How do you use gold diamond coins?

What is Golden Diamond Coin used for???\Godslayer #Swordsman @_@ No Mercy (30830) VIP. Prison\Inbox (New 13). Outbox. Friends (13)\.Blacklist. Detailed info\[Gold Coins]: 10,067,348 gold coin records. Bank. I want coins\[Golden Diamond Coins]: 173,453,640 pieces. Exchange\[VIP Coins]: 0 points. Exchange. Recharge\[Attributes]: Knowledge: 3,481 points/Charm: 26,170 points/Stamina: 654,140 points\[Level]: Level 5 (Sergeant) Total Points: 1,067,313\[Tribe]: You don't have a tribe yet\[Blog]: My U-disk. Visits. Messages. Content. Follows\[Related]: Posts (41). Replies (176)\.Articles (0). Comments (0). Diary (0)\[Applications]: Album. Marriage. Diary\.Accounting. Phonebook. Favorites\[Management]: Check-in. Edit. Avatar\.Profile. Help\[Member]: Online. All. Search\.Change Type. Recommended to register\[Visitors]: Mad God Caesar, Smoke and Rain Over the World, ╰☆ Seven Domains〆ぷ″BrokenˊEr, Xiao, Cang, Defying God @ Defying God Temple recruiting\[Signature]: Add me on QQ 1099939153 for cracked games, everyone please remember me,,,Swordsman,,,Edit\[Security]: ID code. Auto login. Safe logout\~-~-~-~-~-~-~