Question: how do scrap.tf raffles work?
Answer: Tips can be given by going to a raffle created by the user and clicking the 'Tip User' button. In order to give users tips, you must either earn them from raffles or buy them. Tips are exchanged at a rate of 1 Scrap for 1 Tip. When you have earned tips, you can redeem them at the same 1 Scrap for 1 Tip rate.