In any proceedings against a person for a contravention of Rule CRA-13.5.1 in relation to a purchase or sale of securities that did not involve a change in the beneficial ownership of those accepted crypto-assets, it is a defence if the defendant establishes that the purpose or purposes for which he purchased or sold the accepted crypto-assets was not, or did not include, the purpose of creating a false or misleading appearance with respect to the market for, or the price of, accepted crypto-assets.