List of characters used in Base58 encoding.
These characters are listed in the table in Section `Base58 symbol chart' of Page `Base58Check encoding' of [Wiki], along with their corresponding values in base 58. This list is ordered according to increasing values.
Definition:
(defconst *base58-characters* (explode "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"))