Base58 is a format for representing data using only letters and numbers, but no letters which might look ambiguous when printed.
Base58 is a format for representing data using only letters and numbers, but no letters which might look ambiguous when printed. It might be an appropriate tag, depending on the importance of the Base58 format in the context of your question or answer.
If your question or answer makes just as much sense when the formats used do NOT include Base58 as when they do, then don't use the tag, as it will merely pollute its meaning.