rewards

after each round, users with the highest points are rewarded

rank	reward
1	500,000 REDI (NFT)
2	300,000 REDI (NFT)
3	200,000 REDI (NFT)
4 ~ 10	50,000 REDI (NFT)
11 ~ 30	30,000 REDI (NFT)
31 ~ 60	10,000 REDI (NFT)
61 ~ 80	rare random box (3)
81 ~ 100	normal random box (5)