He worried the same problem happened again because he considered as a whale player while Rollbit always checks withdrawals over 10BTC
Casinos usually check the first withdrawal or big withdrawal of their customer. Their FAQs and ToS often have points abiut that too.
They manually check and approve big withdrawals to make sure such withdrawals are not from big wins by cheating or anything relates to money laundering.
FAQ
- Are crypto deposits and withdrawals instant?
Crypto withdrawals are sent out instantly. In rare cases, a withdrawal can be held for review but our team completes these reviews very quickly.