Stablecoin Week: 6 Insights Shaping the Future of Money

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Stablecoins have gone from a niche cryptocurrency to one of the fastest-growing forces in global finance. They’re transforming payments and even influencing government debt.

For Stablecoin Week, we partnered with Plasma, a blockchain built for global stablecoin payments, to explore the shifting dynamics. From overtaking Visa in transfer volumes to bold market size forecasts, the series revealed just how big this movement has become.

Below, we’ve compiled six key takeaways.

1. Mapping Stablecoin Regulation

Part of a world map showing stablecoin regulation along with the text "Where are stablecoins regulated?" and a "Get the answer" button.

Clear regulations can be a catalyst for institutional adoption and cross-border expansion. However, the status of regulations differs quite a bit globally.

While some countries have outright bans on cryptocurrency, others have set out specific legislation that acts as guardrails for issuers, custodians, and/or users.

👉 See the map

2. The Assets Backing Stablecoins

A voronoi chart showing Tether's reserves with question marks for the data labels, along with the text "Which assets back Tether & CIrcle's Stablecoins?"

Alongside regulation, the stability of being pegged to the U.S. dollar (for 99% of stablecoins) helps boost confidence among users. But the assets held to support that stability differ depending on the issuer. Circle holds a more conservative balance sheet, while Tether has diversified into riskier assets.

👉 View the full breakdown

3. Stablecoins’ Role in the U.S. Debt Market

A bar chart with the data labels replaced by question marks and the text "Where do stablecoin issuers rank compared to foreign buyers of U.S. debt?"

Because Treasury securities play such a big role in the reserves of stablecoin issuers, Tether and Circle buy a lot of U.S. debt. So much, in fact, that their purchases surpass entire countries in some cases.

👉 Explore the ranking

4. Stablecoins vs. Visa and Mastercard

Part of a line chart along with the text "How does stablecoin transfer volume stack up against Visa and Mastercard?" with a "Get the answer" button.

Outside of debt markets, stablecoins are also a major player in the global payments landscape. Their near-instant, very low-cost transfers have fueled stablecoins’ popularity.

As recently as 2020, stablecoin transfer volume was far below that of Visa or Mastercard. Now, stablecoins have skyrocketed to outpace both major payment networks.

👉Explore the comparison

5. Comparing Stablecoin Value to U.S. Cash

An area chart with the text "Stablecoins' value is equivalent to what percentage of U.S. cash in 2025?"

Stablecoins are growing quickly, but it can be hard to grasp just how much they’re growing without context. We measured the stablecoin market cap relative to the value of all physical U.S. cash in circulation, which includes paper bills and coins. 

In 2020, the value of stablecoins was equivalent to just 1% of U.S. cash in circulation. However, their market cap has surged over the last five years.

👉 See the growth of stablecoins

6. Stablecoin Market Size by 2030

A bar chart with the data labels replaced with questions marks alongside the text "What could the stablecoin market be worth by 2030?"

How big could the stablecoin industry get within the next five years? According to Citi, the market could grow more than 14 times larger by 2030. 

Experts expect this growth will be driven by three factors: the shift of U.S. cash and deposits into digital tokens, the replacement of international short-term liquidity tools with stablecoins, and the growing role of stablecoins as the backbone of cryptocurrency adoption.

👉 View the forecast

Looking Ahead: The Digital Dollar Era

Stablecoins are no longer on the periphery of finance. Instead, they’re redefining how money moves. From evolving regulations to their momentum against traditional payment methods, their trajectory points toward deeper integration with global markets.

Plasma is building the infrastructure to power this next era, enabling global stablecoin transactions that move money with speed and scale.

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