Ok maybe might be legit. The point is that only because the price at
pbmining.com is lower than the one at
CEX.IO doesnt make it impossible that
pbmining.com is legit.
Maybe they really have some connections to a big mining pool which allows them to offer good deals.
So far every sheduled payment came on time.
I have experienced both CEX & PBMining ...previously i invested in cex and never knowing their structure of Maintenance fees...i mined there for almost 3-4 months and later i realized most of 30-40% of my mining profits were taken in form of fees...
for which i blame myself for being so naive in first place for investing without understanding.
But now i have moved my investments to PBmining and i see the payouts are given weekly on time as committed in contracts...since i felt i'm getting double hashrate at the same price @CEX .
Having said above..please understand that every site does involve some risk...and i haven't seen any site (mining/markets) without risk...please use ur judgement to evaluate them and think twice before investing..
Future will tell if a site is offering Ponzi scheme or a trading market will file for bankruptcy