How-to-simply...

Get Base58 alphabet

  • 1 123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz
  • 2 0 zero is not in Base58
    I capital letter i is not in Base58
    O capital letter o is not in Base58
    l lowercase letter L is not in Base58
  • 3 Base58 is similar to Base64 but omits 0IOl+/-_= characters
  • N URL-Safe Base64 drops the = sign padding and replaces + and / with - and _

References