The digital currency ecosystem has moved far beyond the realm of niche speculation. By the third quarter of 2025, the total market capitalisation of stablecoins (digital assets pegged to fiat currencies, predominantly the US dollar) soared past $300 billion. This growth represents a staggering 75% increase in just one year. Experts forecast that this market trajectory could lead to the sector exceeding $2 trillion by 2028, driven by applications far more substantial than crypto trading - spanning global remittances, e-commerce and business-to-business settlement. However, this proliferation of digital US dollars carries a profound systemic risk. With dozens of competing issuers operating under divergent regulatory regimes and technical standards, the stability of the global financial system faces a threat that echoes one of the most chaotic periods in US history: the 19th-century era of ‘wildcat banking’. This fragmentation challenges the fundamental economic principle known as the si…
The wild west of digital money: why $300 billion in stablecoins threatens monetary singleness
