Ki points were a bit different. You started with 2 at first level, but it only went up roughly every third level. You also got an expertise dice, that started at 1d6 at 2nd level, up to 1d12 at 18th.
Unarmed attacks started at 1d6 damage. You also got the following features:
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Instead of having passive movement increases, you used a ki point to increase your movement by 15ft (step of the wind). Same with other standard current abilities like missile deflection and making your attacks magical. The original monk had you spend a ki point to do those. Most of the Way of the Elements abilities, you spend a ki point to either damage someone(s) by 1d10 points, or gain damage reduction by 1d10. 1d10 seemed to be the key die to use for many of those abilities.
Expertise is you choosing either Dex or Wisdom, and from that point forward, any ability check you have to make using that ability would add the expertise die