Before revision:  Our main results are that (i) autocatalytic sets are highly likely to emerge , even for very small reaction networks and short RNA sequences, and (ii) molecular diversity seems to be a more important factor in the formation of autocatalytic sets than molecular complexity .
After revision:  Our main results are that (i) autocatalytic sets are highly likely to emerge , even for very small reaction networks and short RNA sequences, and (ii) sequence diversity seems to be a more important factor in the formation of autocatalytic sets than molecular complexity .