The guy with the pot started with a seed and some sun.
The guy with the coin started with a CPU, code and some energy.
If you have extra of either, you might do a trade, but... why not just use a better coin?
Within the hypothetical, "jacknimble" transferred the ownership of a "coin" (jacknimble), not the "CPU, code and some energy" (NewLiberty) that facilitated its genesis.
Right, the sun water earth and seeds were not transferred either.
They're trading the produce, not the means of production.