Hello, do you think that someone could help with the development of COIN? ... I layed the total number of coins ... 10 million of the 10 million will be 60% premine and the rest should benefit 5 years ... how much time will block time and block reward? .. Eventually. how do I calculate it ... thanks in advance 
first you need to decide the block time and then calculate total number of approximate blocks will generated in 5 years time period and then divide the coins left for mining after premine with the total number of blocks that you calculated using above guide and you will get block rewards