The entire paper is about transactions occurring on the Blockchain.
...Maybe we ought to admit that there are intricacies about Bitcoin that Satoshi had no possible ways to know about when he laid the groundwork? I believe nullc was quick to point out a couple of these to you on reddit the other day. Consider for example the 21 million limit which was not specified (and actually not even enforced in the original code).
Satoshi
does mention a limit to the number of coins:

Satoshi does NOT mention a block size limit AT ALL, regardless of what nullc says.
I see you've replied to the post I was going to quote but I'm gonna post it here regardless since it pretty much address in a succinct way all that is wrong with your recurring tendency to point to the white paper as some sort of holy scripture.
Bitcoin has evolved since the whitepaper was written. It gives a good introduction to the overall concepts, but the whitepaper gets many of the details wrong