Because the difficulty of the calculation increases as more are mined, therefore to mine the remaining Bitcoins it will cost a ridiculously ludicrous amount of

Because the difficulty of the calculation increases as more are mined, therefore to mine the remaining Bitcoins it will cost a ridiculously ludicrous amount of resources (i.e. electricity for the processing power). So: game-over for all the small players since a while back. Further details in these articles: http://www.coindesk.com/microscope-economic-environmental-costs-bitcoin-mining/ http://www.coindesk.com/microscope-economic-environmental-co... http://qz.com/316898/the-gold-rush-days-of-bitcoin-mining-are-over-and-not-because-of-the-price/ http://qz.com/316898/the-gold-rush-days-of-bitcoin-mining-ar...