What is the total supply of bal?

Excuse me, could you please clarify what you mean by "bal"? Are you referring to a specific cryptocurrency or token? If so, the total supply of any given cryptocurrency can vary greatly depending on the protocol and goals of the project. For example, some cryptocurrencies have a fixed supply that cannot be altered, while others have a supply that can be adjusted over time. Without knowing the specific cryptocurrency you're referring to, it's difficult to give an accurate answer to your question. Could you please provide more context or specify which cryptocurrency you're asking about?