What is the total supply of AltLayer?

Could you please elaborate on the total supply of AltLayer? I'm curious to understand the specifics behind its issuance model. Does AltLayer have a fixed or variable supply? If it's fixed, what is the exact number of coins in existence? And if it's variable, what factors determine the rate of issuance and supply growth? Understanding these details is crucial for investors to assess the potential scarcity and value of AltLayer over time. So, could you provide a concise yet comprehensive answer to this question?