To send coins use the chat command "/send [steam64id] [amount]".
For example, to send 500 coins to steam64id 76561198210260209 you'd type "/send 76561198210260209 500".
Alternatively right click the person's avatar in chat and select "Send coins".
To find your steam64id you can use sites like steamid.io
Coins are obtained by depositing CS:GO skins. If you've used up the free 500 coins you'll need to make a deposit to get more.
DO NOT contact support asking for coins.To generate your own referral code please visit the affiliates page located here.
These errors come from Steam and typically indicate an issue with the player, not the bots. They may also be caused by Steam servers being down.
Ensure your account is able to trade and the item you're trading is not trade banned.
If you're receiving (26) when attempting to deposit this typically indicates your inventory is out of date. Hit "force reload" to refresh your inventory and try again.
If you're receiving (15) when attempting to deposit this may indicate the bot you were matched with has a full inventory - try again and you should be matched with a new bot.