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New to 4rho? Start here.

Sign in, embedded vs external wallets, USDC and gas.

Add money, cash out, send USDC, and read your balance.

Orders, odds, RFQ, and how the order book works.

How markets settle and how you claim winnings.

Limits, cooling-off, and self-exclusion.

MFA, sign-in history, and what suspension means.

Programmatic access - pointer to the API reference.

When something goes wrong.