e>paperList</cite> created in <cite>CommercialPaperContext</cite> is available to the
issue transaction. See how <cite>paperList</cite> is similarly used by the <strong>redeem</strong> and
<strong>buy</strong> transactions; <cite>ctx</cite> makes the smart contracts efficient and easy to
reason about.</p>
<p>You can also see that there’s another element in the context – <cite>ctx.stub</cite> –
which was not explictly added by <cite>CommercialPaperContext</cite>. That’s because <cite>stub</cite>
and 