If DOGE has unlimited issuance, then theoretically gold also has unlimited issuance—gold is mined every year. DOGE's mild inflation aligns closely with gold. As for ETH, its supply is even more limitless. The key for a cryptocurrency to eventually become a circulating currency is: 1. Complete decentralization 2. Mild inflation BTC, on the other hand, is fixed in supply, which means Bitcoin is destined to only serve as a store of value and can never become a circulating currency.