Yep, the size of the base prize has decreased for the second time in the last few days, and it's not surprising because BTC has become too volatile. I guess BTC may continue to rise by the end of this month, and that means now is the right time to place bets on the freebitcoin site. I would prefer to place a bet in the range of $27,5k to $30k, although it looks like many users think otherwise because there are most of the bets placed in the range of $22,5k to $25k as well as in the range of $20k to $22,5k.