Casino asked for “source of funds”: what does it mean and what do you send?
A "source of funds" (SoF) request asks you to prove where the money you deposited actually came from: it is a step beyond identity KYC, required under anti-money-laundering rules, and it typically appears on larger or flagged withdrawals rather than at sign-up.
What to send: usually a recent bank statement, payslip or salary record, or, for crypto, proof you control the source wallet or an exchange transaction history showing you bought the coins. The document needs to be recent, unedited, and show your name matching the account. Screenshots of an exchange "buy" history or a wallet you can sign from are the most common crypto-native proofs.
A SoF check is usually triggered above a value threshold (often somewhere around the $2,000 mark, though it is risk-based and unpublished) or by an unusual pattern. It adds delay, plan for roughly 24 to 72 hours per review round, and each re-submission of a rejected or unclear document resets the clock, so send clean, complete documents the first time.
Most casinos also want a short cover statement, a source of funds letter, alongside the documents. It does not need legal language; it needs to connect your name, the money, and the proof in a few plain sentences. A template you can adapt: “My name is [full name], and I hold account [username or account email] at [casino]. The funds I deposited between [first deposit date] and [last deposit date] came from [salary / personal savings / cryptocurrency purchased on [exchange name]]. I attach [a bank statement dated (date) / my exchange purchase history / a payslip] showing these funds, in my name. The deposits were sent from wallet [address], which I control and can prove control of on request.” Delete the lines that do not apply, keep it under half a page, and make every bracketed detail match the attached documents exactly, because a mismatch between the letter and the paperwork is the most common reason a review round gets rejected and the clock resets.
Key points
- SoF proves where your deposit money came from: a step beyond identity KYC.
- Accepted: bank statement, payslip, exchange buy-history, or provable source-wallet control.
- Usually triggered on larger/flagged withdrawals (~$2k+, risk-based).
- Documents must be recent, unedited, and name-matched.
- Each rejected re-submission resets the ~24 to 72h clock: get it right first time.
FAQ
What documents count as source of funds?
A recent bank statement, payslip/salary record, or crypto proof such as an exchange transaction history showing you bought the coins, or control of the wallet you deposited from. It must be recent, unedited and match your account name.
Why does the casino need source of funds, not just my ID?
Identity KYC proves who you are; source of funds proves the money is legitimately yours. Anti-money-laundering rules require the second check on larger or flagged withdrawals before releasing funds.
How long does a source-of-funds check take?
Typically 24 to 72 hours per review round for clean documents. Blurry, expired or mismatched files get rejected and restart the timer, so submit clear, complete proof first time.
What should a source of funds letter say?
Four things, in plain language: who you are and your account identifier, where the deposited money came from (salary, savings, or crypto bought on a named exchange), which attached document proves it, and which wallet the deposits came from if you paid in crypto. Half a page maximum, no legal phrasing needed, and every detail must match the attached documents exactly. The full adaptable template is on this page.
Page contributors
Emily Brandt, Withdrawals Analyst, HotPayout. Maps withdrawal limits, coin networks and KYC thresholds operator by operator, and corroborates every delay flag against cited community reports before it goes on the board.
Reviewed this page on 2026-10-08. Corrections are applied to the underlying record rather than patched into the copy. More about the team on our about page.
Related
- Why KYC at withdrawal, not deposit?
- How long is a withdrawal under review?
- Why is my withdrawal pending?
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