They ask for a passport wherever they work in white, this is a requirement of the anti-money laundering regulator. I used to be afraid myself, but in https://spin-winera.net the data is stored under encryption, there have never been any leaks. Just cover up the series and number, if the rules allow, leave only the photo and full name. If the site does not ask for docks when withdrawing large amounts, this is a reason to strain, as they may be closed tomorrow for violating the laws. Data security here is at the level of a good bank.