How Japan’s Stablecoin Could Reshape Global Finance

Our Japan Financials Analyst Mia Nagasaka discusses how the country’s new stablecoin regulations and digital payments are set to transform the flow of money not only locally, but globally.

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Welcome to Thoughts on the Market. I’m Mia Nagasaka, Head of Japan Financials Research at Morgan Stanley MUFG Securities. 

Today – Japan’s stablecoin revolution and why it matters to global investors. 

It’s Friday, October 31st, at 4pm in Tokyo. 

Japan may be late to the crypto market. But its first yen-denominated stablecoin is just around the corner. And it has the potential to quietly reshape how digital money moves across the country and globally. 

You may have heard of digital money like Bitcoin. It’s significantly more volatile than traditional financial assets like stocks and bonds. Stablecoins are different. They are digital currencies designed to maintain a stable value by being pegged to assets such as the yen or U.S. dollar. 

And in June 2023, Japan amended its Payment Services Acts to create a legal framework for stablecoins. Market participants in Japan and abroad are watching closely whether the JPY stablecoin can establish itself as a major global digital currency, such as Tether. 

Stablecoins promise to make payments faster, cheaper, and available 24/7. Japan’s cashless payment ratio jumped from about 30 percent in 2020 to 43 percent in 2024, and there’s still room to grow compared to other countries. The government’s push for fintech and digital payments is accelerating, and stablecoins could be the missing link to a truly digital economy. 

Unlike Bitcoin or other cryptocurrencies, stablecoins are designed to suppress price volatility. They’re managed by private companies and backed by assets—think cash, government bonds, or even commodities like gold. Industry watchers think stablecoins can make digital payments as reliable as cash, but with the speed and flexibility of the internet. 

Japan’s regulatory approach is strict: stablecoins must be 100 percent backed by high-quality, liquid assets, and algorithmic stablecoins are prohibited. Issuers must meet transparency and reserve requirements, and monthly audits are standard. This is similar to new rules in the U.S., EU, and Hong Kong. 

What does this mean in practice? Financial institutions are exploring stablecoins for instant payments, asset management, and lending. For example, real-time settlement of stock and bond trades normally take days. These transactions could happen in seconds with stablecoins. They also enable new business models like Banking-as-a-Service and Web3 integration, although regulatory costs and low interest rates remain hurdles for profitability.

Or think about SWIFT transactions, the backbone of international payments. Stablecoins will not replace SWIFT, but they can supplement it. Payments that used to take days can now be completed in seconds, with up to 80 percent lower fees. But trust in issuers and compliance with anti-money laundering rules are critical. 

There’s another topic on top of investors’ minds. CBDCs – Central Bank Digital Currencies. Both      stablecoins and CBDCs are digital. But digital currencies are issued by central banks and considered legal tender, whereas stablecoins are private-sector innovations. 

Japan is the world’s fourth-largest economy and considered a leader in technology. But it takes a cautious approach to financial transformation. It is preparing for a CBDC but hasn’t committed to launching one yet. If and when that happens, stablecoins and CBDCs can coexist, with the digital currency serving as public infrastructure and stablecoins driving innovation. 

So, what’s the bottom line? Japan’s stablecoin journey is just beginning, but its impact could ripple across payments, asset management, and even global finance. 

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