halves of 5% after 100,000 blocks= 9,5 per block
halves of 5% after 300,000 blocks= 9,02 per block
halves of 5% after 500,000 blocks=8,56 per block
halves of 5% after 1,000,000 blocks=8,13
halves of 5% after 1,500,000 blocks=7,72
halves of 5% after 2,500,000 blocks=7,33
halves of 10% after 3,800,000 blocks=6,59
stop halves.