How Source-of-Funds Verification Works for Casinos
You go to withdraw, and the casino asks a question that feels way more intense than “send ID.”
They want proof of where your money came from.
That’s when players panic and assume the casino is stalling.
Sometimes it is. But in many regulated markets, source-of-funds (SOF) checks are a legal compliance step.
This guide explains how source-of-funds verification works, what triggers it, what documents casinos ask for, and how to avoid the most common mistakes that delay withdrawals.







