Armanino, the auditor for FTX's US branch, defended its accounting work for the exchange.
"We were never engaged to audit internal controls," the company's chief operating officer told the FT.Armanino has stopped its auditing and proof of reserve work.
"We definitely stand by the FTX US work," Armanino chief operating officer Chris Carlberg told the Financial Times on Friday.
During a congressional hearing, Ray pointed to the fact that the multibillion-dollar crypto exchange used QuickBooks to manage its finances, and approved invoices via Slack.
Armanino and Prager Metis, the auditor of FTX International, are being sued by FTX customers.