This document describes a betting system called SystemBet that uses Bitcoin. It allows users to bet on one of six daily options until placing two bets. Winnings are distributed 80% to the option with the fewest total bets and 20% to the second fewest. Odds are calculated based on total bets and payout. Users can earn 1% commissions from referrals' winnings if odds are over 2x. Minimum bets are 0.001 BTC and deposits 0.005 BTC.