Binance customers withdrew more than $4.6 billion from the cryptocurrency exchange after it suffered what security experts said was the largest digital coin theft ever.

In a post on social media, Binance said customers also deposited just over $1 billion after the company allowed people to resume transactions on Sunday for Bitcoin, Ethereum and other cryptocurrencies, resulting in a net outflow of $3.64 billion. 

Binance, the world’s largest cryptocurrency exchange with more than 300 million users, said the value of crypto holdings being withdrawn represents just 2.1% of its $171 billion in total assets.

“Our top priority right now is to ensure the environment is secure, after which users can withdraw their funds, and Binance…