I sent my coins to an exchange, and it hasn't arrived yet. Rob February 08, 2018 02:45 Updated Follow You will need to contact your exchange's support team to find out what has happened to your coins. Related articles What exchanges can I use? Why are you not on the _____ exchange? I forgot to include the Payment ID with my transfer. I forgot to include the payment id with my transaction. How to cancel an order Comments 0 comments Article is closed for comments.