# Trader Demo This code demonstrates four nodes, a notary, an issuer of cash (Bank of Corda), and two parties trading with each other, exchanging cash for a commercial paper. Please see the either the [online documentation](https://docs.corda.net/running-the-demos.html#trader-demo) for more info on the attachment demo, or the [included offline version](../../docs/build/html/running-the-demos.html#trader-demo).