# Stablecoins
> Private digital tokens pegged to fiat currencies, primarily the US dollar, that have grown into a US$300 billion global payments and settlement layer with rising regulatory scrutiny.

**Meta:** type: reference · date: 2026-07-03 · heads:  · 4 takes · 2 lenses · 2 regions

## What it is

Stablecoins are privately issued digital tokens pegged to a reference asset, nearly always the US dollar. The issuer holds liquid assets, typically US cash and short-term US Treasury bills, equal to coins in circulation, and redeems tokens at one-to-one on demand. The two dominant issuers are Tether (USDT) and Circle (USDC), which together accounted for over 95% of the roughly US$300 billion market as of late 2025. A category of algorithmic stablecoins, which used programmatic mechanisms rather than reserves, largely collapsed after TerraUSD failed in May 2022.

The primary use case is crypto trading: stablecoins are the on-ramp and off-ramp between fiat money and volatile crypto assets. A second use case, growing fastest in emerging markets, is cross-border payment, where stablecoins route around slow and costly correspondent banking in dollar-scarce economies. The [Lagos-based Daya startup](/zh/n/daya-stablecoin-pre-seed-2026), which raised US$2.4 million in June 2026 to build stablecoin payment rails for African businesses, is a representative example.

## History

Tether launched USDT in 2014, initially on the Bitcoin blockchain and later on Ethereum and Tron, to give traders a dollar-denominated unit that did not require exiting to traditional banking between trades. Circle launched USDC in 2018 in partnership with Coinbase. TerraUSD (UST), an algorithmic stablecoin, collapsed in May 2022, wiping roughly US$40 billion in paper value within days when its programmatic peg mechanism failed, eliminating the algorithmic category as a credible model. By 2025, gross notional stablecoin transaction volumes reached roughly US$35 trillion annually, though the IMF's December 2025 paper estimated only about US$390 billion of that was payment-related rather than internal crypto trading.

## Current state

As of mid-2026, the aggregate stablecoin market capitalisation stood above US$300 billion, roughly doubled from two years earlier. USDT, issued by Tether and settled predominantly on Tron and Ethereum, accounts for the majority; USDC, regulated under US money-transmission laws, holds most of the remainder. The US enacted the GENIUS Act on July 18, 2025, the first federal law governing payment stablecoins. It requires 100% liquid reserve backing (US dollars or short-term Treasuries), monthly public disclosure of reserve composition, Bank Secrecy Act and sanctions compliance, and grants stablecoin holders priority over other creditors in insolvency. The law created a dual state-federal licensing track. The [central bank digital currency](/zh/n/cbdc-dossier) path, which would put dollar-pegged digital money on sovereign balance sheets rather than private ones, remains stalled in the US, where an executive order in early 2025 halted CBDC research. The BIS estimated that stablecoin reserve demand has measurable effects on US Treasury bill yields: a US$3.5 billion issuance event lowers 3-month T-bill yields by up to 4 basis points within 10 days, a signal of the market's growing size relative to short-term sovereign debt supply.

## Relationships

Settled on public blockchains, stablecoins are a vector for sanctions evasion and illicit finance, as documented in the [Garantex-Grinex case](/zh/n/garantex-grinex-crypto-sanctions-2026) and the [crypto laundering dossier](/zh/n/crypto-laundering-dossier). Their reserve holdings make Tether and Circle significant buyers of short-term US government debt, linking crypto market growth to US Treasury funding conditions. The IMF and the US Treasury have both noted that dollar-denominated stablecoins extend [dollar reach](/zh/n/us-dollar-dossier) into unbanked corridors, reinforcing dollar dominance while also exposing users to US sanctions jurisdiction. The FSB's October 2025 peer review found persistent regulatory gaps globally: the GENIUS Act applies to US issuers, while Tether, domiciled in the British Virgin Islands, faces lighter obligations under separate regimes.

## What to watch

- GENIUS Act implementation through 2026: which issuers seek federal versus state licences, and whether Tether restructures operations to comply or stays offshore.
- Whether the EU's Markets in Crypto-Assets (MiCA) regulation, which entered force in 2024, converges with the GENIUS Act or creates a bifurcated compliance landscape for global issuers.
- Emerging-market stablecoin payment corridors, particularly in Africa and Southeast Asia, where dollar-scarce economies are adopting stablecoin rails fastest and where regulatory frameworks are still forming.
- US Treasury bill market sensitivity: if aggregate stablecoin issuance reaches US$500 billion or more, reserve demand could become a regular factor in short-term US government funding conditions.
- Any revival of algorithmic or partially-backed stablecoin models in less regulated jurisdictions, which the FSB flagged as an ongoing financial stability concern.

## Regional takes (batched by bias / lens)

### official research
- **IMF, Understanding Stablecoins (Departmental Paper, December 2025)** (global, en) — Comprehensive IMF departmental paper covering stablecoin market structure, use cases, risks, and the evolving international regulatory landscape; notes aggregate market capitalisation surpassed US$300 billion by late 2025 and transaction volumes reached roughly US$35 trillion annually.
  Source: https://www.imf.org/en/publications/departmental-papers/issues/2025/12/02/understanding-stablecoins-570602
- **BIS Working Paper No. 1270, Stablecoins and Safe Asset Prices** (global, en) — BIS empirical study on stablecoin reserve demand; finds a US$3.5 billion inflow lowers 3-month US Treasury bill yields by 0.71 basis points on impact and up to 4 basis points within 10 days, linking stablecoin issuance to short-term US sovereign debt markets.
  Source: https://www.bis.org/publ/work1270.pdf

### official record
- **Financial Stability Board, Crypto-assets and Global Stablecoins** (global, en) — FSB regulatory framework hub, including July 2023 final recommendations for global stablecoin arrangements and the October 2025 thematic peer review finding significant cross-jurisdictional gaps in implementation.
  Source: https://www.fsb.org/work-of-the-fsb/financial-innovation-and-structural-change/crypto-assets-and-global-stablecoins/
- **White House, Fact Sheet: President Donald J. Trump Signs GENIUS Act into Law (July 18, 2025)** (United States, en) — White House announcement of the GENIUS Act signing on July 18, 2025, establishing the first US federal framework for payment stablecoins: 100% liquid reserve requirements, monthly public disclosures, Bank Secrecy Act compliance, and insolvency priority for holders.
  Source: https://www.whitehouse.gov/fact-sheets/2025/07/fact-sheet-president-donald-j-trump-signs-genius-act-into-law/

## Across the graph
- Related: [[daya-stablecoin-pre-seed-2026]], [[cbdc-dossier]], [[crypto-web3-dossier]], [[us-dollar-dossier]], [[garantex-grinex-crypto-sanctions-2026]], [[crypto-laundering-dossier]]
- Entities: Market:stablecoins, Tether, Usdc, Circle, Crypto Web3, Fintech

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