"The paper stock certificate, which for many years provided proof you owned stock in a company, has all but disappeared. It has been replaced by electronic transaction records. Companies, clearinghouses and brokerages like electronic shares because stock transfers are fast and cheap."
https://pocketsense.com/can-issued-paper-stocks-3845.html
Quote:The only way to prove naked shorting is a problem is to have a certificate pull.
Innovation Pharmaceuticals Inc (IPIX) Stock Research Links