This feature is for single stock items only. The first few users that tap on the “mine” feature have the chance to purchase the product. The sale post is automatically sent to the first user who taps the mine button. If the transaction is cancelled by the user, the sale post is now sent to the second miner.
As a buyer
The first few users to tap on the mine button will be in line to purchase the product. First priority goes to the first user to press mine. If the first miner cancels, the second miner has a chance to purchase the item.