I think it's unfair that you can spoil other people's accounts in this way.
I am sure DireWolfM14 will remove the negative tag if there isn't enough evidence to prove that you are a scammer.
According to the screenshots, you first didn't want to work with that person until he sent you the $50. Once he did and you confirmed receiving the coins, what happened next? You told him to get ready and that's where the conversation ends. Are you claiming that the discussion shown in the screenshots is not between you and the OP at all?
Telegram is an awful platform to use for business. The fact that anyone can delete private conversations for both parties is proof of that.