Tell me about jackpot, I've read it in Whitepaper.
There are two jackpots: one time token sale jackpot that will be held right after the end of the
token sale, you can win up to 100 000 000 RAC, and operative jackpot, each time it's balance reach 100000 of RAC it's distributed to one winner.
All RAcoin users take part in JackPot automatically.