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Answers to the questions traders ask most — wallets, fees, orders, claims, and more.
New to 4rho? Start here.
4 articles
Sign in, embedded vs external wallets, USDC and gas.
6 articles
Add money, cash out, send USDC, and read your balance.
4 articles
Orders, odds, RFQ, and how the order book works.
7 articles
How markets settle and how you claim winnings.
4 articles
Limits, cooling-off, and self-exclusion.
4 articles
MFA, sign-in history, and what suspension means.
4 articles
Programmatic access — pointer to the API reference.
1 article
When something goes wrong.
5 articles
Open a support ticket. We read every one and you'll see replies in your inbox.