Million dollar USDN lotteries

1 USDN = 1 lottery ticket. More tickets means a greater chance of winning.
Grand prize = 1 million USDN.
The lottery is held when 10 million USDN are entered into the drawing.
1 million USDN goes to the winner and 9 million USDN are swapped for SURF to be distributed as consolation prizes.
Start a new lottery with the same rules after the lottery ends. Keep taking millions of USDN out of circulation. Repeat until the problem is solved.