Ruchir Sharma, chief global strategist at Morgan Stanley Investment Management and head of emerging markets, argued in an opinion piece published by the Financial Times that Bitcoin is making progress toward a much larger ambition: challenging the U.S. dollar’s role as the world’s reserve currency. His thesis rests on a mix of macroeconomic pressure, declining confidence in fiat systems, and the gradual expansion of Bitcoin’s use beyond speculation.
According to Sharma, the conversation begins with the unusual strength and longevity of the dollar. He noted that the U.S. dollar has held reserve currency status for roughly 100 years, while previous reserve currencies lasted about 94 years on average. That alone, he suggested, should prompt questions about how long the current system can endure. Yet the dollar has continued to dominate largely because no obvious successor has emerged. Traditional alternatives such as the euro and China’s renminbi, in his view, have not been able to fully fill the role.
Why the Dollar’s Position Is Being Questioned
Sharma argued that U.S. policymakers took confidence from this lack of competition, especially during the economic shock caused by the Covid-19 lockdowns. In that environment, officials believed they could expand dollar supply on an extraordinary scale without fundamentally undermining the currency’s reserve status. That flexibility allowed the U.S. to continue running major deficits without immediate visible consequences.
But Sharma’s warning is that a new category of challengers has emerged, one that does not need to look like a conventional sovereign currency to matter. In his framing, cryptocurrencies, and Bitcoin in particular, are being promoted as decentralized and more democratic alternatives to the existing monetary order. Even if they do not immediately replace the dollar, their rise introduces a new form of competition based on technology, scarcity, and distrust of central banking.
His argument reflects a broader concern that the reserve status of a currency ultimately depends on confidence. Historically, dominant currencies do not last forever. They weaken when the rest of the world begins to doubt whether the issuing country can continue honoring its obligations and preserving the value of its money. Sharma sees the current period of aggressive monetary expansion and rising debt as a potential inflection point for that trust.
Bitcoin’s Appeal in an Era of Monetary Expansion
Sharma acknowledged that Bitcoin remains controversial. It still faces criticism from skeptics, including investors who prefer gold as a hedge against currency debasement. Nonetheless, he argued that many market participants have been buying Bitcoin in size because they fear that central banks, led by the U.S. Federal Reserve, are eroding the purchasing power of traditional currencies.
That fear, he said, has been reflected in price performance. Bitcoin had more than quadrupled since March, making it one of the hottest investments of 2020. In Sharma’s view, this rally cannot be explained simply as speculative excitement. It also represents a search for alternatives at a time when monetary authorities are aggressively expanding balance sheets and governments are relying heavily on borrowing.
His macro argument becomes more pointed when he turns to the U.S. balance sheet. Sharma wrote that after decades of build-up, U.S. debts to the rest of the world exceeded 50% of economic output the previous year, citing that level as a threshold the International Monetary Fund associates with rising crisis risk. He added that those liabilities then surged to 67% of output as the government continued to borrow heavily during lockdowns.
For Sharma, this is not just a debt statistic. It is a signal that the foundations of dollar dominance may be weakening. He argued that the dollar’s reign is likely to end when global confidence fades and the world begins to question whether the United States can keep paying its bills. That, he noted, is the pattern by which previous dominant currencies lost their status.
From Store of Value to Medium of Exchange
A key part of Sharma’s case is that Bitcoin is no longer only a speculative asset or a digital version of gold. While he acknowledged that most Bitcoin is still held as an investment rather than spent in daily commerce, he argued that this is beginning to change. In his view, Bitcoin is making progress not only as a store of value but also as a medium of exchange.
He pointed to practical use cases among smaller businesses engaged in international trade. In particular, he highlighted countries where access to dollars is limited or local currencies are unstable. He cited Nigeria as an example of a market where dollars can be difficult to obtain, and Argentina as an example of a country dealing with local currency instability. In such environments, Bitcoin can function as a workaround for cross-border commerce and value transfer.
This point is critical because reserve currencies are not defined by symbolism alone. They become entrenched through use in trade, settlement, savings, and financial intermediation. Sharma’s argument suggests that Bitcoin’s relevance increases when it begins to solve real-world transactional problems, especially in regions where the existing monetary system is less reliable or less accessible.
Mainstream Adoption Signals
Sharma also cited the involvement of major payment companies as evidence that Bitcoin is moving further into the mainstream. He noted that PayPal and its subsidiary Venmo were planning to allow 28 million merchants to accept Bitcoin the following year. While merchant acceptance does not automatically translate into reserve currency status, it does expand the infrastructure that makes Bitcoin usable in commerce.
That kind of integration matters because it lowers barriers to adoption for both businesses and consumers. Payment rails, merchant tools, and recognizable consumer brands can help turn a niche digital asset into something more familiar and functional. For Sharma, these developments support the idea that Bitcoin’s trajectory is no longer confined to trading desks and enthusiast communities.
He appears to be making a broader point: monetary competition in the digital age may unfold differently from earlier historical transitions. A challenger does not necessarily need to be a rival nation-state with a stronger balance sheet or a larger empire. It may emerge from a technological network that gains trust through scarcity, accessibility, and user adoption.
A Warning to Governments and Central Banks
Despite his bullish framing, Sharma did not present Bitcoin as a guaranteed winner. He explicitly warned that Bitcoin’s surge could still prove to be a bubble. Yet he argued that even if such a bubble were to burst, the rush into cryptocurrencies during the year should still serve as a warning to governments and monetary authorities, especially in the United States.
His message was direct: policymakers should not assume that traditional national currencies will remain the only stores of value or the only mediums of exchange that people trust. In a world shaped by digital networks and increasingly skeptical, tech-savvy users, alternatives will continue to emerge. If one model fails, another may be built.
That warning extends to regulation as well. Sharma suggested that attempts by governments to step in aggressively and regulate the digital currency boom could backfire. Rather than extinguishing interest, such intervention might accelerate what he described as a populist revolt against the established monetary order. In other words, distrust in traditional finance could itself become a catalyst for greater crypto adoption.
The Bigger Takeaway
Sharma’s argument does not claim that Bitcoin is on the verge of immediately dethroning the dollar. Instead, it frames Bitcoin as an increasingly credible challenger in an environment defined by money printing, debt expansion, and weakening confidence in fiat stability. The significance of his view lies in where it comes from: not from a crypto maximalist camp, but from a mainstream global strategist at a major financial institution.
Whether or not Bitcoin ever becomes the world’s reserve currency, Sharma’s core point is that the monetary landscape is changing. The old assumption that sovereign currencies face no serious competition is becoming harder to defend. As more people seek alternatives for storing value and transferring money, Bitcoin is gaining relevance not only as an asset, but as a signal that trust in the traditional system is no longer absolute.