1. Loan Application (Borrower Lying about income) 2. Mortgage Originator ( Not validating loan application ) 3. Mortgage Back Security Creators ( Obfuscate what is in the security ) 4. Ratings Agencies ( Not being honest that step 3 happened ) 5. Sellers of MBS ( Not being honest that steps 1-4 exist )
I don't know enough about crypto to list out all the layers but I'm pretty sure I understand the first step:
1. Claim that underlying technology will be revolutionary just like the internet in a vague way that cannot be validated.