LONDON, Dec 13 Reuters Binance has registered 1.9 billion of withdrawals in the past 24 hours, blockchain data firm Nansen said on Tuesday, as the world39;s biggest crypto exchange said it had temporarily paused withdrawals of the USDC stablecoin.

How crypto exchanges such as Binance and its nowbankrupt former rival FTX handle customer deposits is under close scrutiny from users and regulators. FTX founder Sam BankmanFried was charged by the U.S. Securities and Exchange Commission on Tuesday with defrauding investors.

Binance, whose dominance of crypto was cemented by the fall of FTX, last week tweeted a socalled proofofreserves report by audit firm Mazars. The report showed its holdings of bitcoin exceeded customer deposits on a single day in November.

The 1.9 billion of withdrawals of tokens based on the ethereum blockchain mark the largest daily outflow over a 24hour period since June 13, the Nansen data showed, and accounted for the majority of the funds being pulled in the last seven days.

Binance39;s withdrawals are increasing due to the growing uncertainty about its reserves report, a Nansen spokesperson said.

The withdrawals were business as usual, Binance CEO Changpeng Zhao tweeted. We saw some withdrawals today net 1.14b ish. We have seen this before. Some days we have net withdrawals; some days we have net deposits.

A Binance spokesperson earlier said it always had more than enough funds to meet withdrawal requests. User assets at Binance are all backed…