Constant bs58::alphabet::MONERO

pub const MONERO: &[u8; 58] = b"123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";

Monero's alphabet as defined in this forum post.

See https://forum.getmonero.org/4/academic-and-technical/221/creating-a-standard-for-physical-coins