offers through registries not being honored

I've had three deals on Dan.com fall through - two with the same buyer (shame on me) - except the second time it was an offer made through the Dan system and paid for in escrow - so they're chasing him down. I am wondering what, if any, the penalty for these offenders is. I will pose the same...

I've had three deals on Dan.com fall through - two with the same buyer (shame on me) - except the second time it was an offer made through the Dan system and paid for in escrow - so they're chasing him down. I am wondering what, if any, the penalty for these offenders is. I will pose the same...