по поводу контрактов, вот что нашел!
Miners Type ： PH1609
Unit : GHS
Output per day : 0.00001060 BTC/DAY*GHS
Fee per hour : 0.00000 CNY/GHS
Mining efficiency : 100 %
Description : PH1609 is no fee and can sell or buy hash contract, the price of the PH1609 already include electricity fee and maintenance fee. Hash seller pay for the income according the internet theoretical income, Hash buyer gain income according to the internet theoretical income. There are no electricity fee and other fees, the price of the PH1609 decide by the market.
Fee per hour: 0
The income formula: hash power income every hour = owned hash power
income period: paid every hour after purchase
Selling time: 2015-03-01 24PM
Contract period: 18 months
Contract End Date: 2016-09-01 24PM, the PH1609 will be terminated by the price of 0 and no income anymore under shelves
