RealOpen is not a lender
Start here, because everything else depends on it. RealOpen does not make, broker, arrange or fund loans, and it has no part in any loan secured by crypto. A financed buyer chooses their own lender, and that lender decides what it will accept. RealOpen's role on a financed deal is verification and documentation: it proves what the buyer holds, converts what is being converted, and produces the paper an underwriter can check. Call it RealOpen's crypto reserve asset verification when you are talking to a lender, and the RealScore Report when you are naming the document.
Your job is awareness, not underwriting. You do not need to know the guidelines. You need to know which conversation your buyer is in, and to get the right people talking before anything is sold or moved.