PCHNet utilizes Anope IRC Services (www.anope.org).

NickServ - Register your nickname on PCHNet so no one else can use it when you're offline (or on) and can hold on to your personal settings.

ChanServ - Register your chatroom (channel) and add staff (operators) as well as perform multiple other tasks.

MemoServ - Send private messages to offline (or online) users for them to read via this service.

BotServ - Allows a services bot to be in your channel and use multiple commands (ie: !kb nickhere <-- Kickbans a user from your channel).

More information on all these services can be found via /msg nickserv help, /msg chanserv help, etc on PCHNet.