As a keen observer of the cryptocurrency market, I'm always curious about the underlying economic principles and supply dynamics of various blockchain projects. One such project that has piqued my interest is ZetaChain. Could you please elaborate on the total supply of ZetaChain? Understanding the total supply is crucial in assessing the project's potential for scarcity, inflation, and overall market valuation. Additionally, it would be valuable to know if there are any mechanisms within ZetaChain's protocol that could alter the total supply over time, such as mining rewards or token burns. Clarifying these details would help me gain a more comprehensive understanding of the project's economic model and its implications for investors.