Stablecoins
USD.AI (USDai)
Data as of 3 October 2026 · Official site
USD.AI (USDai) is a crypto-backed stablecoin pegged to the US dollar, issued across 3 chains. On 3 October 2026 its circulating supply was $319.1M, up 38.7% over 30 days, which places it 29th of 48 stablecoins tracked here. DefiLlama prices it at $1.0000. Supply is what the issuer has outstanding. It is not a measure of reserves, and a steady supply figure says nothing on its own about whether the peg is holding.
- Circulating supply$319.1M
- 30-day change+38.7%
- PegUS dollar
- Mechanismcrypto-backed
Circulating supply, over time
Among stablecoins
| # | Stablecoin | Circulating supply |
|---|---|---|
| 1 | Tether (USDT) | $184.0B |
| 2 | USD Coin (USDC) | $74.2B |
| 3 | Sky Dollar (USDS) | $6.8B |
| 4 | Ethena USDe (USDe) | $4.9B |
| 5 | Dai (DAI) | $4.8B |
| 6 | World Liberty Financial USD (USD1) | $4.4B |
| 7 | Global Dollar (USDG) | $3.1B |
| 8 | PayPal USD (PYUSD) | $2.9B |
| 9 | Ripple USD (RLUSD) | $2.5B |
| 10 | Circle USYC (USYC) | $2.4B |
| 11 | BlackRock USD (BUIDL) | $2.2B |
| 12 | Ondo US Dollar Yield (USDY) | $2.2B |
| 13 | United Stables (U) | $1.6B |
| 14 | USDD (USDD) | $1.5B |
| 15 | Falcon USD (USDf) | $1.5B |
| 16 | USDGO (USDGO) | $1.2B |
| 17 | GHO (GHO) | $698.5M |
| 18 | Open USD (OUSD) | $666.2M |
| 19 | Usual USD (USD0) | $546.0M |
| 20 | EURC (EURC) | $536.1M |
| 21 | Ethena USDtb (USDTB) | $533.6M |
| 22 | YLDS (YLDS) | $512.2M |
| 23 | Polymarket USD (pUSD) | $489.8M |
| 24 | Multipli rwaUSDi (rwaUSDi) | $487.4M |
| 29 | USD.AI (USDai) | $319.1M |
Supply by chain
Issuer disclosures recorded by DefiLlama
Users mint USDai by depositing USDC into USD.AI and can redeem it 1:1, while sUSDai converts USDai into a yield-bearing token redeemable after a notice period
Audit and attestation links: docs.usd.ai. Cryptonist has not verified them.
Price on the snapshot date: $1.0000. Chains: 3.
Source: DefiLlama, retrieved 3 October 2026, under its open methodology. Figures are a dated snapshot, not a live feed.