| 摘要 |
<p>A tamper resistant lottery ticket (1) for preventing payoff of invalid tickets comprises a ticket body having a plurality of numerical symbols (10) formed on the ticket body and a game field (4) associated with each of said numerical symbols on the body. At least one winning symbol for the ticket is positioned in a game field (4) and associated with a numerical symbol. A scratch-off material (9) covers the game fields (4) to hide contents of the game fields (4) and therefore hide the at least one winning symbol. The scratch-off material (9) is removable by a lottery player to reveal the contents of a game field (4) when the game field (4) is chosen. A readable security code (3) is printed on the scratch-off material (9) of the game fields (4).</p> |
