It is now (since 2012) illegal in spain for firms to carry out cash transactions larger than 2500 euros. Which means any larger amounts need to be routed through means of payment leaving a paper trail.

This doesn't mean that there won't be fraud, but now it will literally have to involve payments 'on the side'.

I distribute. You re-distribute. He gives your hard-earned money to lazy scroungers. -- JakeS