You can get a list of all available commands:
/help
To tip another player type:
/tip <username> <amount in BTC>
Example: /tip tiCeR 0.1
To talk private to another player type:
/w <username> <message>
Example: /w tiCeR hello.
or
/pm <username> <message>
Example: /pm tiCeR hello.
To reply to your last private message type:
/r <message>
Example: /r message.
To send a message to all mods that are online type:
/mods <message>
Example: /mods There is a team on faucet playground
To ignore a user in the chat type:
/ignore <username>
Example: /ignore tiCeR
To check if a user is online type:
/online <username>
Example: /online tiCeR
To reconnect to the chat type:
/reconnect
/help
To tip another player type:
/tip <username> <amount in BTC>
Example: /tip tiCeR 0.1
To talk private to another player type:
/w <username> <message>
Example: /w tiCeR hello.
or
/pm <username> <message>
Example: /pm tiCeR hello.
To reply to your last private message type:
/r <message>
Example: /r message.
To send a message to all mods that are online type:
/mods <message>
Example: /mods There is a team on faucet playground
To ignore a user in the chat type:
/ignore <username>
Example: /ignore tiCeR
To check if a user is online type:
/online <username>
Example: /online tiCeR
To reconnect to the chat type:
/reconnect