Stablecoins' market cap surges to record high as US senate passes bill

June 18 (Reuters) - The total market capitalization of stablecoins surged to a record high on Wednesday, data showed, as the U.S. Senate passed a bill to regulate the sector, a major step towards legitimising a once-niche but now fast-growing corner of the crypto market.

Show market capitalization of Stablecoins

According to CoinDesk data, the market capitalization of stablecoins hit an all-time high of $251.7 billion, up 22% so far this year.

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Shows market cap breakdown of stablecoins

Stablecoins are a type of cryptocurrency designed to maintain a constant value, usually via a 1:1 peg with the U.S. dollar. They are commonly used by crypto traders to move funds between tokens. 

Their use has soared in recent years, and analysts expect the market to grow further once the U.S. legislation has passed.

Proponents say stablecoins could be used to send payments instantly, while others worry they will lead to closer ties between the crypto world and traditional financial markets.

If the U.S. bill is eventually signed into law, stablecoins would be required to be backed by liquid assets such as U.S. dollars and short-term Treasury bills, and issuers to publicly disclose the composition of their reserves every month.

Reporting By Patturaja Murugaboopathy in Bengaluru; Editing by Tommy Reggiori Wilkes and Alex Richardson

The market capitalization of stablecoins has surged to an all-time high, following the U.S. Senate’s recent passage of a landmark regulatory bill aimed at providing clearer oversight and legitimacy to the digital asset sector. This legislative breakthrough has sparked renewed investor confidence in stablecoins—cryptocurrencies pegged to traditional fiat currencies like the U.S. dollar—leading to a sharp increase in demand and usage across both centralized and decentralized platforms.

As of mid-June 2025, the total stablecoin market cap has surpassed $160 billion, with Tether (USDT) and USD Coin (USDC) leading the charge. The bill, which introduces standardized rules for stablecoin issuance, reserves, and transparency, is widely seen as a positive step toward integrating digital assets more fully into the traditional financial system.

Market analysts attribute the surge to growing institutional interest, improved regulatory clarity, and a broader shift toward digital settlement infrastructure. With the Senate's approval, stablecoins are now poised to play a central role in cross-border payments, on-chain finance (DeFi), and tokenized asset trading.

The legislation also includes provisions for banking and non-banking entities to issue stablecoins under strict supervision, ensuring adequate reserves and frequent disclosures. This move has reduced regulatory uncertainty and opened doors for fintech firms, traditional banks, and blockchain-native platforms to expand stablecoin-based services.

Investor sentiment around the crypto sector has significantly improved, as evidenced by rising trading volumes and increasing wallet addresses holding stablecoins. The development is also expected to influence global regulators, many of whom are watching how the U.S. frameworks evolve.

In short, the Senate’s regulatory milestone has turbocharged the stablecoin market, paving the way for more secure, compliant, and scalable growth in digital finance.

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