Read this
https://news.russia.postsen.com/business/183147.html
"Separately, the exchange team shared a list of the most common reasons for blocking accounts:
communication with a scammer;
potential association with a sanctioned person or entity, residence or travel to a sanctioned jurisdiction;
violation of the Platform Terms of Use;
incomplete provision of documents for the purposes KYC or AML;
established connection of assets with hacking or fraud;
suspicion that you are a hacker or other malicious user;
blocking at the request of law enforcement agencies."
You can be blocked for any reason and not allowed to dispose of funds for a long time.