Scott Simpson invokes confidentiality clause also cited by the Financial Markets Authority.
Relatives also formally record they were not involved in any alleged fraudulent conduct.
But the judge said Hwadro International’s case would need ‘significant repleading’.
The FMA issued a permanent stop order against against Wisdom House and Yuen Pok Loo last year.
Four account holders in the failed crypto exchange are pushing for action.
Prison department alleges misrepresentation, as well as Fair Trading Act and contractual warranty breaches for software services.
Liquidators David Ruscoe and Russell Moore estimate monthly costs of about $350,000.
Brewer has applied to have the case thrown out.
The person was last week found guilty of insider trading following a jury trial.
Law prohibits directors from accepting levels of risk 'permissible in other jurisdictions'.