Having raised the funds at launch on Binance Smart Chain in October, the operator fled with users' cryptocurrency "within an hour," Binance said.
The Winklevoss-founded exchange said all listed cryptocurrencies can be purchased and traded with euros.
DBS is planning to launch an exchange for trading bitcoin and other cryptocurrencies, the bank told CoinDesk.
The exchange is making it simpler to pay for cryptocurrency with Visa and Mastercard with a direct service through a regulated subsidiary.
CME has risen to second place in terms of bitcoin futures open interest, passing Binance and BitMEX.
The exchange had shuttered its Japanese services after Coincheck's $530 million hack in 2018 spooked regulators and prompted a crackdown.
Accounts will cease to be accessible sometime in late November, the exchange said.
The new policy means user funds are protected both on- and offline.
The OKEx drama shows just how immature crypto markets are compared to traditional ones, but it also highlights their overall resilience.
On Friday morning as the OKEx withdrawal-freeze story twisted and turned, CoinDesk's editors had an off-the-cuff discussion about the fundamental realities and unique challenges of security for even the largest exchanges.
Mt. Gox's rehabilitation plan deadline of Oct. 15 has been extended yet again this time to December.
OKEx has denied the ongoing investigation of its founder is related to an anti-money laundering investigation.
Caixin sources said Mingxing "Star" Xu had been taken by police at least a week ago and hasn't been seen since.
DeFi is booming in China, with startups adapting and building on popular western projects within the nation's active crypto economy.
BitMEX, the cryptocurrency derivatives exchange recently charged by U.S. authorities for offering illegal trading services, has hired a compliance veteran.