A Brief History
The idea of a stable-price token predates today's market. Early attempts—BitUSD on the BitShares platform and Tether, launched in 2014 under the name Realcoin—grew out of a simple trader need: to exit a volatile asset without leaving the blockchain or returning to the banking circuit. Two influential models then emerged. DAI from MakerDAO (2017) held its peg through excess crypto collateral and was governed by protocol, without a single issuer. USDC from Circle (2018) took a different path—dollar reserves, banking partners, and regular reporting. From these experiments the modern segment took shape.
The scale has changed radically over ten years. By mid-2026 the total stablecoin market capitalization is around $300 billion: USDT accounts for roughly $185 billion, USDC for about $73 billion, and dollar-pegged tokens hold close to 99% of the market (estimate based on DefiLlama data). Stablecoins have become the settlement foundation of the crypto economy and its entry channel for fintech and private holders of capital—especially where access to a dollar account is restricted.
Concept
A stablecoin is a crypto asset whose value is pegged to a stable reference, most often a fiat currency such as the dollar or euro. The idea is to combine the speed and programmability of blockchain settlement with the stability of ordinary money. For a long time the segment lived almost without rules; in 2025 it gained two anchor regulatory systems—the European MiCA and the US GENIUS Act.
Types by Collateral
By method of backing, stablecoins fall into three groups. Fiat-backed stablecoins hold reserves one-to-one in cash and short-term government bonds—the most widespread type, to which the market's largest tokens belong. Crypto-backed stablecoins are issued against over-collateralized deposits of other crypto assets. Algorithmic stablecoins tried to hold the peg without full backing, and the 2022 collapse of TerraUSD vividly showed the fragility of that design.
Why They Matter in Practice
The practical value is visible where ordinary money moves slowly or expensively. On crypto exchanges a stablecoin serves as the primary unit of settlement: positions are opened and closed in the token, not in dollars on a bank account. In cross-border transfers it arrives in minutes and costs less than a correspondent chain. In high-inflation countries it gives people a dollar store of value that bypasses currency controls. In DeFi it works as collateral and base liquidity. Businesses hold it as operational cash for instant payouts to contractors worldwide. Specialized crypto-friendly jurisdictions have grown up around these scenarios.
What MiCA Introduces
The European MiCA regulation split stablecoins into two categories. An e-money token (EMT) is pegged to a single official currency; only a bank or a licensed neobank may issue it, the holder can redeem the token at par at any time, and reserves must at least cover the amount issued and be placed in reliable assets. An asset-referenced token (ART) is pegged to a basket of currencies, commodities, or crypto assets and is regulated more strictly. Separately, MiCA prohibits paying interest to stablecoin holders.
Supervision in the EU is distributed: the EBA oversees ARTs, while large EMTs and ARTs with significant status fall under enhanced joint supervision with ESMA. A token is deemed significant when it exceeds thresholds—more than 10 million holders in the EU, daily turnover above €500 million, or capitalization above €5 billion. For significant EMTs in a non-European currency used as a means of payment, MiCA sets a ceiling: no more than 1 million transactions or €200 million per day. The restriction is aimed squarely at curbing the displacement of the euro by dollar tokens in payments—a long-standing ECB position.
USA: GENIUS Act
In the US the GENIUS Act was signed on 18 July 2025—the first federal regime for payment stablecoins. An important detail: the law is enacted but does not take effect at once. Its requirements start on the earlier of two dates—18 months after enactment or 120 days after regulators issue final rules, i.e. roughly no later than early 2027. Through 2026 this rulemaking (including by the OCC) is still under way. Substantively the law requires 100% backing by liquid assets—dollars and short-term Treasuries—and monthly public disclosure of reserve composition.
The circle of issuers is drawn tightly: only subsidiaries of insured banks, non-bank entities under OCC supervision, and companies licensed by states to comparable standards may issue a payment stablecoin. Issuers come under the Bank Secrecy Act with the full set of AML and sanctions-compliance requirements, may not create the impression that the token is government-insured or serves as legal tender, and on the issuer's bankruptcy holder claims are satisfied first. On balance the regime moves the regulated stablecoin closer to a banking product.
Other Jurisdictions
The third center of regulation is Asia. In Hong Kong the Stablecoins Ordinance has been in force since 1 August 2025: the issuer of a token pegged to the Hong Kong dollar (wherever issued) or issued in Hong Kong itself must obtain an HKMA license, hold paid-up capital of at least HKD 25 million, and maintain liquidity against a year's worth of expenses; algorithmic designs are excluded from the regime. Singapore has framed its own regime for single-currency stablecoins within the MAS approach to payment services. The UK is moving toward a regime under FCA and Bank of England supervision. Details differ, but the frame is common everywhere. More on the Hong Kong licensing hub and the Singapore Payment Services Act.
Risks for Private Wealth
Stablecoins keep their own set of risks. There is depeg, when a token loses parity; the quality and transparency of the issuer's reserves; counterparty and custodial risk in storage; and finally the regulatory factor—where the token is issued and which regime it falls under. In regulated systems a stablecoin plays the role of a settlement and savings instrument in digital form. Transactions with it fall within the perimeter of automatic exchange of information on crypto assets (CARF) and the general transparency logic of CRS.
Taxes and Compliance for the Holder
From the private holder's standpoint a stablecoin remains an ordinary crypto asset, not cash, and that carries tax consequences. In many countries the sale, exchange, or settlement in a token counts as a taxable event even if the price has not moved, so operations have to be tracked and documented. Transparency is growing: data on crypto accounts is gradually entering the perimeter of automatic exchange—CRS and the new CARF standard for crypto assets. Where the token is held also matters—on an exchange, with a custodian, or on your own keys: it drives both the tax nexus and how the asset passes by inheritance.
Where the Market Is Heading
The direction of travel is already clear. The regulated stablecoin is coming to resemble a banking instrument: the same demands on reserves, reporting, and redemption. Alongside it grow tokenized deposits—tokenized bank deposits—and on-chain money market funds, competing for the role of on-chain cash. Institutional issuers, including banks and payment companies, are entering the market. The US, EU, and Asian frames converge in substance while differing in detail. In parallel, stablecoins are joining up with the tokenization of real-world assets: a regulated dollar token naturally becomes the settlement basis for tokenized bonds and funds. In the background runs geopolitics—competition between dollar stablecoins and the future digital euro and other CBDCs.
This material is for informational purposes only and does not constitute individual legal, tax, or investment advice.