Method | Supported | Notes |
Credit/Debit Cards | Yes | Visa, Mastercard, American Express |
Crypto | Yes | USDT (TRC20, ERC20), BTC, ETH |
Apple Pay / Google Pay | Yes | Supported on mobile checkout |
Important:
All challenge fees are one-time payments.
Stradger does not auto-renew or charge subscriptions.
Fees are displayed and charged in USD.
For local currencies, conversion rates depend on your bank or card issuer.