additional difference is built in falsification-hindering typeface as used on German auto selection plates by slitting open the digit 0 on the https://financefeeds.com/anchorage-digital-integrates-copyright-api-to-bring-institutional-defi-access-within-self-custody-wallet/