Max supply refers to the total number of coins or tokens that will ever exist for a specific cryptocurrency. This supply limit is set in the blockchain protocol to ensure scarcity, influencing the asset's long-term value. The concept is rooted in the economic principle of supply and demand, where a limited supply can drive value appreciation over time.

Different cryptocurrencies have different maximum supply limits, depending on their design and governance. For instance, Bitcoin's max supply is capped at 21 million coins, while , leading to the introduction of mechanisms, as well as ongoing debates about inflation and long-term value preservation.