There are also clear guidelines about how the welcome bonus operates. https://mkbible.net/%ec%b5%9c%ec%a0%81%ec%9d%98-%ed%8c%8c%ec%9b%8c%eb%b3%bc%eb%b0%b0%ed%8c%85%ec%a0%84%eb%9e%b5-%ec%8a%b9%eb%a5%a0%ec%9d%84-%eb%86%92%ec%9d%b4%eb%8a%94-%ed%8c%81%ea%b3%bc-%eb%b0%a9%eb%b2%95/
