Fraud and steeling is embedded in every single living thing DNA's code that exist on this planet. Some choose not to act on it while some choose to.
I've being stung a few times and there was nothing I could do. PayPal return the payment back to the con artists and I lost out.
The best you can do is cut, duck, dive and go through with fingers cross.
Stripe has 3 secure and it shows some critical info about each transaction that a site owner can use to analyse each transaction to see if it could be fraudulent.
You win some you loose some.
Keep at it.