刮刮樂是一種小卡片，卡片上有灰色塗層，用來隱藏密碼等一些不方便直接顯示的資訊，灰色塗層刮開後就能顯示密碼。彩票、儲值卡等發行形式通常為刮刮樂。[1]
 | 此條目可參照英語維基百科相應條目來擴充。 (2021年5月11日) |
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