Guess next hash of a block code string of the last one char is Odd or Even,
When got the target block, guess players according to the proportion of coin split all the players input tokens.
If no one guessed it will burn all input tokens.

Guess next hash of a block code string of the last one char is Big or Small,
When got the target block, guess players according to the proportion of coin split all the players input tokens.
If no one guessed it will burn all input tokens.

Player send coin and randomly select a future block hash code 64 characters of six characters,
When got the target block, selected six characters of digital value the biggest player to win all players bet tokens.

Guess next hash of a block code string of the last n bits (by the promoters set),
When got the target block, if have guessed, according to the proportion of coin split the prize pool,
If no one guessed prize pool of automatic accumulation to the next round of the guessing.

Player send tokens to forecast real life a certain event results,
Such as forecast Donald Trump will win the 2016 U.S. presidential election,
The Winners according to the proportion of tokens split all the players input tokens, if no one guess then burn all guesser tokens.