The Lottery terminal will print a ticket which is your proof of purchase and entry into the draw. https://artisticnews.art.blog/2024/11/04/%eb%a1%9c%eb%98%90%eb%b2%88%ed%98%b8-%ec%9e%90%eb%8f%99%ec%83%9d%ec%84%b1%ea%b8%b0-%ec%82%ac%ec%9a%a9%eb%b2%95-%ec%9a%b4%ec%9d%84-%eb%81%8c%ec%96%b4%eb%8b%b9%ea%b8%b0%eb%8a%94-%ec%8a%a4%eb%a7%88/