I understand your worry as recently I was in a very similar situation. One of my moles became crusty and few days later it started bleeding. I started googling and almost all articles would say that if you have a bleeding mole it is melanoma. My gp gave me a referral to a dermatologist. I got my mole removed and it was sent for biopsy. I had to wait one month for the results. During this time I was feeling very anxious as I was almost certain that is going to be smth bad. I was really relieved to find out that results came back normal. Just wanted to share this story with you. I wish I didn't worry as much as this whole anxiety deteriorated my overall health.  I would still advise you to check your mole just to be on the safe side but do not panic as this anxiety can make  more harm to you than any physical issue you may or may not have.