They're having maintenance untill 2-3PM euro time or so they announced on their twitter. Been like that for ~5 hours already.
@binance_2017 5 hours ago A system maintenance is in progress, some users may experience a temporary decrease in exchange performance while this in underway.Thank you for your understanding.
https://twitter.com/binance_2017/status/961397899241254914@cz_binance 4 hours ago We experienced a server issue on our replica database cluster, causing some data to be out of sync. Need to fully resync from master. Due the size of the data, it will take several hours. No data is lost. We appreciate your understanding and support.
https://twitter.com/cz_binance/status/961429082310258688@cz_binance 2 hours ago Still waiting on data copy, it will take a while, another 10 hrs at the current estimate. Due to the unexpected length of time, we will allow 30 mins for people to withdraw orders before trading resumes when system is back.
https://twitter.com/cz_binance/status/961461370834206720cz_binance 2 hours ago sorry guys, not something we want either. We didn't have a choice, other than trying to fix it as soon as possible for our users. One of our team literally threw up after the calculation arrived at 10 hours.
https://twitter.com/cz_binance/status/961467232394952704