Currently, about implementation of green energy proceeded implemented in countries all over the world, expand business focusing on hydroelectric power generation, our biggest advantage. Most small hydroelectric generation don't produce hazardous material and it is the most friendly way of power generation to environment among other green energies (solar power, wind power, geothermal energy, biomass), and it is the business playing important role to regional economy. Expand business that can expect very steady profits acquired by electricity trading by hydroelectric power generation and clean crypto currency mining that is most friendly to global environment with high revenue that almost take electricity charges. For further dissemination of green energy market, we sell "WAT coin", the unique currency of my company in ICO (Initial Coin Offering). 11.00% of maximum interest (value of retaining rights) and speculative opportunity acquired after listed on the exchange can be distributed to owner of WAT coin due to percentage of number owned of coin.