Common chat answers

For PM: People icon > Public (or friend list) > Search name > Doubleclick name

Adding friends: People icon > Public (or friend list) > Search name > + icon

Ignoring: People icon > Public (or friend list) > Search name > Block sign (don't forget to report if spamming)

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Seeing binder: Trade > New Private Trade > TYPE in name > Public tab (stops lag from list being loaded this way)

Don't forget to uncheck 'Like for Like' trading at your portion and diable "Show Cards I Want".

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I have the answers for you at ptcgo.wikia.com :)