i thought that BCH will be tripled after fork, so last question was about official chain developer announcement i.e. how technically this fork was planned
I think there is difference from "no existing" and "useless". In this situation, BCH become "no existing". There is no hashrate on BCH blockchain and acctually it has been eliminated. And I don't know why you want the useless coins? For keepsake?
to get some knowledge may help you too
actually the original cryptocurrency (now known as bitcoin ABC) will remain in place and continue to follow its previous protocols