Looks like ponzi successfully completed.
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genesis-mining.com 1+2+7 => 3/7 = Probably legit.
PBmining.com 1+2+3+4+5+6+7 => 7/7 = Ponzi
Lunaminer.com 1+2+3+4+5+6+7 => 7/7 = Ponzi
coinsoncloud.eu 1+2+3+4+5+6+7 => 7/7 = Ponzi
Cryptomine.io 1+2+3+4+5+6+7 => 7/7 = Ponzi
hashie.co 1+2+3+4+5+6+7 => 7/7 = Ponzi
bitcoinlabmining.com 1+2+3+4+5+6+7 => 7/7 = Ponzi
ltcgear 1+2+3+4+5+6+7 => 7/7 = (very) suspicious
hashprofit.com 1+2+3+4+5+6+7 => 7/7 = Ponzi
minethatcloud.com 1+2+3+4+5+6+7 => 7/7 = Ponzi
CoIntellect.com 1+2+3+4+5+6+7 => 7/7 = Ponzi
terabox.me 1+2+3*+4+5+6+7* => 7*/7 = Ponzi (pictures are not at all convincing, exit strategy involves 60+ days stall tactic)
chabatmining.com 1+2+3+4+5+6+7 => 7/7 = Ponzi
Ecrypto.co.in 1+2+3+4+5+6+7 => 7/7 = Ponzi (+ confirmed scam, they are no partners of cex.io)
GenerateBTC.com 1+2+3+4+5+6+7 => 7/7 = Ponzi
cloudminr.io 1+2+3+4+5+6+7 => 7/7 = Ponzi
grmining.com 1+2+3+4+5+6+7 => 7/7 = Ponzi
hashwar.co 1+2+3+4+5+6+7+8 => 7/7 = Ponzi
bitrush.com 1+2+3+4+5+6+7 => 7/7 = Ponzi
scrypt.cc 1+2+3+4+5+6+7+8 => 7/7 = Ponzi
Kryptologika 1+2+3+4+5+6+7 => 7/7 = Ponzi
Cryptsy MN 1+2+3+4+5+6+7 => 7/7 = Ponzi ( + no details on fee structure) (withdrawl problems noticed!)
Coolhash.com 1+2+3+4+5+6+7 => 7/7 = Ponzi (+ possible malware/wallet stealing software)
Bitminr.com 1+2+3+4+5+6+7 => 7/7 = Ponzi (+ possible malware/wallet stealing software)
MineProfit.com 1+2+3+4+5+6+7 => 7/7 = Ponzi (+ possible malware/wallet stealing software)
SpecialMiner.com 1+2+3+4+5+6+7 => 7/7 = Ponzi (+ possible malware/wallet stealing software)
cloudmining.website 1+2+3+4+5+6+7 => 7/7 = Ponzi
Skycoinlab.com 1+2+3+4+5+6+7 => 7/7 = Ponzi (+ organized by serial ponzi scammer: ?topic=583177.msg10298730)
btcslice.com 1+2+3+4+5+6+7 => 7/7 = Ponzi (+ pays out in reversible paypal ?)
bitcoinmaker.ch 1+2+3+4+6+7+8 => 7/7 = Ponzi
eobot.com 1+2+3+5+6+7 => 6/7 = Ponzi (+ possible malware/wallet stealing software)
nexusmining.com 1+2*+3+4+5+7 => 6/7 = Ponzi (Guy from Spondoolies says im wrong, but I can't score what I haven't seen and he seems to confirm they have no hardware)
minerslab.com 1+2+3+4+6+7 => 6/7 = Ponzi (+ selling hardware that doesnt exist + using purchased "legendary" account)
bitcoincloudservices 1+2+4+5+6*+7 => 6/7 = Ponzi (+ founded by known scammer https://bitcointalk.org/index.php?topic=860400.msg9638868#msg9638868)
cloudmining.sg 1+2+4+6+7 => 5/7 = Ponzi (Founder's LinkedIn account deleted, Uses Weebly's free checkout platform)
hashcoins.com
and hashflare.io ~1+2+3+4+7 => 5/7 = (very) suspicious (user selectable pool requires fee, dc pictures show no miners, linkedin profile doctored, hardware sales very dubious,..) (*now owned by hashflare.io)
Zeushash 1+2+3+4+5 => 5/7 = (very) suspicious
pow88.com 1+2+5 => 3/7 = Probably legit (preliminary assessment) (Suspicious referral bonus : 1% hourly !!!)
genesis-mining.com 1+2+7 => 3/7 = Probably legit.
Bit-x.com 1+4 => 2/7 = Probably legit (preliminary assessment, partnership confirmed by Bitfury)
haobtc.com 1+2 => 2/7 = Probably Legit (investment based cloudmining company => https://bitcointalk.org/index.php?topic=1023187.0)
bw.com => 0/7 = Legit
Hashnest => 0/7 = Legit
AMhash => 0/7 = Legit
KNCcloud 7 => 1/7 = Legit
Cex.io 4 => 1/7 = Legit
Cryptx PETAmine => 0/7 = Legit
Megamine.com 1+4 => 2/7 = Probably legit
GAWminers 1+4+5+~7 => 4/7*= Possibly/partially legit based on criteria set forth. Based on wider context: more suspicious than a nun squatting in a cucumber field