Source of Funds Requests on Duel.com
Why Duel.com requests source of funds proof, acceptable documents, how much detail is needed, privacy concerns, and how SOF differs from standard KYC.
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Quick answer
Source of funds checks feel invasive because they are supposed to — regulators require operators to understand money trails, not just faces on IDs.
Why SOF is requested
Key facts
- Large single transactions
- Deposit or withdrawal spikes
- Cumulative volume
- Thresholds over months
- Profile mismatch
- Stated income vs play volume
- Risk flags
- VPN, rapid coin changes, third-party wallets
Triggers: when verification is requested.
SOF vs standard KYC
| Aspect | Standard KYC | Source of funds |
|---|---|---|
| Purpose | Identity and age | Legitimate wealth origin |
| Typical docs | ID, address, selfie | Income, bank, acquisition trail |
| Timing | First withdrawal common | After volume thresholds |
| Review depth | Minutes to days | Days to weeks |
Acceptable document types
| Feature | Source type | Example evidence |
|---|---|---|
| Employment income | Salary | Recent payslips, employment contract |
| Self-employment | Business revenue | Tax return, business bank statements |
| Savings | Accumulated funds | Bank statements showing balance build |
| Asset sale | Property, vehicle | Sale contract, settlement statement |
| Crypto acquisition | Exchange buy | Exchange CSV, TXIDs from purchase wallet |
| Gift or inheritance | Third-party transfer | Letter, probate docs, donor SOF sometimes |
More ID detail: KYC documents accepted.
Submission best practices
Read the specific request
Provide exactly what compliance asked — not unrelated accounts.
Ensure names and dates align
Documents must match verified identity and cover period of deposits.
Redact unrelated third-party data minimally
Only account numbers needed — follow platform redaction guidance if provided.
Upload PDF originals where possible
Clear scans beat phone photos of screens.
Upload via official portal only
Never email SOF to unsolicited addresses.
Crypto-specific trail
Step 1
Fiat on-ramp
Exchange KYC history
Step 2
Wallet transfer
TXIDs linking exchange to deposit wallet
Step 3
Casino deposit
Platform TXID matches trail
Step 4
Reviewer satisfied
Withdrawal proceeds
Timeline expectations
SOF adds to standard KYC time: how long verification takes. Complex trails may require iterative requests — respond promptly.
Privacy and legal basis
Withdrawal holds: withdrawal pending.
Common rejection reasons
- Statements do not cover deposit period
- Third-party account without explanation
- Unreadable or edited PDFs
- Income inconsistent with volume — need more context letter
- Privacy coins with no acquisition trail
Rejected SOF: follow same resubmission discipline as verification rejected.
Summary
Source of funds proves legitimate origin of money — beyond identity checks. Provide dated, matching documents for the requested period through official channels only. Crypto deposits need visible acquisition trails. Expect longer review than basic KYC and cooperate fully to release withdrawals.
Frequently asked questions
Duel.help Research Desk
Payments, verification & compliance research
The research desk focuses on deposits, withdrawals, verification flows, jurisdictional availability and the operational side of crypto casinos.
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Independent and unaffiliated with Duel.com. Read our editorial policy to see how these guides are researched and reviewed.
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Parent category
Verification · 6 articles
KYC checks, when they are triggered, what documents help and how long it takes.
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