Hey Phoebe, I started paying a regular via bank account, occasional payid. She got a boyfriend, he became jealous and then one night I get a gazillion text messages. He had stalked me, tracked me via banking transactions. He threatened to tell my family and turn up at my workplace...
I like your idea of 100% private
This is one of the many reasons why the powers to be in Canberra want a cashless society, buddy you need to punt like a ghost, and also be an escort like a ghost too.