VALUEBUX closed , is it scam ?

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i used valuebux for a month accumulated over 2 dollars now suddenly from day b4 yesterday i see a site called ptcsense.com is displayed i thought may be the it changed the name and tried to log in but yet not useful i think am again :( screwed by another site guys i need ur help to give ur experience and information if u have something really reliable one more question , did it ever pay u b4 , i heard it paid some of them , pls post something useful happy myLotting