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.

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Important
Not 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
USDC	Blockchain	Ethereum	Instant
USDC	Blockchain	Solana	Instant
MXN	SPEI	N/A	Instant
COP	ACH	N/A	By request

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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 minimum trade size. All minimums are expressed in USD nominal.

Currency Pair	Base Currency	Trading Hours (ET)	Minimum Trade Size
USD/MXN	USD	9 AM – 5 PM ET	$100,000 USD
USDT/MXN	USDT	9 AM – 5 PM ET	$100,000 USD
USDC/MXN	USDC	9 AM – 5 PM ET	$100,000 USD
USD/COP	USD	By request	$100,000 USD
USDT/COP	USDT	By request	$100,000 USD
USDC/COP	USDC	By request	$100,000 USD
USD/USDT	USD	9 AM – 5 PM ET	$100,000 USD
USD/USDC	USD	9 AM – 5 PM ET	$100,000 USD

Trading Constraints & Expectations

🚧
Keep in mind

Quotes are only returned during the defined trading hours for each pair

Trades below the minimum size 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 minimum sizes.