I have the same problem. My account has been blocked for withdrawal on this exchange. Support requires the return of coins. I was told that only in this case they will unblock the account. They explain this by the fact that due to the fact that they duplicated the transaction, which was carried out by me at the beginning of 2020, I must return this amount now. And the fact that they mistakenly sent to this address is the basis for binance to consider this address as mine, regardless of whether I have access to it or not.