Supported Currencies
XFX supports a set of fiat and stablecoin currencies across traditional payment rails and blockchain networks. These currencies can be used for pricing, trading, and settlement, subject to the trading constraints outlined below.
ImportantNot all supported currencies are tradable against each other at all times.
Settlement Currencies & Rails
This table describes the currencies XFX can receive and settle, along with the underlying rails and expected settlement times.
| Currency | Rail | Network | Settlement SLA |
|---|---|---|---|
| USD | Fedwire | N/A | < 1 hour |
| USDT | Blockchain | Ethereum | Instant |
| USDT | Blockchain | Tron | Instant |
| USDT | Blockchain | Tempo | Instant |
| USDT | Blockchain | Polygon | Instant |
| USDC | Blockchain | Ethereum | Instant |
| USDC | Blockchain | Solana | Instant |
| USDC | Blockchain | Tempo | Instant |
| USDC | Blockchain | Polygon | Instant |
| MXN | SPEI | N/A | Instant |
| COP | ACH | N/A | By request |
Notes
- "Instant" refers to on-chain or real-time settlement under normal network conditions
- Fiat settlement SLAs may vary based on local banking hours and counterparties
Tradable Currency Pairs
XFX supports a defined set of tradable currency pairs, each with its own base currency, trading window, and trade size limits. All sizes are expressed in USD nominal.
| Currency Pair | Base Currency | Trading Hours (ET) | Minimum Trade Size | Maximum Trade Size |
|---|---|---|---|---|
| USD/MXN | USD | 9 AM – 5 PM ET | $10,000 USD | — |
| USDT/MXN | USDT | 9 AM – 5 PM ET | $10,000 USD | — |
| USDC/MXN | USDC | 9 AM – 5 PM ET | $10,000 USD | — |
| USD/COP | USD | 9 AM – 2:30 PM ET | $10,000 USD | — |
| USDT/COP | USDT | 9 AM – 2:30 PM ET | $10,000 USD | — |
| USDC/COP | USDC | 9 AM – 2:30 PM ET | $10,000 USD | — |
| USD/USDT | USD | 9 AM – 5 PM ET | $10,000 USD | — |
| USD/USDC | USD | 9 AM – 5 PM ET | $10,000 USD | — |
| USDT/USD | USDT | 9 AM – 5 PM ET | $10,000 USD | $500,000 USD |
| USDC/USD | USDC | 9 AM – 5 PM ET | $10,000 USD | $500,000 USD |
| USDC/USDT | USDC | 9 AM – 5 PM ET | $10,000 USD | $500,000 USD |
Trading Constraints & Expectations
Keep in mind
- Quotes are only returned during the defined trading hours for each pair
- Trades below the minimum size or above the pair maximum will be rejected at quote time
- Availability may vary based on liquidity, risk limits, and settlement capacity
XFX is actively expanding supported pairs, trading hours, and size limits.
Updated 13 days ago
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