The promotion has already started on November 23rd and continues until December 25th. The hashpower needs to be provided continuously for 30 days or more. At the same time, miners can’t switch to different pools.
— ViaBTC (@ViaBTC) 22 ноября 2017 г.
Gifts contains Bluetooth speakers, an iPhone 8, an iPhone X, and Macbook laptops and others. Those who successfully contribute between 7 and 8 petahash will be eligible for the iPhone X giveaway. However, it is more likely that anyone who contributes less than 1 petahash per second will not receive anything.The users who can successfully contribute more than 1 petahach or even more will certainly get rewarded.
Furthermore, the winners may not receive the actual goods, depending on supply issues and locations. Overseas miners will receive gift cards with the item value instead.