I'd add crypto loans here, because it seems bizarre to me - loans imply giving someone a lot of personal data which is simply against crypto ideals.
Crypto loans work but only when the borrower can escrow something of equal value.
For years people have been using bitcointalk crypto loans to gamble or trade when they knew they'd get money from their campaign in a week or two but needed some coins at hand fast and couldn't wait for the payment.
Real estate scams are very easy to verify because these scammers can't make photos themselves and often use stock ones that can be reverse googled.