Douyin Express itself does not provide Douyin coin trading function. Douyin coins are virtual currency on the Douyin platform, mainly used to purchase virtual goods or reward anchors, etc. If you want to sell Douyin coins, you can consider the following methods: Selling on the Douyin platform: You can post information about selling Douyin coins on the Douyin platform and look for buyers. It should be noted that this kind of transaction requires trust between both parties to ensure the security of the transaction. Selling on a third-party platform: You can post information about selling Douyin coins on some third-party platforms. These platforms will have corresponding trading rules and safeguards to ensure the security of the transaction. It should be noted that the sale of Douyin coins needs to comply with the rules and laws and regulations of the Douyin platform to ensure the legality and security of the transaction.